./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea86972a210f89fc9e3e5afc5e01f00ca5c135dc207351adf2f98bafbd9a008a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:18:14,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:18:14,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:18:14,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:18:14,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:18:14,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:18:14,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:18:14,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:18:14,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:18:14,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:18:14,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:18:14,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:18:14,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:18:14,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:18:14,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:18:14,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:18:14,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:18:14,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:18:14,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:18:14,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:18:14,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:18:14,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:18:14,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:18:14,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:18:14,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:18:14,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:18:14,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:18:14,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:18:14,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:18:14,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:18:14,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:18:14,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:18:14,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:18:14,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:18:14,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:18:14,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:18:14,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:18:14,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:18:14,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:18:14,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:18:14,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:18:14,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 05:18:14,375 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:18:14,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:18:14,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:18:14,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:18:14,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:18:14,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:18:14,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:18:14,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:18:14,379 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:18:14,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:18:14,379 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:18:14,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:18:14,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:18:14,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:18:14,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:18:14,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:18:14,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:18:14,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:18:14,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:18:14,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:18:14,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:18:14,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:18:14,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:18:14,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:18:14,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:18:14,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:18:14,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:18:14,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:18:14,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:18:14,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:18:14,384 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:18:14,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:18:14,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:18:14,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:18:14,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea86972a210f89fc9e3e5afc5e01f00ca5c135dc207351adf2f98bafbd9a008a [2021-11-19 05:18:14,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:18:14,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:18:14,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:18:14,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:18:14,665 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:18:14,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2021-11-19 05:18:14,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/data/a901b89b0/685fffe2bc044d14b30939fb3da4a2dc/FLAG8fbde4daa [2021-11-19 05:18:15,694 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:18:15,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2021-11-19 05:18:15,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/data/a901b89b0/685fffe2bc044d14b30939fb3da4a2dc/FLAG8fbde4daa [2021-11-19 05:18:16,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/data/a901b89b0/685fffe2bc044d14b30939fb3da4a2dc [2021-11-19 05:18:16,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:18:16,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:18:16,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:18:16,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:18:16,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:18:16,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:16" (1/1) ... [2021-11-19 05:18:16,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284fca53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:16, skipping insertion in model container [2021-11-19 05:18:16,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:16" (1/1) ... [2021-11-19 05:18:16,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:18:16,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:18:18,123 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[147376,147389] [2021-11-19 05:18:18,422 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[216640,216653] [2021-11-19 05:18:18,619 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251269,251282] [2021-11-19 05:18:18,693 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[268618,268631] [2021-11-19 05:18:18,735 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[277293,277306] [2021-11-19 05:18:18,757 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[281602,281615] [2021-11-19 05:18:18,777 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[285742,285755] [2021-11-19 05:18:19,026 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[353833,353846] [2021-11-19 05:18:19,150 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[387694,387707] [2021-11-19 05:18:19,214 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[404802,404815] [2021-11-19 05:18:19,250 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[413481,413494] [2021-11-19 05:18:19,270 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[417791,417804] [2021-11-19 05:18:19,290 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[421932,421945] [2021-11-19 05:18:19,417 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[456014,456027] [2021-11-19 05:18:19,484 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[473125,473138] [2021-11-19 05:18:19,522 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[481792,481805] [2021-11-19 05:18:19,543 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[486086,486099] [2021-11-19 05:18:19,562 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[490211,490224] [2021-11-19 05:18:19,634 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[508509,508522] [2021-11-19 05:18:19,669 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[517152,517165] [2021-11-19 05:18:19,688 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[521446,521459] [2021-11-19 05:18:19,768 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[525571,525584] [2021-11-19 05:18:19,805 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[530444,530457] [2021-11-19 05:18:19,852 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[534605,534618] [2021-11-19 05:18:19,871 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[538899,538912] [2021-11-19 05:18:19,888 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[543024,543037] [2021-11-19 05:18:19,927 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[547518,547531] [2021-11-19 05:18:19,945 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[551659,551672] [2021-11-19 05:18:19,964 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[555964,555977] [2021-11-19 05:18:20,030 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:18:20,044 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:18:20,571 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[147376,147389] [2021-11-19 05:18:20,808 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[216640,216653] [2021-11-19 05:18:20,961 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251269,251282] [2021-11-19 05:18:21,020 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[268618,268631] [2021-11-19 05:18:21,049 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[277293,277306] [2021-11-19 05:18:21,064 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[281602,281615] [2021-11-19 05:18:21,080 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[285742,285755] [2021-11-19 05:18:21,299 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[353833,353846] [2021-11-19 05:18:21,411 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[387694,387707] [2021-11-19 05:18:21,476 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[404802,404815] [2021-11-19 05:18:21,512 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[413481,413494] [2021-11-19 05:18:21,529 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[417791,417804] [2021-11-19 05:18:21,546 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[421932,421945] [2021-11-19 05:18:21,676 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[456014,456027] [2021-11-19 05:18:21,744 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[473125,473138] [2021-11-19 05:18:21,779 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[481792,481805] [2021-11-19 05:18:21,798 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[486086,486099] [2021-11-19 05:18:21,817 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[490211,490224] [2021-11-19 05:18:21,893 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[508509,508522] [2021-11-19 05:18:21,926 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[517152,517165] [2021-11-19 05:18:21,944 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[521446,521459] [2021-11-19 05:18:21,962 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[525571,525584] [2021-11-19 05:18:21,984 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[530444,530457] [2021-11-19 05:18:22,001 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[534605,534618] [2021-11-19 05:18:22,019 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[538899,538912] [2021-11-19 05:18:22,036 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[543024,543037] [2021-11-19 05:18:22,054 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[547518,547531] [2021-11-19 05:18:22,075 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[551659,551672] [2021-11-19 05:18:22,096 WARN L230 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_9f196c48-1d25-4a65-8486-83e42b2657f5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[555964,555977] [2021-11-19 05:18:22,163 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:18:22,274 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:18:22,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22 WrapperNode [2021-11-19 05:18:22,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:18:22,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:18:22,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:18:22,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:18:22,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:22,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:22,748 INFO L137 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24436 [2021-11-19 05:18:22,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:18:22,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:18:22,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:18:22,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:18:22,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:22,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:22,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:22,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:22,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:23,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:23,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:23,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:18:23,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:18:23,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:18:23,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:18:23,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (1/1) ... [2021-11-19 05:18:23,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:18:23,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:18:23,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:18:23,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f196c48-1d25-4a65-8486-83e42b2657f5/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:18:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:18:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:18:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:18:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:18:24,186 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:18:24,188 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:18:35,687 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:18:35,746 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:18:35,747 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:18:35,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:35 BoogieIcfgContainer [2021-11-19 05:18:35,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:18:35,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:18:35,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:18:35,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:18:35,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:18:16" (1/3) ... [2021-11-19 05:18:35,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2b6bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:35, skipping insertion in model container [2021-11-19 05:18:35,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:22" (2/3) ... [2021-11-19 05:18:35,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2b6bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:35, skipping insertion in model container [2021-11-19 05:18:35,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:35" (3/3) ... [2021-11-19 05:18:35,772 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2021-11-19 05:18:35,782 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:18:35,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-19 05:18:35,881 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:18:35,889 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=PETRI_NET, 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 [2021-11-19 05:18:35,889 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-19 05:18:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 5023 states, 4993 states have (on average 1.8155417584618465) internal successors, (9065), 5022 states have internal predecessors, (9065), 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) [2021-11-19 05:18:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-19 05:18:36,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:18:36,088 INFO L514 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] [2021-11-19 05:18:36,089 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:18:36,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:36,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1176206024, now seen corresponding path program 1 times [2021-11-19 05:18:36,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:36,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102410991] [2021-11-19 05:18:36,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:36,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:36,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:36,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102410991] [2021-11-19 05:18:36,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102410991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:36,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:36,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:18:36,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125412601] [2021-11-19 05:18:36,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:36,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:18:36,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:36,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:18:36,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:18:36,836 INFO L87 Difference]: Start difference. First operand has 5023 states, 4993 states have (on average 1.8155417584618465) internal successors, (9065), 5022 states have internal predecessors, (9065), 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 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-19 05:18:40,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:18:40,983 INFO L93 Difference]: Finished difference Result 5555 states and 9914 transitions. [2021-11-19 05:18:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:18:40,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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 101 [2021-11-19 05:18:40,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:18:41,043 INFO L225 Difference]: With dead ends: 5555 [2021-11-19 05:18:41,044 INFO L226 Difference]: Without dead ends: 3084 [2021-11-19 05:18:41,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:18:41,071 INFO L933 BasicCegarLoop]: 2876 mSDtfsCounter, 16161 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2599 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16161 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 2716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:18:41,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16161 Valid, 2954 Invalid, 2716 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [117 Valid, 2599 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 05:18:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3084 states. [2021-11-19 05:18:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3084 to 3084. [2021-11-19 05:18:41,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 3055 states have (on average 1.3240589198036006) internal successors, (4045), 3083 states have internal predecessors, (4045), 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) [2021-11-19 05:18:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4045 transitions. [2021-11-19 05:18:41,289 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4045 transitions. Word has length 101 [2021-11-19 05:18:41,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:18:41,290 INFO L470 AbstractCegarLoop]: Abstraction has 3084 states and 4045 transitions. [2021-11-19 05:18:41,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-19 05:18:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4045 transitions. [2021-11-19 05:18:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-19 05:18:41,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:18:41,302 INFO L514 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] [2021-11-19 05:18:41,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:18:41,302 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:18:41,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:41,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2063346064, now seen corresponding path program 1 times [2021-11-19 05:18:41,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:41,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934787241] [2021-11-19 05:18:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:41,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:41,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:41,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934787241] [2021-11-19 05:18:41,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934787241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:41,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:41,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:18:41,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484806410] [2021-11-19 05:18:41,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:41,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:18:41,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:41,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:18:41,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:18:41,580 INFO L87 Difference]: Start difference. First operand 3084 states and 4045 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-19 05:18:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:18:44,877 INFO L93 Difference]: Finished difference Result 4279 states and 5660 transitions. [2021-11-19 05:18:44,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:18:44,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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 101 [2021-11-19 05:18:44,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:18:44,898 INFO L225 Difference]: With dead ends: 4279 [2021-11-19 05:18:44,899 INFO L226 Difference]: Without dead ends: 2828 [2021-11-19 05:18:44,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:18:44,910 INFO L933 BasicCegarLoop]: 1470 mSDtfsCounter, 10949 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2288 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10949 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 2517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 2288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:18:44,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10949 Valid, 1522 Invalid, 2517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 2288 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 05:18:44,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2021-11-19 05:18:45,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2021-11-19 05:18:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2799 states have (on average 1.3419078242229368) internal successors, (3756), 2827 states have internal predecessors, (3756), 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) [2021-11-19 05:18:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3756 transitions. [2021-11-19 05:18:45,061 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3756 transitions. Word has length 101 [2021-11-19 05:18:45,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:18:45,064 INFO L470 AbstractCegarLoop]: Abstraction has 2828 states and 3756 transitions. [2021-11-19 05:18:45,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-19 05:18:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3756 transitions. [2021-11-19 05:18:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-19 05:18:45,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:18:45,076 INFO L514 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] [2021-11-19 05:18:45,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:18:45,077 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:18:45,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:45,078 INFO L85 PathProgramCache]: Analyzing trace with hash -299686269, now seen corresponding path program 1 times [2021-11-19 05:18:45,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:45,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625942256] [2021-11-19 05:18:45,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:45,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:45,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:45,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625942256] [2021-11-19 05:18:45,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625942256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:45,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:45,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:18:45,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293680260] [2021-11-19 05:18:45,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:45,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:18:45,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:45,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:18:45,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:18:45,406 INFO L87 Difference]: Start difference. First operand 2828 states and 3756 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-19 05:18:49,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:18:49,029 INFO L93 Difference]: Finished difference Result 5057 states and 6783 transitions. [2021-11-19 05:18:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:18:49,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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 101 [2021-11-19 05:18:49,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:18:49,054 INFO L225 Difference]: With dead ends: 5057 [2021-11-19 05:18:49,054 INFO L226 Difference]: Without dead ends: 3618 [2021-11-19 05:18:49,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:18:49,060 INFO L933 BasicCegarLoop]: 1463 mSDtfsCounter, 12954 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12954 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 2825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:18:49,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12954 Valid, 2186 Invalid, 2825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 05:18:49,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2021-11-19 05:18:49,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3468. [2021-11-19 05:18:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3468 states, 3439 states have (on average 1.3858679848793254) internal successors, (4766), 3467 states have internal predecessors, (4766), 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) [2021-11-19 05:18:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3468 states to 3468 states and 4766 transitions. [2021-11-19 05:18:49,287 INFO L78 Accepts]: Start accepts. Automaton has 3468 states and 4766 transitions. Word has length 101 [2021-11-19 05:18:49,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:18:49,289 INFO L470 AbstractCegarLoop]: Abstraction has 3468 states and 4766 transitions. [2021-11-19 05:18:49,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-19 05:18:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3468 states and 4766 transitions. [2021-11-19 05:18:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-19 05:18:49,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:18:49,307 INFO L514 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] [2021-11-19 05:18:49,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:18:49,308 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:18:49,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:49,310 INFO L85 PathProgramCache]: Analyzing trace with hash 112654927, now seen corresponding path program 1 times [2021-11-19 05:18:49,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:49,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292935647] [2021-11-19 05:18:49,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:49,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:49,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:49,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292935647] [2021-11-19 05:18:49,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292935647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:49,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:49,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:18:49,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913145308] [2021-11-19 05:18:49,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:49,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:18:49,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:49,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:18:49,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:18:49,541 INFO L87 Difference]: Start difference. First operand 3468 states and 4766 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-19 05:18:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:18:51,394 INFO L93 Difference]: Finished difference Result 4451 states and 6118 transitions. [2021-11-19 05:18:51,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:18:51,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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 102 [2021-11-19 05:18:51,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:18:51,426 INFO L225 Difference]: With dead ends: 4451 [2021-11-19 05:18:51,426 INFO L226 Difference]: Without dead ends: 2694 [2021-11-19 05:18:51,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:18:51,435 INFO L933 BasicCegarLoop]: 1183 mSDtfsCounter, 7602 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7602 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:18:51,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7602 Valid, 1211 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:18:51,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2021-11-19 05:18:51,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2694. [2021-11-19 05:18:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 2665 states have (on average 1.4041275797373358) internal successors, (3742), 2693 states have internal predecessors, (3742), 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) [2021-11-19 05:18:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3742 transitions. [2021-11-19 05:18:51,630 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3742 transitions. Word has length 102 [2021-11-19 05:18:51,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:18:51,639 INFO L470 AbstractCegarLoop]: Abstraction has 2694 states and 3742 transitions. [2021-11-19 05:18:51,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-19 05:18:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3742 transitions. [2021-11-19 05:18:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-19 05:18:51,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:18:51,648 INFO L514 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] [2021-11-19 05:18:51,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:18:51,649 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:18:51,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:51,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1353221859, now seen corresponding path program 1 times [2021-11-19 05:18:51,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:51,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101036737] [2021-11-19 05:18:51,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:51,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:51,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:51,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101036737] [2021-11-19 05:18:51,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101036737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:51,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:51,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:18:51,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712691285] [2021-11-19 05:18:51,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:51,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:18:51,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:51,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:18:51,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:18:51,885 INFO L87 Difference]: Start difference. First operand 2694 states and 3742 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 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) [2021-11-19 05:18:53,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:18:53,431 INFO L93 Difference]: Finished difference Result 3892 states and 5415 transitions. [2021-11-19 05:18:53,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:18:53,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 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 [2021-11-19 05:18:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:18:53,447 INFO L225 Difference]: With dead ends: 3892 [2021-11-19 05:18:53,447 INFO L226 Difference]: Without dead ends: 2485 [2021-11-19 05:18:53,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:18:53,452 INFO L933 BasicCegarLoop]: 1128 mSDtfsCounter, 7040 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7040 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:18:53,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7040 Valid, 1140 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 05:18:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2021-11-19 05:18:53,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2021-11-19 05:18:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2456 states have (on average 1.416530944625407) internal successors, (3479), 2484 states have internal predecessors, (3479), 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) [2021-11-19 05:18:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3479 transitions. [2021-11-19 05:18:53,599 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3479 transitions. Word has length 103 [2021-11-19 05:18:53,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:18:53,599 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 3479 transitions. [2021-11-19 05:18:53,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 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) [2021-11-19 05:18:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3479 transitions. [2021-11-19 05:18:53,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-19 05:18:53,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:18:53,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:53,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:18:53,609 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:18:53,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:53,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1882555602, now seen corresponding path program 1 times [2021-11-19 05:18:53,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:53,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900390678] [2021-11-19 05:18:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:53,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:53,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:53,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900390678] [2021-11-19 05:18:53,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900390678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:53,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:53,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:18:53,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058800640] [2021-11-19 05:18:53,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:53,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:18:53,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:53,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:18:53,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:18:53,737 INFO L87 Difference]: Start difference. First operand 2485 states and 3479 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2021-11-19 05:18:55,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:18:55,086 INFO L93 Difference]: Finished difference Result 3587 states and 5018 transitions. [2021-11-19 05:18:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:18:55,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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 104 [2021-11-19 05:18:55,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:18:55,102 INFO L225 Difference]: With dead ends: 3587 [2021-11-19 05:18:55,103 INFO L226 Difference]: Without dead ends: 2286 [2021-11-19 05:18:55,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:18:55,108 INFO L933 BasicCegarLoop]: 1057 mSDtfsCounter, 6465 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6465 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:18:55,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6465 Valid, 1077 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-19 05:18:55,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2021-11-19 05:18:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2286. [2021-11-19 05:18:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 2257 states have (on average 1.4249003101462119) internal successors, (3216), 2285 states have internal predecessors, (3216), 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) [2021-11-19 05:18:55,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 3216 transitions. [2021-11-19 05:18:55,277 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 3216 transitions. Word has length 104 [2021-11-19 05:18:55,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:18:55,278 INFO L470 AbstractCegarLoop]: Abstraction has 2286 states and 3216 transitions. [2021-11-19 05:18:55,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2021-11-19 05:18:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 3216 transitions. [2021-11-19 05:18:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-19 05:18:55,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:18:55,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:55,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:18:55,287 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:18:55,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:55,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1331427909, now seen corresponding path program 1 times [2021-11-19 05:18:55,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:55,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919429997] [2021-11-19 05:18:55,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:55,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:55,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:55,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919429997] [2021-11-19 05:18:55,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919429997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:55,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:55,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:18:55,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175042877] [2021-11-19 05:18:55,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:55,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:18:55,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:55,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:18:55,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:18:55,480 INFO L87 Difference]: Start difference. First operand 2286 states and 3216 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 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) [2021-11-19 05:18:56,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:18:56,618 INFO L93 Difference]: Finished difference Result 2673 states and 3684 transitions. [2021-11-19 05:18:56,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:18:56,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 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 105 [2021-11-19 05:18:56,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:18:56,630 INFO L225 Difference]: With dead ends: 2673 [2021-11-19 05:18:56,630 INFO L226 Difference]: Without dead ends: 1556 [2021-11-19 05:18:56,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:18:56,634 INFO L933 BasicCegarLoop]: 720 mSDtfsCounter, 4230 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4230 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:18:56,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4230 Valid, 764 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-19 05:18:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2021-11-19 05:18:56,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1556. [2021-11-19 05:18:56,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.441388343156516) internal successors, (2201), 1555 states have internal predecessors, (2201), 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) [2021-11-19 05:18:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2201 transitions. [2021-11-19 05:18:56,766 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2201 transitions. Word has length 105 [2021-11-19 05:18:56,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:18:56,767 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2201 transitions. [2021-11-19 05:18:56,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 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) [2021-11-19 05:18:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2201 transitions. [2021-11-19 05:18:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 05:18:56,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:18:56,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:56,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 05:18:56,847 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:18:56,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:56,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1784080565, now seen corresponding path program 1 times [2021-11-19 05:18:56,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:56,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855507751] [2021-11-19 05:18:56,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:56,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:57,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:57,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855507751] [2021-11-19 05:18:57,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855507751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:57,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:57,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:18:57,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324065162] [2021-11-19 05:18:57,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:57,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:18:57,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:57,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:18:57,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:18:57,126 INFO L87 Difference]: Start difference. First operand 1556 states and 2201 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 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) [2021-11-19 05:18:59,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:18:59,978 INFO L93 Difference]: Finished difference Result 2956 states and 4219 transitions. [2021-11-19 05:18:59,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:18:59,979 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 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 106 [2021-11-19 05:18:59,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:18:59,996 INFO L225 Difference]: With dead ends: 2956 [2021-11-19 05:18:59,996 INFO L226 Difference]: Without dead ends: 2740 [2021-11-19 05:18:59,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:18:59,999 INFO L933 BasicCegarLoop]: 876 mSDtfsCounter, 6588 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6588 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 3220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:00,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6588 Valid, 3748 Invalid, 3220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 05:19:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2021-11-19 05:19:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2021-11-19 05:19:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4407334643091028) internal successors, (2200), 1555 states have internal predecessors, (2200), 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) [2021-11-19 05:19:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2200 transitions. [2021-11-19 05:19:00,149 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2200 transitions. Word has length 106 [2021-11-19 05:19:00,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:00,149 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2200 transitions. [2021-11-19 05:19:00,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 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) [2021-11-19 05:19:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2200 transitions. [2021-11-19 05:19:00,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 05:19:00,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:00,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:00,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 05:19:00,155 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:00,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash -93884374, now seen corresponding path program 1 times [2021-11-19 05:19:00,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:00,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312655322] [2021-11-19 05:19:00,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:00,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:00,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:00,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312655322] [2021-11-19 05:19:00,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312655322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:00,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:00,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:19:00,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583751808] [2021-11-19 05:19:00,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:00,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:19:00,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:00,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:19:00,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:19:00,412 INFO L87 Difference]: Start difference. First operand 1556 states and 2200 transitions. Second operand has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 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) [2021-11-19 05:19:03,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:03,330 INFO L93 Difference]: Finished difference Result 3029 states and 4316 transitions. [2021-11-19 05:19:03,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:19:03,339 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 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 106 [2021-11-19 05:19:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:03,352 INFO L225 Difference]: With dead ends: 3029 [2021-11-19 05:19:03,352 INFO L226 Difference]: Without dead ends: 2814 [2021-11-19 05:19:03,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2021-11-19 05:19:03,355 INFO L933 BasicCegarLoop]: 911 mSDtfsCounter, 4377 mSDsluCounter, 4378 mSDsCounter, 0 mSdLazyCounter, 4511 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4377 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:03,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4377 Valid, 5289 Invalid, 4560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4511 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 05:19:03,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2021-11-19 05:19:03,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 1563. [2021-11-19 05:19:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1534 states have (on average 1.4406779661016949) internal successors, (2210), 1562 states have internal predecessors, (2210), 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) [2021-11-19 05:19:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2210 transitions. [2021-11-19 05:19:03,477 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2210 transitions. Word has length 106 [2021-11-19 05:19:03,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:03,477 INFO L470 AbstractCegarLoop]: Abstraction has 1563 states and 2210 transitions. [2021-11-19 05:19:03,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 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) [2021-11-19 05:19:03,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2210 transitions. [2021-11-19 05:19:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 05:19:03,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:03,481 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:03,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 05:19:03,482 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:03,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:03,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1475113997, now seen corresponding path program 1 times [2021-11-19 05:19:03,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:03,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616770451] [2021-11-19 05:19:03,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:03,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:03,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:03,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616770451] [2021-11-19 05:19:03,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616770451] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:03,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:03,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:03,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481624357] [2021-11-19 05:19:03,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:03,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:03,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:03,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:03,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:03,675 INFO L87 Difference]: Start difference. First operand 1563 states and 2210 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 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) [2021-11-19 05:19:05,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:05,504 INFO L93 Difference]: Finished difference Result 2780 states and 3943 transitions. [2021-11-19 05:19:05,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:05,505 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 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 106 [2021-11-19 05:19:05,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:05,518 INFO L225 Difference]: With dead ends: 2780 [2021-11-19 05:19:05,518 INFO L226 Difference]: Without dead ends: 2396 [2021-11-19 05:19:05,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:05,521 INFO L933 BasicCegarLoop]: 857 mSDtfsCounter, 4699 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 2938 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 2960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:05,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4699 Valid, 3483 Invalid, 2960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2938 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 05:19:05,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2021-11-19 05:19:05,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 1556. [2021-11-19 05:19:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4400785854616895) internal successors, (2199), 1555 states have internal predecessors, (2199), 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) [2021-11-19 05:19:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2199 transitions. [2021-11-19 05:19:05,653 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2199 transitions. Word has length 106 [2021-11-19 05:19:05,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:05,654 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2199 transitions. [2021-11-19 05:19:05,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 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) [2021-11-19 05:19:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2199 transitions. [2021-11-19 05:19:05,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 05:19:05,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:05,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:05,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 05:19:05,659 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:05,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:05,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1447789183, now seen corresponding path program 1 times [2021-11-19 05:19:05,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:05,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673096479] [2021-11-19 05:19:05,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:05,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:05,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:05,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673096479] [2021-11-19 05:19:05,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673096479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:05,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:05,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 05:19:05,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250724851] [2021-11-19 05:19:05,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:05,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:19:05,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:05,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:19:05,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:19:05,887 INFO L87 Difference]: Start difference. First operand 1556 states and 2199 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 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) [2021-11-19 05:19:07,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:07,614 INFO L93 Difference]: Finished difference Result 2679 states and 3663 transitions. [2021-11-19 05:19:07,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:19:07,614 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 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 106 [2021-11-19 05:19:07,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:07,622 INFO L225 Difference]: With dead ends: 2679 [2021-11-19 05:19:07,622 INFO L226 Difference]: Without dead ends: 2015 [2021-11-19 05:19:07,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:19:07,625 INFO L933 BasicCegarLoop]: 650 mSDtfsCounter, 7476 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7476 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 2407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:07,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7476 Valid, 2091 Invalid, 2407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2268 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-19 05:19:07,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2021-11-19 05:19:07,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1556. [2021-11-19 05:19:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4394237066142763) internal successors, (2198), 1555 states have internal predecessors, (2198), 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) [2021-11-19 05:19:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2198 transitions. [2021-11-19 05:19:07,773 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2198 transitions. Word has length 106 [2021-11-19 05:19:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:07,774 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2198 transitions. [2021-11-19 05:19:07,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 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) [2021-11-19 05:19:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2198 transitions. [2021-11-19 05:19:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 05:19:07,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:07,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:07,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 05:19:07,779 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:07,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash 166479194, now seen corresponding path program 1 times [2021-11-19 05:19:07,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:07,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372078618] [2021-11-19 05:19:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:07,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:07,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:07,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372078618] [2021-11-19 05:19:07,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372078618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:07,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:07,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:07,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751661600] [2021-11-19 05:19:07,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:07,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:07,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:07,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:07,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:07,964 INFO L87 Difference]: Start difference. First operand 1556 states and 2198 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:10,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:10,128 INFO L93 Difference]: Finished difference Result 3135 states and 4478 transitions. [2021-11-19 05:19:10,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:10,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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 108 [2021-11-19 05:19:10,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:10,136 INFO L225 Difference]: With dead ends: 3135 [2021-11-19 05:19:10,136 INFO L226 Difference]: Without dead ends: 2767 [2021-11-19 05:19:10,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:19:10,139 INFO L933 BasicCegarLoop]: 1050 mSDtfsCounter, 7930 mSDsluCounter, 3345 mSDsCounter, 0 mSdLazyCounter, 3626 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7930 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:10,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7930 Valid, 4395 Invalid, 3671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3626 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:19:10,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2021-11-19 05:19:10,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2021-11-19 05:19:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4381139489194499) internal successors, (2196), 1555 states have internal predecessors, (2196), 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) [2021-11-19 05:19:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2196 transitions. [2021-11-19 05:19:10,259 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2196 transitions. Word has length 108 [2021-11-19 05:19:10,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:10,260 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2196 transitions. [2021-11-19 05:19:10,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2196 transitions. [2021-11-19 05:19:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 05:19:10,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:10,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:10,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 05:19:10,264 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:10,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:10,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1568327130, now seen corresponding path program 1 times [2021-11-19 05:19:10,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:10,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591204893] [2021-11-19 05:19:10,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:10,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:10,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:10,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591204893] [2021-11-19 05:19:10,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591204893] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:10,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:10,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:10,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218976231] [2021-11-19 05:19:10,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:10,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:10,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:10,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:10,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:10,422 INFO L87 Difference]: Start difference. First operand 1556 states and 2196 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:12,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:12,294 INFO L93 Difference]: Finished difference Result 3000 states and 4278 transitions. [2021-11-19 05:19:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:12,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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 108 [2021-11-19 05:19:12,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:12,299 INFO L225 Difference]: With dead ends: 3000 [2021-11-19 05:19:12,299 INFO L226 Difference]: Without dead ends: 2740 [2021-11-19 05:19:12,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:12,301 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 6908 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 3445 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6908 SdHoareTripleChecker+Valid, 4103 SdHoareTripleChecker+Invalid, 3512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:12,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6908 Valid, 4103 Invalid, 3512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3445 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 05:19:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2021-11-19 05:19:12,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2021-11-19 05:19:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4368041912246234) internal successors, (2194), 1555 states have internal predecessors, (2194), 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) [2021-11-19 05:19:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2194 transitions. [2021-11-19 05:19:12,414 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2194 transitions. Word has length 108 [2021-11-19 05:19:12,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:12,414 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2194 transitions. [2021-11-19 05:19:12,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2194 transitions. [2021-11-19 05:19:12,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 05:19:12,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:12,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:12,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 05:19:12,417 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:12,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:12,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2048480592, now seen corresponding path program 1 times [2021-11-19 05:19:12,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:12,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413876681] [2021-11-19 05:19:12,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:12,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:12,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:12,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:12,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413876681] [2021-11-19 05:19:12,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413876681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:12,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:12,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:12,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976676335] [2021-11-19 05:19:12,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:12,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:12,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:12,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:12,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:12,567 INFO L87 Difference]: Start difference. First operand 1556 states and 2194 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:14,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:14,038 INFO L93 Difference]: Finished difference Result 2463 states and 3501 transitions. [2021-11-19 05:19:14,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:19:14,039 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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 108 [2021-11-19 05:19:14,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:14,041 INFO L225 Difference]: With dead ends: 2463 [2021-11-19 05:19:14,041 INFO L226 Difference]: Without dead ends: 1813 [2021-11-19 05:19:14,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:19:14,044 INFO L933 BasicCegarLoop]: 881 mSDtfsCounter, 5079 mSDsluCounter, 2542 mSDsCounter, 0 mSdLazyCounter, 2863 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5079 SdHoareTripleChecker+Valid, 3423 SdHoareTripleChecker+Invalid, 2890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:14,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5079 Valid, 3423 Invalid, 2890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2863 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-19 05:19:14,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2021-11-19 05:19:14,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1556. [2021-11-19 05:19:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.435494433529797) internal successors, (2192), 1555 states have internal predecessors, (2192), 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) [2021-11-19 05:19:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2192 transitions. [2021-11-19 05:19:14,148 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2192 transitions. Word has length 108 [2021-11-19 05:19:14,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:14,149 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2192 transitions. [2021-11-19 05:19:14,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2192 transitions. [2021-11-19 05:19:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 05:19:14,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:14,152 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:14,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 05:19:14,153 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:14,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:14,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1899937595, now seen corresponding path program 1 times [2021-11-19 05:19:14,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:14,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966448128] [2021-11-19 05:19:14,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:14,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:14,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:14,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966448128] [2021-11-19 05:19:14,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966448128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:14,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:14,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:14,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932757560] [2021-11-19 05:19:14,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:14,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:14,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:14,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:14,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:14,300 INFO L87 Difference]: Start difference. First operand 1556 states and 2192 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:16,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:16,224 INFO L93 Difference]: Finished difference Result 2955 states and 4209 transitions. [2021-11-19 05:19:16,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:16,224 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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 108 [2021-11-19 05:19:16,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:16,229 INFO L225 Difference]: With dead ends: 2955 [2021-11-19 05:19:16,229 INFO L226 Difference]: Without dead ends: 2740 [2021-11-19 05:19:16,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:16,231 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 4015 mSDsluCounter, 3139 mSDsCounter, 0 mSdLazyCounter, 3441 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4015 SdHoareTripleChecker+Valid, 4099 SdHoareTripleChecker+Invalid, 3479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:16,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4015 Valid, 4099 Invalid, 3479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 3441 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 05:19:16,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2021-11-19 05:19:16,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2021-11-19 05:19:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4348395546823838) internal successors, (2191), 1555 states have internal predecessors, (2191), 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) [2021-11-19 05:19:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2191 transitions. [2021-11-19 05:19:16,389 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2191 transitions. Word has length 108 [2021-11-19 05:19:16,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:16,390 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2191 transitions. [2021-11-19 05:19:16,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:16,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2191 transitions. [2021-11-19 05:19:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 05:19:16,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:16,394 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:16,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-19 05:19:16,394 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:16,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:16,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1013800078, now seen corresponding path program 1 times [2021-11-19 05:19:16,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:16,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300664497] [2021-11-19 05:19:16,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:16,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:16,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:16,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300664497] [2021-11-19 05:19:16,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300664497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:16,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:16,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:16,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152402188] [2021-11-19 05:19:16,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:16,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:16,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:16,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:16,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:16,565 INFO L87 Difference]: Start difference. First operand 1556 states and 2191 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:18,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:18,893 INFO L93 Difference]: Finished difference Result 3051 states and 4348 transitions. [2021-11-19 05:19:18,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:18,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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 108 [2021-11-19 05:19:18,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:18,900 INFO L225 Difference]: With dead ends: 3051 [2021-11-19 05:19:18,900 INFO L226 Difference]: Without dead ends: 2767 [2021-11-19 05:19:18,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:18,905 INFO L933 BasicCegarLoop]: 1327 mSDtfsCounter, 3567 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 4254 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3567 SdHoareTripleChecker+Valid, 5233 SdHoareTripleChecker+Invalid, 4275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:18,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3567 Valid, 5233 Invalid, 4275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4254 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:19:18,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2021-11-19 05:19:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2021-11-19 05:19:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4341846758349706) internal successors, (2190), 1555 states have internal predecessors, (2190), 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) [2021-11-19 05:19:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2190 transitions. [2021-11-19 05:19:19,108 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2190 transitions. Word has length 108 [2021-11-19 05:19:19,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:19,108 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2190 transitions. [2021-11-19 05:19:19,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2190 transitions. [2021-11-19 05:19:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 05:19:19,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:19,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:19,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-19 05:19:19,112 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:19,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:19,113 INFO L85 PathProgramCache]: Analyzing trace with hash 599824408, now seen corresponding path program 1 times [2021-11-19 05:19:19,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:19,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262476501] [2021-11-19 05:19:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:19,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:19,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:19,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262476501] [2021-11-19 05:19:19,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262476501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:19,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:19,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:19,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950342175] [2021-11-19 05:19:19,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:19,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:19,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:19,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:19,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:19,258 INFO L87 Difference]: Start difference. First operand 1556 states and 2190 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:21,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:21,381 INFO L93 Difference]: Finished difference Result 2949 states and 4201 transitions. [2021-11-19 05:19:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:21,382 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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 108 [2021-11-19 05:19:21,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:21,387 INFO L225 Difference]: With dead ends: 2949 [2021-11-19 05:19:21,388 INFO L226 Difference]: Without dead ends: 2740 [2021-11-19 05:19:21,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:21,390 INFO L933 BasicCegarLoop]: 1031 mSDtfsCounter, 3884 mSDsluCounter, 3383 mSDsCounter, 0 mSdLazyCounter, 3703 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3884 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 3740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 3703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:21,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3884 Valid, 4414 Invalid, 3740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 3703 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:19:21,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2021-11-19 05:19:21,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2021-11-19 05:19:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4335297969875573) internal successors, (2189), 1555 states have internal predecessors, (2189), 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) [2021-11-19 05:19:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2189 transitions. [2021-11-19 05:19:21,547 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2189 transitions. Word has length 108 [2021-11-19 05:19:21,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:21,547 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2189 transitions. [2021-11-19 05:19:21,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2189 transitions. [2021-11-19 05:19:21,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 05:19:21,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:21,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:21,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-19 05:19:21,551 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:21,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:21,551 INFO L85 PathProgramCache]: Analyzing trace with hash -187390256, now seen corresponding path program 1 times [2021-11-19 05:19:21,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:21,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018522991] [2021-11-19 05:19:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:21,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:21,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:21,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018522991] [2021-11-19 05:19:21,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018522991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:21,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:21,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:21,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141786326] [2021-11-19 05:19:21,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:21,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:21,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:21,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:21,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:21,714 INFO L87 Difference]: Start difference. First operand 1556 states and 2189 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:24,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:24,085 INFO L93 Difference]: Finished difference Result 3031 states and 4324 transitions. [2021-11-19 05:19:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:24,086 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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 108 [2021-11-19 05:19:24,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:24,093 INFO L225 Difference]: With dead ends: 3031 [2021-11-19 05:19:24,093 INFO L226 Difference]: Without dead ends: 2767 [2021-11-19 05:19:24,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:19:24,096 INFO L933 BasicCegarLoop]: 1239 mSDtfsCounter, 6901 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 4188 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6901 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 4230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:24,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6901 Valid, 5191 Invalid, 4230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4188 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:19:24,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2021-11-19 05:19:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2021-11-19 05:19:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4328749181401441) internal successors, (2188), 1555 states have internal predecessors, (2188), 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) [2021-11-19 05:19:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2188 transitions. [2021-11-19 05:19:24,284 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2188 transitions. Word has length 108 [2021-11-19 05:19:24,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:24,284 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2188 transitions. [2021-11-19 05:19:24,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 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) [2021-11-19 05:19:24,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2188 transitions. [2021-11-19 05:19:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:24,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:24,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:24,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-19 05:19:24,288 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:24,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:24,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1007860577, now seen corresponding path program 1 times [2021-11-19 05:19:24,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:24,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993233584] [2021-11-19 05:19:24,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:24,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:24,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:24,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993233584] [2021-11-19 05:19:24,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993233584] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:24,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:24,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:24,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716370291] [2021-11-19 05:19:24,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:24,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:24,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:24,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:24,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:24,444 INFO L87 Difference]: Start difference. First operand 1556 states and 2188 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:26,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:26,756 INFO L93 Difference]: Finished difference Result 2926 states and 4155 transitions. [2021-11-19 05:19:26,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:26,756 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:26,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:26,760 INFO L225 Difference]: With dead ends: 2926 [2021-11-19 05:19:26,760 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:19:26,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:26,762 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 3819 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 3684 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 4304 SdHoareTripleChecker+Invalid, 3747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:26,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3819 Valid, 4304 Invalid, 3747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3684 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:19:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:19:26,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:19:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4315651604453177) internal successors, (2186), 1555 states have internal predecessors, (2186), 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) [2021-11-19 05:19:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2186 transitions. [2021-11-19 05:19:26,966 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2186 transitions. Word has length 110 [2021-11-19 05:19:26,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:26,966 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2186 transitions. [2021-11-19 05:19:26,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2186 transitions. [2021-11-19 05:19:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:26,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:26,970 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:26,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-19 05:19:26,971 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:26,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash 440183832, now seen corresponding path program 1 times [2021-11-19 05:19:26,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:26,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385440547] [2021-11-19 05:19:26,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:26,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:27,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:27,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385440547] [2021-11-19 05:19:27,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385440547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:27,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:27,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:27,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473054168] [2021-11-19 05:19:27,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:27,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:27,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:27,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:27,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:27,144 INFO L87 Difference]: Start difference. First operand 1556 states and 2186 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:29,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:29,379 INFO L93 Difference]: Finished difference Result 3004 states and 4264 transitions. [2021-11-19 05:19:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:29,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:29,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:29,384 INFO L225 Difference]: With dead ends: 3004 [2021-11-19 05:19:29,384 INFO L226 Difference]: Without dead ends: 2740 [2021-11-19 05:19:29,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:29,387 INFO L933 BasicCegarLoop]: 1190 mSDtfsCounter, 5347 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 4077 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5347 SdHoareTripleChecker+Valid, 4853 SdHoareTripleChecker+Invalid, 4128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 4077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:29,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5347 Valid, 4853 Invalid, 4128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 4077 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:19:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2021-11-19 05:19:29,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2021-11-19 05:19:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4302554027504912) internal successors, (2184), 1555 states have internal predecessors, (2184), 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) [2021-11-19 05:19:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2184 transitions. [2021-11-19 05:19:29,598 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2184 transitions. Word has length 110 [2021-11-19 05:19:29,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:29,598 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2184 transitions. [2021-11-19 05:19:29,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2184 transitions. [2021-11-19 05:19:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:29,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:29,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:29,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 05:19:29,602 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:29,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:29,607 INFO L85 PathProgramCache]: Analyzing trace with hash 710747051, now seen corresponding path program 1 times [2021-11-19 05:19:29,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:29,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890681739] [2021-11-19 05:19:29,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:29,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:29,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:29,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890681739] [2021-11-19 05:19:29,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890681739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:29,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:29,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:29,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259386017] [2021-11-19 05:19:29,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:29,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:29,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:29,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:29,764 INFO L87 Difference]: Start difference. First operand 1556 states and 2184 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:32,086 INFO L93 Difference]: Finished difference Result 2926 states and 4151 transitions. [2021-11-19 05:19:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:32,086 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:32,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:32,089 INFO L225 Difference]: With dead ends: 2926 [2021-11-19 05:19:32,089 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:19:32,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:32,091 INFO L933 BasicCegarLoop]: 1121 mSDtfsCounter, 7238 mSDsluCounter, 3527 mSDsCounter, 0 mSdLazyCounter, 3962 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7238 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:32,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7238 Valid, 4648 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3962 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:19:32,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:19:32,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:19:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4289456450556648) internal successors, (2182), 1555 states have internal predecessors, (2182), 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) [2021-11-19 05:19:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2182 transitions. [2021-11-19 05:19:32,300 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2182 transitions. Word has length 110 [2021-11-19 05:19:32,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:32,300 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2182 transitions. [2021-11-19 05:19:32,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2182 transitions. [2021-11-19 05:19:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:32,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:32,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:32,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-19 05:19:32,304 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:32,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:32,305 INFO L85 PathProgramCache]: Analyzing trace with hash -742843731, now seen corresponding path program 1 times [2021-11-19 05:19:32,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:32,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151896359] [2021-11-19 05:19:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:32,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:32,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:32,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151896359] [2021-11-19 05:19:32,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151896359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:32,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:32,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:32,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523292189] [2021-11-19 05:19:32,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:32,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:32,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:32,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:32,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:32,510 INFO L87 Difference]: Start difference. First operand 1556 states and 2182 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:34,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:34,690 INFO L93 Difference]: Finished difference Result 2922 states and 4144 transitions. [2021-11-19 05:19:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:34,691 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:34,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:34,694 INFO L225 Difference]: With dead ends: 2922 [2021-11-19 05:19:34,694 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:19:34,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:34,696 INFO L933 BasicCegarLoop]: 1053 mSDtfsCounter, 3724 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3724 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:34,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3724 Valid, 4487 Invalid, 3876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 3814 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:19:34,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:19:34,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:19:34,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4276358873608384) internal successors, (2180), 1555 states have internal predecessors, (2180), 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) [2021-11-19 05:19:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2180 transitions. [2021-11-19 05:19:34,847 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2180 transitions. Word has length 110 [2021-11-19 05:19:34,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:34,848 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2180 transitions. [2021-11-19 05:19:34,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2180 transitions. [2021-11-19 05:19:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:34,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:34,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:34,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 05:19:34,852 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:34,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:34,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1547864661, now seen corresponding path program 1 times [2021-11-19 05:19:34,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:34,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525899125] [2021-11-19 05:19:34,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:34,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:35,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:35,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525899125] [2021-11-19 05:19:35,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525899125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:35,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:35,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:35,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707583754] [2021-11-19 05:19:35,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:35,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:35,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:35,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:35,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:35,024 INFO L87 Difference]: Start difference. First operand 1556 states and 2180 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:37,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:37,796 INFO L93 Difference]: Finished difference Result 2930 states and 4151 transitions. [2021-11-19 05:19:37,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:37,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:37,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:37,800 INFO L225 Difference]: With dead ends: 2930 [2021-11-19 05:19:37,800 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:19:37,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:37,802 INFO L933 BasicCegarLoop]: 1053 mSDtfsCounter, 6575 mSDsluCounter, 4422 mSDsCounter, 0 mSdLazyCounter, 4594 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6575 SdHoareTripleChecker+Valid, 5475 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:37,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6575 Valid, 5475 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4594 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 05:19:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:19:37,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:19:37,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4263261296660117) internal successors, (2178), 1555 states have internal predecessors, (2178), 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) [2021-11-19 05:19:37,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2178 transitions. [2021-11-19 05:19:37,967 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2178 transitions. Word has length 110 [2021-11-19 05:19:37,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:37,967 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2178 transitions. [2021-11-19 05:19:37,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2178 transitions. [2021-11-19 05:19:37,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:37,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:37,970 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:37,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-19 05:19:37,970 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:37,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:37,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1996058189, now seen corresponding path program 1 times [2021-11-19 05:19:37,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:37,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751690653] [2021-11-19 05:19:37,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:37,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:38,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:38,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751690653] [2021-11-19 05:19:38,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751690653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:38,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:38,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:38,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022497818] [2021-11-19 05:19:38,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:38,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:38,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:38,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:38,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:38,117 INFO L87 Difference]: Start difference. First operand 1556 states and 2178 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:40,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:40,552 INFO L93 Difference]: Finished difference Result 3020 states and 4279 transitions. [2021-11-19 05:19:40,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:40,553 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:40,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:40,555 INFO L225 Difference]: With dead ends: 3020 [2021-11-19 05:19:40,556 INFO L226 Difference]: Without dead ends: 2740 [2021-11-19 05:19:40,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:40,557 INFO L933 BasicCegarLoop]: 1122 mSDtfsCounter, 5460 mSDsluCounter, 3609 mSDsCounter, 0 mSdLazyCounter, 3957 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5460 SdHoareTripleChecker+Valid, 4731 SdHoareTripleChecker+Invalid, 4010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:40,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5460 Valid, 4731 Invalid, 4010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3957 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:19:40,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2021-11-19 05:19:40,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2021-11-19 05:19:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4250163719711852) internal successors, (2176), 1555 states have internal predecessors, (2176), 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) [2021-11-19 05:19:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2176 transitions. [2021-11-19 05:19:40,719 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2176 transitions. Word has length 110 [2021-11-19 05:19:40,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:40,719 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2176 transitions. [2021-11-19 05:19:40,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2176 transitions. [2021-11-19 05:19:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:40,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:40,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:40,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 05:19:40,722 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:40,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:40,722 INFO L85 PathProgramCache]: Analyzing trace with hash 50488066, now seen corresponding path program 1 times [2021-11-19 05:19:40,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:40,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443939125] [2021-11-19 05:19:40,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:40,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:40,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:40,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443939125] [2021-11-19 05:19:40,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443939125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:40,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:40,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:40,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379965942] [2021-11-19 05:19:40,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:40,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:40,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:40,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:40,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:40,858 INFO L87 Difference]: Start difference. First operand 1556 states and 2176 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:43,001 INFO L93 Difference]: Finished difference Result 3036 states and 4291 transitions. [2021-11-19 05:19:43,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:43,001 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:43,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:43,005 INFO L225 Difference]: With dead ends: 3036 [2021-11-19 05:19:43,006 INFO L226 Difference]: Without dead ends: 2740 [2021-11-19 05:19:43,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:43,008 INFO L933 BasicCegarLoop]: 1075 mSDtfsCounter, 5762 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 3853 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5762 SdHoareTripleChecker+Valid, 4613 SdHoareTripleChecker+Invalid, 3906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:43,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5762 Valid, 4613 Invalid, 3906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3853 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:19:43,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2021-11-19 05:19:43,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2021-11-19 05:19:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4237066142763588) internal successors, (2174), 1555 states have internal predecessors, (2174), 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) [2021-11-19 05:19:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2174 transitions. [2021-11-19 05:19:43,195 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2174 transitions. Word has length 110 [2021-11-19 05:19:43,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:43,195 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2174 transitions. [2021-11-19 05:19:43,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2174 transitions. [2021-11-19 05:19:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:43,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:43,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:43,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 05:19:43,198 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:43,199 INFO L85 PathProgramCache]: Analyzing trace with hash -569205108, now seen corresponding path program 1 times [2021-11-19 05:19:43,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:43,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566128536] [2021-11-19 05:19:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:43,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:43,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:43,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566128536] [2021-11-19 05:19:43,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566128536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:43,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:43,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:43,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655950754] [2021-11-19 05:19:43,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:43,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:43,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:43,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:43,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:43,348 INFO L87 Difference]: Start difference. First operand 1556 states and 2174 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:45,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:45,831 INFO L93 Difference]: Finished difference Result 3187 states and 4506 transitions. [2021-11-19 05:19:45,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:45,832 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:45,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:45,834 INFO L225 Difference]: With dead ends: 3187 [2021-11-19 05:19:45,834 INFO L226 Difference]: Without dead ends: 2767 [2021-11-19 05:19:45,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:45,836 INFO L933 BasicCegarLoop]: 1378 mSDtfsCounter, 4953 mSDsluCounter, 3995 mSDsCounter, 0 mSdLazyCounter, 4371 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4953 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 4399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:45,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4953 Valid, 5373 Invalid, 4399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 4371 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:19:45,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2021-11-19 05:19:46,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2021-11-19 05:19:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4223968565815324) internal successors, (2172), 1555 states have internal predecessors, (2172), 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) [2021-11-19 05:19:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2172 transitions. [2021-11-19 05:19:46,042 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2172 transitions. Word has length 110 [2021-11-19 05:19:46,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:46,042 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2172 transitions. [2021-11-19 05:19:46,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2172 transitions. [2021-11-19 05:19:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:46,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:46,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:46,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-19 05:19:46,045 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:46,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:46,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1154108685, now seen corresponding path program 1 times [2021-11-19 05:19:46,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:46,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717686323] [2021-11-19 05:19:46,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:46,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:46,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:46,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717686323] [2021-11-19 05:19:46,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717686323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:46,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:46,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:46,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66732180] [2021-11-19 05:19:46,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:46,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:46,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:46,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:46,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:46,199 INFO L87 Difference]: Start difference. First operand 1556 states and 2172 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:48,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:48,611 INFO L93 Difference]: Finished difference Result 2907 states and 4110 transitions. [2021-11-19 05:19:48,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:48,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:48,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:48,614 INFO L225 Difference]: With dead ends: 2907 [2021-11-19 05:19:48,614 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:19:48,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:48,616 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 3535 mSDsluCounter, 3758 mSDsCounter, 0 mSdLazyCounter, 4079 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3535 SdHoareTripleChecker+Valid, 4921 SdHoareTripleChecker+Invalid, 4139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 4079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:48,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3535 Valid, 4921 Invalid, 4139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 4079 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:19:48,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:19:48,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:19:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4217419777341191) internal successors, (2171), 1555 states have internal predecessors, (2171), 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) [2021-11-19 05:19:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2171 transitions. [2021-11-19 05:19:48,788 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2171 transitions. Word has length 110 [2021-11-19 05:19:48,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:48,788 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2171 transitions. [2021-11-19 05:19:48,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2171 transitions. [2021-11-19 05:19:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:48,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:48,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:48,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-19 05:19:48,791 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:48,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:48,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1543383125, now seen corresponding path program 1 times [2021-11-19 05:19:48,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:48,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341549215] [2021-11-19 05:19:48,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:48,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:48,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:48,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341549215] [2021-11-19 05:19:48,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341549215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:48,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:48,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:48,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847354940] [2021-11-19 05:19:48,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:48,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:48,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:48,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:48,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:48,930 INFO L87 Difference]: Start difference. First operand 1556 states and 2171 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:51,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:51,403 INFO L93 Difference]: Finished difference Result 2970 states and 4195 transitions. [2021-11-19 05:19:51,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:51,403 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:51,406 INFO L225 Difference]: With dead ends: 2970 [2021-11-19 05:19:51,406 INFO L226 Difference]: Without dead ends: 2740 [2021-11-19 05:19:51,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:51,407 INFO L933 BasicCegarLoop]: 1304 mSDtfsCounter, 5768 mSDsluCounter, 3991 mSDsCounter, 0 mSdLazyCounter, 4342 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5768 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 4401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:51,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5768 Valid, 5295 Invalid, 4401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4342 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:19:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2021-11-19 05:19:51,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2021-11-19 05:19:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.421087098886706) internal successors, (2170), 1555 states have internal predecessors, (2170), 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) [2021-11-19 05:19:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2170 transitions. [2021-11-19 05:19:51,618 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2170 transitions. Word has length 110 [2021-11-19 05:19:51,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:51,618 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2170 transitions. [2021-11-19 05:19:51,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2170 transitions. [2021-11-19 05:19:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:51,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:51,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:51,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-19 05:19:51,622 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:51,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:51,623 INFO L85 PathProgramCache]: Analyzing trace with hash -614432406, now seen corresponding path program 1 times [2021-11-19 05:19:51,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:51,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655347977] [2021-11-19 05:19:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:51,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:51,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:51,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655347977] [2021-11-19 05:19:51,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655347977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:51,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:51,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:51,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218576836] [2021-11-19 05:19:51,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:51,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:51,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:51,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:51,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:51,756 INFO L87 Difference]: Start difference. First operand 1556 states and 2170 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:54,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:54,311 INFO L93 Difference]: Finished difference Result 2907 states and 4108 transitions. [2021-11-19 05:19:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:54,312 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:54,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:54,315 INFO L225 Difference]: With dead ends: 2907 [2021-11-19 05:19:54,315 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:19:54,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:54,317 INFO L933 BasicCegarLoop]: 1280 mSDtfsCounter, 6413 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 4356 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6413 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 4468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 4356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:54,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6413 Valid, 5278 Invalid, 4468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 4356 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:19:54,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:19:54,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:19:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4204322200392927) internal successors, (2169), 1555 states have internal predecessors, (2169), 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) [2021-11-19 05:19:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2169 transitions. [2021-11-19 05:19:54,497 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2169 transitions. Word has length 110 [2021-11-19 05:19:54,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:54,497 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2169 transitions. [2021-11-19 05:19:54,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2169 transitions. [2021-11-19 05:19:54,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:54,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:54,500 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:54,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-19 05:19:54,501 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:54,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:54,501 INFO L85 PathProgramCache]: Analyzing trace with hash -401140471, now seen corresponding path program 1 times [2021-11-19 05:19:54,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:54,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278183553] [2021-11-19 05:19:54,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:54,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:54,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:54,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278183553] [2021-11-19 05:19:54,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278183553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:54,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:54,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:54,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559052997] [2021-11-19 05:19:54,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:54,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:54,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:54,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:54,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:54,633 INFO L87 Difference]: Start difference. First operand 1556 states and 2169 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:56,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:56,987 INFO L93 Difference]: Finished difference Result 2901 states and 4100 transitions. [2021-11-19 05:19:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:56,988 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:56,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:56,990 INFO L225 Difference]: With dead ends: 2901 [2021-11-19 05:19:56,990 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:19:56,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:56,992 INFO L933 BasicCegarLoop]: 1212 mSDtfsCounter, 3439 mSDsluCounter, 3910 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 5122 SdHoareTripleChecker+Invalid, 4261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:56,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3439 Valid, 5122 Invalid, 4261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:19:56,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:19:57,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:19:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4197773411918795) internal successors, (2168), 1555 states have internal predecessors, (2168), 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) [2021-11-19 05:19:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2168 transitions. [2021-11-19 05:19:57,172 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2168 transitions. Word has length 110 [2021-11-19 05:19:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:19:57,173 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2168 transitions. [2021-11-19 05:19:57,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2168 transitions. [2021-11-19 05:19:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:19:57,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:19:57,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:57,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-19 05:19:57,175 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:19:57,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:57,176 INFO L85 PathProgramCache]: Analyzing trace with hash -48350613, now seen corresponding path program 1 times [2021-11-19 05:19:57,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:57,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164702028] [2021-11-19 05:19:57,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:57,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:57,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:57,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164702028] [2021-11-19 05:19:57,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164702028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:57,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:57,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:19:57,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125055966] [2021-11-19 05:19:57,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:57,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:19:57,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:57,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:19:57,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:19:57,315 INFO L87 Difference]: Start difference. First operand 1556 states and 2168 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:19:59,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:19:59,962 INFO L93 Difference]: Finished difference Result 2907 states and 4104 transitions. [2021-11-19 05:19:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:19:59,962 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:19:59,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:19:59,965 INFO L225 Difference]: With dead ends: 2907 [2021-11-19 05:19:59,965 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:19:59,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:19:59,967 INFO L933 BasicCegarLoop]: 1280 mSDtfsCounter, 4861 mSDsluCounter, 4004 mSDsCounter, 0 mSdLazyCounter, 4338 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4861 SdHoareTripleChecker+Valid, 5284 SdHoareTripleChecker+Invalid, 4422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 4338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:19:59,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4861 Valid, 5284 Invalid, 4422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 4338 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:19:59,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:20:00,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:20:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4191224623444663) internal successors, (2167), 1555 states have internal predecessors, (2167), 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) [2021-11-19 05:20:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2167 transitions. [2021-11-19 05:20:00,145 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2167 transitions. Word has length 110 [2021-11-19 05:20:00,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:00,145 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2167 transitions. [2021-11-19 05:20:00,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:20:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2167 transitions. [2021-11-19 05:20:00,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:20:00,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:00,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:00,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-19 05:20:00,149 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:00,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:00,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1179488479, now seen corresponding path program 1 times [2021-11-19 05:20:00,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:00,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905509171] [2021-11-19 05:20:00,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:00,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:00,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:00,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905509171] [2021-11-19 05:20:00,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905509171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:00,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:00,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:00,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176926830] [2021-11-19 05:20:00,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:00,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:00,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:00,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:00,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:00,280 INFO L87 Difference]: Start difference. First operand 1556 states and 2167 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:20:02,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:02,730 INFO L93 Difference]: Finished difference Result 2902 states and 4098 transitions. [2021-11-19 05:20:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:02,731 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:20:02,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:02,733 INFO L225 Difference]: With dead ends: 2902 [2021-11-19 05:20:02,733 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:20:02,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:02,735 INFO L933 BasicCegarLoop]: 1263 mSDtfsCounter, 4784 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4784 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 4461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:02,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4784 Valid, 5325 Invalid, 4461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 4378 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:20:02,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:20:02,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:20:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.418467583497053) internal successors, (2166), 1555 states have internal predecessors, (2166), 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) [2021-11-19 05:20:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2166 transitions. [2021-11-19 05:20:02,920 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2166 transitions. Word has length 110 [2021-11-19 05:20:02,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:02,920 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2166 transitions. [2021-11-19 05:20:02,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:20:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2166 transitions. [2021-11-19 05:20:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 05:20:02,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:02,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:02,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-19 05:20:02,923 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:02,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash 420514163, now seen corresponding path program 1 times [2021-11-19 05:20:02,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:02,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912477326] [2021-11-19 05:20:02,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:02,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:03,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:03,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912477326] [2021-11-19 05:20:03,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912477326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:03,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:03,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:03,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809709079] [2021-11-19 05:20:03,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:03,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:03,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:03,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:03,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:03,056 INFO L87 Difference]: Start difference. First operand 1556 states and 2166 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:20:05,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:05,425 INFO L93 Difference]: Finished difference Result 2902 states and 4097 transitions. [2021-11-19 05:20:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:05,425 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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 110 [2021-11-19 05:20:05,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:05,428 INFO L225 Difference]: With dead ends: 2902 [2021-11-19 05:20:05,429 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:20:05,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:05,430 INFO L933 BasicCegarLoop]: 1280 mSDtfsCounter, 4872 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 4331 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4872 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 4416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:05,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4872 Valid, 5278 Invalid, 4416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4331 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:20:05,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:20:05,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:20:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4178127046496398) internal successors, (2165), 1555 states have internal predecessors, (2165), 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) [2021-11-19 05:20:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2165 transitions. [2021-11-19 05:20:05,617 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2165 transitions. Word has length 110 [2021-11-19 05:20:05,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:05,617 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2165 transitions. [2021-11-19 05:20:05,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-19 05:20:05,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2165 transitions. [2021-11-19 05:20:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-19 05:20:05,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:05,620 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:05,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-19 05:20:05,620 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:05,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:05,620 INFO L85 PathProgramCache]: Analyzing trace with hash -853036038, now seen corresponding path program 1 times [2021-11-19 05:20:05,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:05,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339664234] [2021-11-19 05:20:05,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:05,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:05,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:05,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339664234] [2021-11-19 05:20:05,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339664234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:05,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:05,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:05,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444384486] [2021-11-19 05:20:05,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:05,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:05,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:05,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:05,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:05,750 INFO L87 Difference]: Start difference. First operand 1556 states and 2165 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 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) [2021-11-19 05:20:08,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:08,248 INFO L93 Difference]: Finished difference Result 2900 states and 4093 transitions. [2021-11-19 05:20:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:08,248 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 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 111 [2021-11-19 05:20:08,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:08,251 INFO L225 Difference]: With dead ends: 2900 [2021-11-19 05:20:08,251 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:20:08,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:08,253 INFO L933 BasicCegarLoop]: 1204 mSDtfsCounter, 5004 mSDsluCounter, 3899 mSDsCounter, 0 mSdLazyCounter, 4162 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5004 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 4249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 4162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:08,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5004 Valid, 5103 Invalid, 4249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 4162 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:20:08,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:20:08,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:20:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4171578258022266) internal successors, (2164), 1555 states have internal predecessors, (2164), 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) [2021-11-19 05:20:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2164 transitions. [2021-11-19 05:20:08,438 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2164 transitions. Word has length 111 [2021-11-19 05:20:08,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:08,439 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2164 transitions. [2021-11-19 05:20:08,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 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) [2021-11-19 05:20:08,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2164 transitions. [2021-11-19 05:20:08,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:08,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:08,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:08,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-19 05:20:08,441 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:08,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:08,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1535060563, now seen corresponding path program 1 times [2021-11-19 05:20:08,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:08,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507798639] [2021-11-19 05:20:08,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:08,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:08,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:08,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507798639] [2021-11-19 05:20:08,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507798639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:08,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:08,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:08,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189942257] [2021-11-19 05:20:08,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:08,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:08,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:08,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:08,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:08,580 INFO L87 Difference]: Start difference. First operand 1556 states and 2164 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:10,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:10,892 INFO L93 Difference]: Finished difference Result 2852 states and 4009 transitions. [2021-11-19 05:20:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:10,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:10,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:10,896 INFO L225 Difference]: With dead ends: 2852 [2021-11-19 05:20:10,896 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:10,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:10,898 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 6447 mSDsluCounter, 3328 mSDsCounter, 0 mSdLazyCounter, 3729 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6447 SdHoareTripleChecker+Valid, 4360 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 3729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:10,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6447 Valid, 4360 Invalid, 3910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 3729 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:20:10,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:11,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4158480681074002) internal successors, (2162), 1555 states have internal predecessors, (2162), 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) [2021-11-19 05:20:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2162 transitions. [2021-11-19 05:20:11,093 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2162 transitions. Word has length 112 [2021-11-19 05:20:11,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:11,093 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2162 transitions. [2021-11-19 05:20:11,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:11,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2162 transitions. [2021-11-19 05:20:11,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:11,096 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:11,096 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:11,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-19 05:20:11,096 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:11,097 INFO L85 PathProgramCache]: Analyzing trace with hash 406857105, now seen corresponding path program 1 times [2021-11-19 05:20:11,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:11,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367947201] [2021-11-19 05:20:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:11,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:11,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:11,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367947201] [2021-11-19 05:20:11,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367947201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:11,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:11,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:11,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839361403] [2021-11-19 05:20:11,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:11,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:11,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:11,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:11,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:11,229 INFO L87 Difference]: Start difference. First operand 1556 states and 2162 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:13,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:13,635 INFO L93 Difference]: Finished difference Result 2926 states and 4117 transitions. [2021-11-19 05:20:13,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:13,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:13,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:13,638 INFO L225 Difference]: With dead ends: 2926 [2021-11-19 05:20:13,638 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:20:13,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:13,639 INFO L933 BasicCegarLoop]: 1280 mSDtfsCounter, 3317 mSDsluCounter, 3984 mSDsCounter, 0 mSdLazyCounter, 4303 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 5264 SdHoareTripleChecker+Invalid, 4360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 4303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:13,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3317 Valid, 5264 Invalid, 4360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 4303 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:20:13,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:20:13,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:20:13,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4145383104125737) internal successors, (2160), 1555 states have internal predecessors, (2160), 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) [2021-11-19 05:20:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2160 transitions. [2021-11-19 05:20:13,835 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2160 transitions. Word has length 112 [2021-11-19 05:20:13,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:13,836 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2160 transitions. [2021-11-19 05:20:13,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:13,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2160 transitions. [2021-11-19 05:20:13,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:13,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:13,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:13,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-19 05:20:13,838 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:13,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:13,839 INFO L85 PathProgramCache]: Analyzing trace with hash 831193242, now seen corresponding path program 1 times [2021-11-19 05:20:13,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:13,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615655800] [2021-11-19 05:20:13,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:13,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:13,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:13,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615655800] [2021-11-19 05:20:13,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615655800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:13,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:13,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:13,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820864114] [2021-11-19 05:20:13,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:13,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:13,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:13,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:13,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:13,971 INFO L87 Difference]: Start difference. First operand 1556 states and 2160 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:16,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:16,465 INFO L93 Difference]: Finished difference Result 2852 states and 4005 transitions. [2021-11-19 05:20:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:16,466 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:16,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:16,470 INFO L225 Difference]: With dead ends: 2852 [2021-11-19 05:20:16,470 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:16,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:16,472 INFO L933 BasicCegarLoop]: 1128 mSDtfsCounter, 6274 mSDsluCounter, 3522 mSDsCounter, 0 mSdLazyCounter, 3935 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6274 SdHoareTripleChecker+Valid, 4650 SdHoareTripleChecker+Invalid, 4113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 3935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:16,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6274 Valid, 4650 Invalid, 4113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 3935 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:20:16,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:16,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4132285527177473) internal successors, (2158), 1555 states have internal predecessors, (2158), 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) [2021-11-19 05:20:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2158 transitions. [2021-11-19 05:20:16,681 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2158 transitions. Word has length 112 [2021-11-19 05:20:16,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:16,681 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2158 transitions. [2021-11-19 05:20:16,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2158 transitions. [2021-11-19 05:20:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:16,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:16,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:16,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-19 05:20:16,685 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:16,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:16,686 INFO L85 PathProgramCache]: Analyzing trace with hash -599958592, now seen corresponding path program 1 times [2021-11-19 05:20:16,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:16,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536600332] [2021-11-19 05:20:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:16,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:16,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:16,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536600332] [2021-11-19 05:20:16,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536600332] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:16,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:16,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:16,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801634363] [2021-11-19 05:20:16,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:16,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:16,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:16,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:16,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:16,829 INFO L87 Difference]: Start difference. First operand 1556 states and 2158 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:19,502 INFO L93 Difference]: Finished difference Result 2850 states and 4000 transitions. [2021-11-19 05:20:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:19,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:19,505 INFO L225 Difference]: With dead ends: 2850 [2021-11-19 05:20:19,505 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:19,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:19,507 INFO L933 BasicCegarLoop]: 1055 mSDtfsCounter, 6391 mSDsluCounter, 4341 mSDsCounter, 0 mSdLazyCounter, 4522 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6391 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 4522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:19,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6391 Valid, 5396 Invalid, 4702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 4522 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:20:19,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:19,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4119187950229208) internal successors, (2156), 1555 states have internal predecessors, (2156), 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) [2021-11-19 05:20:19,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2156 transitions. [2021-11-19 05:20:19,705 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2156 transitions. Word has length 112 [2021-11-19 05:20:19,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:19,705 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2156 transitions. [2021-11-19 05:20:19,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2156 transitions. [2021-11-19 05:20:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:19,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:19,708 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:19,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-19 05:20:19,709 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:19,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:19,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1149374714, now seen corresponding path program 1 times [2021-11-19 05:20:19,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:19,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409580996] [2021-11-19 05:20:19,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:19,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:19,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:19,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409580996] [2021-11-19 05:20:19,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409580996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:19,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:19,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:19,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469070788] [2021-11-19 05:20:19,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:19,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:19,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:19,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:19,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:19,846 INFO L87 Difference]: Start difference. First operand 1556 states and 2156 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:22,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:22,523 INFO L93 Difference]: Finished difference Result 2852 states and 3999 transitions. [2021-11-19 05:20:22,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:22,524 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:22,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:22,526 INFO L225 Difference]: With dead ends: 2852 [2021-11-19 05:20:22,526 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:22,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:22,528 INFO L933 BasicCegarLoop]: 1128 mSDtfsCounter, 4887 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 4296 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4887 SdHoareTripleChecker+Valid, 5117 SdHoareTripleChecker+Invalid, 4439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 4296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:22,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4887 Valid, 5117 Invalid, 4439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 4296 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:20:22,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:22,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4106090373280944) internal successors, (2154), 1555 states have internal predecessors, (2154), 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) [2021-11-19 05:20:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2154 transitions. [2021-11-19 05:20:22,753 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2154 transitions. Word has length 112 [2021-11-19 05:20:22,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:22,753 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2154 transitions. [2021-11-19 05:20:22,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:22,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2154 transitions. [2021-11-19 05:20:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:22,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:22,755 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:22,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-19 05:20:22,756 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:22,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:22,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1717218169, now seen corresponding path program 1 times [2021-11-19 05:20:22,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:22,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280947305] [2021-11-19 05:20:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:22,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:22,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:22,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280947305] [2021-11-19 05:20:22,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280947305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:22,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:22,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:22,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984069222] [2021-11-19 05:20:22,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:22,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:22,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:22,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:22,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:22,901 INFO L87 Difference]: Start difference. First operand 1556 states and 2154 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:25,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:25,600 INFO L93 Difference]: Finished difference Result 2850 states and 3994 transitions. [2021-11-19 05:20:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:25,600 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:25,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:25,603 INFO L225 Difference]: With dead ends: 2850 [2021-11-19 05:20:25,603 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:25,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:25,604 INFO L933 BasicCegarLoop]: 1110 mSDtfsCounter, 6285 mSDsluCounter, 4504 mSDsCounter, 0 mSdLazyCounter, 4686 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6285 SdHoareTripleChecker+Valid, 5614 SdHoareTripleChecker+Invalid, 4864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:25,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6285 Valid, 5614 Invalid, 4864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 4686 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:20:25,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:25,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:25,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.409299279633268) internal successors, (2152), 1555 states have internal predecessors, (2152), 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) [2021-11-19 05:20:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2152 transitions. [2021-11-19 05:20:25,828 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2152 transitions. Word has length 112 [2021-11-19 05:20:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:25,828 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2152 transitions. [2021-11-19 05:20:25,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2152 transitions. [2021-11-19 05:20:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:25,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:25,830 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:25,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-19 05:20:25,830 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:25,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:25,830 INFO L85 PathProgramCache]: Analyzing trace with hash 608776498, now seen corresponding path program 1 times [2021-11-19 05:20:25,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:25,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272268819] [2021-11-19 05:20:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:25,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:25,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:25,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272268819] [2021-11-19 05:20:25,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272268819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:25,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:25,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:25,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384330515] [2021-11-19 05:20:25,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:25,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:25,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:25,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:25,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:25,950 INFO L87 Difference]: Start difference. First operand 1556 states and 2152 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:28,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:28,347 INFO L93 Difference]: Finished difference Result 2850 states and 3992 transitions. [2021-11-19 05:20:28,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:28,347 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:28,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:28,349 INFO L225 Difference]: With dead ends: 2850 [2021-11-19 05:20:28,349 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:28,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:28,350 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 4225 mSDsluCounter, 3512 mSDsCounter, 0 mSdLazyCounter, 3932 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 4635 SdHoareTripleChecker+Invalid, 4075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 3932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:28,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4225 Valid, 4635 Invalid, 4075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 3932 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:20:28,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:28,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:28,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4079895219384413) internal successors, (2150), 1555 states have internal predecessors, (2150), 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) [2021-11-19 05:20:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2150 transitions. [2021-11-19 05:20:28,579 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2150 transitions. Word has length 112 [2021-11-19 05:20:28,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:28,579 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2150 transitions. [2021-11-19 05:20:28,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:28,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2150 transitions. [2021-11-19 05:20:28,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:28,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:28,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:28,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-19 05:20:28,581 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:28,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:28,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2052108505, now seen corresponding path program 1 times [2021-11-19 05:20:28,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:28,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898756285] [2021-11-19 05:20:28,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:28,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:28,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:28,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898756285] [2021-11-19 05:20:28,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898756285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:28,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:28,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:28,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920472867] [2021-11-19 05:20:28,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:28,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:28,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:28,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:28,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:28,695 INFO L87 Difference]: Start difference. First operand 1556 states and 2150 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:31,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:31,055 INFO L93 Difference]: Finished difference Result 2938 states and 4118 transitions. [2021-11-19 05:20:31,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:31,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:31,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:31,058 INFO L225 Difference]: With dead ends: 2938 [2021-11-19 05:20:31,058 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:20:31,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:31,060 INFO L933 BasicCegarLoop]: 1165 mSDtfsCounter, 3526 mSDsluCounter, 3849 mSDsCounter, 0 mSdLazyCounter, 4024 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3526 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:31,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3526 Valid, 5014 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4024 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:20:31,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:20:31,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:20:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4066797642436148) internal successors, (2148), 1555 states have internal predecessors, (2148), 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) [2021-11-19 05:20:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2148 transitions. [2021-11-19 05:20:31,303 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2148 transitions. Word has length 112 [2021-11-19 05:20:31,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:31,303 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2148 transitions. [2021-11-19 05:20:31,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2148 transitions. [2021-11-19 05:20:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:31,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:31,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:31,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-19 05:20:31,305 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:31,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:31,306 INFO L85 PathProgramCache]: Analyzing trace with hash -288079998, now seen corresponding path program 1 times [2021-11-19 05:20:31,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:31,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636375580] [2021-11-19 05:20:31,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:31,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:31,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:31,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636375580] [2021-11-19 05:20:31,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636375580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:31,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:31,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:31,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002375153] [2021-11-19 05:20:31,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:31,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:31,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:31,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:31,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:31,430 INFO L87 Difference]: Start difference. First operand 1556 states and 2148 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:33,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:33,781 INFO L93 Difference]: Finished difference Result 2856 states and 3993 transitions. [2021-11-19 05:20:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:33,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:33,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:33,784 INFO L225 Difference]: With dead ends: 2856 [2021-11-19 05:20:33,784 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:33,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:33,785 INFO L933 BasicCegarLoop]: 1082 mSDtfsCounter, 6332 mSDsluCounter, 3476 mSDsCounter, 0 mSdLazyCounter, 3811 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6332 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 3811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:33,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6332 Valid, 4558 Invalid, 3990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 3811 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:20:33,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:34,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4053700065487884) internal successors, (2146), 1555 states have internal predecessors, (2146), 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) [2021-11-19 05:20:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2146 transitions. [2021-11-19 05:20:34,006 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2146 transitions. Word has length 112 [2021-11-19 05:20:34,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:34,007 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2146 transitions. [2021-11-19 05:20:34,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2146 transitions. [2021-11-19 05:20:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:34,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:34,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:34,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-19 05:20:34,009 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:34,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:34,010 INFO L85 PathProgramCache]: Analyzing trace with hash 497655822, now seen corresponding path program 1 times [2021-11-19 05:20:34,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:34,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185927277] [2021-11-19 05:20:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:34,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:34,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:34,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185927277] [2021-11-19 05:20:34,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185927277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:34,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:34,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:34,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472979605] [2021-11-19 05:20:34,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:34,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:34,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:34,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:34,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:34,127 INFO L87 Difference]: Start difference. First operand 1556 states and 2146 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:36,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:36,491 INFO L93 Difference]: Finished difference Result 2938 states and 4114 transitions. [2021-11-19 05:20:36,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:36,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:36,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:36,494 INFO L225 Difference]: With dead ends: 2938 [2021-11-19 05:20:36,495 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:20:36,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:36,496 INFO L933 BasicCegarLoop]: 1280 mSDtfsCounter, 5052 mSDsluCounter, 3921 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5052 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 4288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:36,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5052 Valid, 5201 Invalid, 4288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:20:36,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:20:36,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:20:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.404060248853962) internal successors, (2144), 1555 states have internal predecessors, (2144), 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) [2021-11-19 05:20:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2144 transitions. [2021-11-19 05:20:36,744 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2144 transitions. Word has length 112 [2021-11-19 05:20:36,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:36,744 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2144 transitions. [2021-11-19 05:20:36,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2144 transitions. [2021-11-19 05:20:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:36,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:36,746 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:36,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-19 05:20:36,746 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:36,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:36,746 INFO L85 PathProgramCache]: Analyzing trace with hash -2033282967, now seen corresponding path program 1 times [2021-11-19 05:20:36,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:36,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844260635] [2021-11-19 05:20:36,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:36,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:36,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:36,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844260635] [2021-11-19 05:20:36,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844260635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:36,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:36,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:36,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592832453] [2021-11-19 05:20:36,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:36,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:36,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:36,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:36,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:36,874 INFO L87 Difference]: Start difference. First operand 1556 states and 2144 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:39,286 INFO L93 Difference]: Finished difference Result 2856 states and 3989 transitions. [2021-11-19 05:20:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:39,286 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:39,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:39,289 INFO L225 Difference]: With dead ends: 2856 [2021-11-19 05:20:39,290 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:39,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:39,291 INFO L933 BasicCegarLoop]: 1159 mSDtfsCounter, 6187 mSDsluCounter, 3705 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6187 SdHoareTripleChecker+Valid, 4864 SdHoareTripleChecker+Invalid, 4220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:39,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6187 Valid, 4864 Invalid, 4220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 4044 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:20:39,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:39,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4027504911591355) internal successors, (2142), 1555 states have internal predecessors, (2142), 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) [2021-11-19 05:20:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2142 transitions. [2021-11-19 05:20:39,525 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2142 transitions. Word has length 112 [2021-11-19 05:20:39,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:39,525 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2142 transitions. [2021-11-19 05:20:39,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2142 transitions. [2021-11-19 05:20:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:39,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:39,527 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:39,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-19 05:20:39,527 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:39,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:39,527 INFO L85 PathProgramCache]: Analyzing trace with hash 490788464, now seen corresponding path program 1 times [2021-11-19 05:20:39,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:39,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888414135] [2021-11-19 05:20:39,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:39,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:39,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:39,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888414135] [2021-11-19 05:20:39,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888414135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:39,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:39,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:39,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556567856] [2021-11-19 05:20:39,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:39,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:39,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:39,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:39,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:39,645 INFO L87 Difference]: Start difference. First operand 1556 states and 2142 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:42,119 INFO L93 Difference]: Finished difference Result 2856 states and 3987 transitions. [2021-11-19 05:20:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:42,119 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:42,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:42,121 INFO L225 Difference]: With dead ends: 2856 [2021-11-19 05:20:42,121 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:42,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:42,122 INFO L933 BasicCegarLoop]: 1175 mSDtfsCounter, 6579 mSDsluCounter, 3658 mSDsCounter, 0 mSdLazyCounter, 4035 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6579 SdHoareTripleChecker+Valid, 4833 SdHoareTripleChecker+Invalid, 4249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 4035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:42,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6579 Valid, 4833 Invalid, 4249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 4035 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:20:42,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:42,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.401440733464309) internal successors, (2140), 1555 states have internal predecessors, (2140), 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) [2021-11-19 05:20:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2140 transitions. [2021-11-19 05:20:42,355 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2140 transitions. Word has length 112 [2021-11-19 05:20:42,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:42,355 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2140 transitions. [2021-11-19 05:20:42,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2140 transitions. [2021-11-19 05:20:42,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:42,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:42,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:42,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-19 05:20:42,357 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:42,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:42,357 INFO L85 PathProgramCache]: Analyzing trace with hash 763145981, now seen corresponding path program 1 times [2021-11-19 05:20:42,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:42,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899758561] [2021-11-19 05:20:42,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:42,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:42,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:42,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899758561] [2021-11-19 05:20:42,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899758561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:42,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:42,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:42,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889558644] [2021-11-19 05:20:42,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:42,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:42,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:42,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:42,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:42,488 INFO L87 Difference]: Start difference. First operand 1556 states and 2140 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:45,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:45,194 INFO L93 Difference]: Finished difference Result 2850 states and 3976 transitions. [2021-11-19 05:20:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:45,195 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:45,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:45,197 INFO L225 Difference]: With dead ends: 2850 [2021-11-19 05:20:45,197 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:45,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:45,199 INFO L933 BasicCegarLoop]: 1107 mSDtfsCounter, 6268 mSDsluCounter, 4496 mSDsCounter, 0 mSdLazyCounter, 4595 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6268 SdHoareTripleChecker+Valid, 5603 SdHoareTripleChecker+Invalid, 4773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:45,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6268 Valid, 5603 Invalid, 4773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 4595 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:20:45,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:45,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4001309757694826) internal successors, (2138), 1555 states have internal predecessors, (2138), 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) [2021-11-19 05:20:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2138 transitions. [2021-11-19 05:20:45,464 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2138 transitions. Word has length 112 [2021-11-19 05:20:45,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:45,464 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2138 transitions. [2021-11-19 05:20:45,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2138 transitions. [2021-11-19 05:20:45,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:45,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:45,466 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:45,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-19 05:20:45,466 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:45,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:45,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1566983834, now seen corresponding path program 1 times [2021-11-19 05:20:45,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:45,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553922482] [2021-11-19 05:20:45,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:45,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:45,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:45,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553922482] [2021-11-19 05:20:45,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553922482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:45,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:45,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:45,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799988492] [2021-11-19 05:20:45,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:45,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:45,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:45,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:45,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:45,583 INFO L87 Difference]: Start difference. First operand 1556 states and 2138 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:48,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:48,007 INFO L93 Difference]: Finished difference Result 2916 states and 4069 transitions. [2021-11-19 05:20:48,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:48,008 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:48,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:48,010 INFO L225 Difference]: With dead ends: 2916 [2021-11-19 05:20:48,010 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:20:48,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:48,012 INFO L933 BasicCegarLoop]: 1280 mSDtfsCounter, 5040 mSDsluCounter, 3921 mSDsCounter, 0 mSdLazyCounter, 4177 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5040 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 4262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:48,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5040 Valid, 5201 Invalid, 4262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4177 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:20:48,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:20:48,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:20:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3994760969220694) internal successors, (2137), 1555 states have internal predecessors, (2137), 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) [2021-11-19 05:20:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2137 transitions. [2021-11-19 05:20:48,249 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2137 transitions. Word has length 112 [2021-11-19 05:20:48,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:48,250 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2137 transitions. [2021-11-19 05:20:48,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2137 transitions. [2021-11-19 05:20:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:48,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:48,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:48,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-19 05:20:48,251 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:48,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:48,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1792635559, now seen corresponding path program 1 times [2021-11-19 05:20:48,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:48,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119074477] [2021-11-19 05:20:48,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:48,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:48,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:48,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119074477] [2021-11-19 05:20:48,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119074477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:48,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:48,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:48,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655803058] [2021-11-19 05:20:48,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:48,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:48,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:48,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:48,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:48,389 INFO L87 Difference]: Start difference. First operand 1556 states and 2137 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:51,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:51,212 INFO L93 Difference]: Finished difference Result 2846 states and 3966 transitions. [2021-11-19 05:20:51,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:51,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:51,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:51,214 INFO L225 Difference]: With dead ends: 2846 [2021-11-19 05:20:51,215 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:51,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:51,216 INFO L933 BasicCegarLoop]: 1184 mSDtfsCounter, 6129 mSDsluCounter, 4721 mSDsCounter, 0 mSdLazyCounter, 4824 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6129 SdHoareTripleChecker+Valid, 5905 SdHoareTripleChecker+Invalid, 4999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:51,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6129 Valid, 5905 Invalid, 4999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4824 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:20:51,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:51,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3988212180746562) internal successors, (2136), 1555 states have internal predecessors, (2136), 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) [2021-11-19 05:20:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2136 transitions. [2021-11-19 05:20:51,454 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2136 transitions. Word has length 112 [2021-11-19 05:20:51,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:51,454 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2136 transitions. [2021-11-19 05:20:51,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2136 transitions. [2021-11-19 05:20:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:51,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:51,455 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:51,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-19 05:20:51,455 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:51,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:51,456 INFO L85 PathProgramCache]: Analyzing trace with hash -433532306, now seen corresponding path program 1 times [2021-11-19 05:20:51,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:51,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713645502] [2021-11-19 05:20:51,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:51,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:51,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:51,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713645502] [2021-11-19 05:20:51,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713645502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:51,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:51,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:51,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878902479] [2021-11-19 05:20:51,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:51,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:51,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:51,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:51,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:51,580 INFO L87 Difference]: Start difference. First operand 1556 states and 2136 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:54,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:54,230 INFO L93 Difference]: Finished difference Result 2846 states and 3965 transitions. [2021-11-19 05:20:54,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:54,231 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:54,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:54,233 INFO L225 Difference]: With dead ends: 2846 [2021-11-19 05:20:54,233 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:54,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:54,235 INFO L933 BasicCegarLoop]: 1206 mSDtfsCounter, 4771 mSDsluCounter, 4225 mSDsCounter, 0 mSdLazyCounter, 4422 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4771 SdHoareTripleChecker+Valid, 5431 SdHoareTripleChecker+Invalid, 4563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 4422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:54,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4771 Valid, 5431 Invalid, 4563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 4422 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:20:54,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:54,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.398166339227243) internal successors, (2135), 1555 states have internal predecessors, (2135), 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) [2021-11-19 05:20:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2135 transitions. [2021-11-19 05:20:54,480 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2135 transitions. Word has length 112 [2021-11-19 05:20:54,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:54,480 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2135 transitions. [2021-11-19 05:20:54,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2135 transitions. [2021-11-19 05:20:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:54,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:54,481 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:54,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-19 05:20:54,482 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:54,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:54,482 INFO L85 PathProgramCache]: Analyzing trace with hash 161225916, now seen corresponding path program 1 times [2021-11-19 05:20:54,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:54,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894690098] [2021-11-19 05:20:54,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:54,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:54,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:54,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894690098] [2021-11-19 05:20:54,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894690098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:54,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:54,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:54,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598982129] [2021-11-19 05:20:54,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:54,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:54,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:54,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:54,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:54,623 INFO L87 Difference]: Start difference. First operand 1556 states and 2135 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:57,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:20:57,452 INFO L93 Difference]: Finished difference Result 2842 states and 3959 transitions. [2021-11-19 05:20:57,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:20:57,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:20:57,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:20:57,455 INFO L225 Difference]: With dead ends: 2842 [2021-11-19 05:20:57,455 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:20:57,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:20:57,456 INFO L933 BasicCegarLoop]: 1184 mSDtfsCounter, 6116 mSDsluCounter, 4725 mSDsCounter, 0 mSdLazyCounter, 4811 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6116 SdHoareTripleChecker+Valid, 5909 SdHoareTripleChecker+Invalid, 4986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:20:57,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6116 Valid, 5909 Invalid, 4986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4811 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:20:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:20:57,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:20:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3975114603798298) internal successors, (2134), 1555 states have internal predecessors, (2134), 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) [2021-11-19 05:20:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2134 transitions. [2021-11-19 05:20:57,703 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2134 transitions. Word has length 112 [2021-11-19 05:20:57,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:20:57,704 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2134 transitions. [2021-11-19 05:20:57,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:20:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2134 transitions. [2021-11-19 05:20:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:20:57,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:20:57,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:20:57,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-19 05:20:57,706 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:20:57,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:20:57,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1495757083, now seen corresponding path program 1 times [2021-11-19 05:20:57,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:20:57,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984367294] [2021-11-19 05:20:57,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:20:57,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:20:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:20:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:20:57,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:20:57,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984367294] [2021-11-19 05:20:57,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984367294] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:20:57,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:20:57,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:20:57,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977892600] [2021-11-19 05:20:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:20:57,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:20:57,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:20:57,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:20:57,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:20:57,833 INFO L87 Difference]: Start difference. First operand 1556 states and 2134 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:00,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:00,528 INFO L93 Difference]: Finished difference Result 2846 states and 3962 transitions. [2021-11-19 05:21:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:00,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:21:00,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:00,530 INFO L225 Difference]: With dead ends: 2846 [2021-11-19 05:21:00,530 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:00,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:00,531 INFO L933 BasicCegarLoop]: 1201 mSDtfsCounter, 4892 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 4065 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4892 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 4223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 4065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:00,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4892 Valid, 4937 Invalid, 4223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 4065 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:21:00,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:00,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3968565815324165) internal successors, (2133), 1555 states have internal predecessors, (2133), 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) [2021-11-19 05:21:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2133 transitions. [2021-11-19 05:21:00,788 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2133 transitions. Word has length 112 [2021-11-19 05:21:00,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:00,788 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2133 transitions. [2021-11-19 05:21:00,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2133 transitions. [2021-11-19 05:21:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:21:00,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:00,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:00,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-19 05:21:00,790 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:00,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:00,791 INFO L85 PathProgramCache]: Analyzing trace with hash -898327691, now seen corresponding path program 1 times [2021-11-19 05:21:00,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:00,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592400174] [2021-11-19 05:21:00,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:00,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:00,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:00,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592400174] [2021-11-19 05:21:00,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592400174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:00,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:00,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:00,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541511461] [2021-11-19 05:21:00,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:00,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:00,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:00,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:00,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:00,926 INFO L87 Difference]: Start difference. First operand 1556 states and 2133 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:03,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:03,961 INFO L93 Difference]: Finished difference Result 2842 states and 3956 transitions. [2021-11-19 05:21:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:03,962 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:21:03,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:03,964 INFO L225 Difference]: With dead ends: 2842 [2021-11-19 05:21:03,964 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:03,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:03,965 INFO L933 BasicCegarLoop]: 1188 mSDtfsCounter, 6104 mSDsluCounter, 4737 mSDsCounter, 0 mSdLazyCounter, 4796 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6104 SdHoareTripleChecker+Valid, 5925 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:03,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6104 Valid, 5925 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4796 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 05:21:03,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:04,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3962017026850033) internal successors, (2132), 1555 states have internal predecessors, (2132), 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) [2021-11-19 05:21:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2132 transitions. [2021-11-19 05:21:04,245 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2132 transitions. Word has length 112 [2021-11-19 05:21:04,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:04,246 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2132 transitions. [2021-11-19 05:21:04,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2132 transitions. [2021-11-19 05:21:04,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:21:04,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:04,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:04,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-19 05:21:04,247 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:04,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:04,248 INFO L85 PathProgramCache]: Analyzing trace with hash -386581842, now seen corresponding path program 1 times [2021-11-19 05:21:04,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:04,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532035249] [2021-11-19 05:21:04,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:04,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:04,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:04,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532035249] [2021-11-19 05:21:04,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532035249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:04,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:04,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:04,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608509775] [2021-11-19 05:21:04,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:04,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:04,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:04,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:04,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:04,358 INFO L87 Difference]: Start difference. First operand 1556 states and 2132 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:06,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:06,875 INFO L93 Difference]: Finished difference Result 2842 states and 3955 transitions. [2021-11-19 05:21:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:06,875 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:21:06,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:06,878 INFO L225 Difference]: With dead ends: 2842 [2021-11-19 05:21:06,878 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:06,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:06,879 INFO L933 BasicCegarLoop]: 1201 mSDtfsCounter, 3344 mSDsluCounter, 3744 mSDsCounter, 0 mSdLazyCounter, 4055 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 4945 SdHoareTripleChecker+Invalid, 4161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 4055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:06,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 4945 Invalid, 4161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 4055 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:21:06,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:07,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.39554682383759) internal successors, (2131), 1555 states have internal predecessors, (2131), 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) [2021-11-19 05:21:07,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2131 transitions. [2021-11-19 05:21:07,143 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2131 transitions. Word has length 112 [2021-11-19 05:21:07,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:07,143 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2131 transitions. [2021-11-19 05:21:07,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2131 transitions. [2021-11-19 05:21:07,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:21:07,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:07,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:07,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-19 05:21:07,145 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:07,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:07,145 INFO L85 PathProgramCache]: Analyzing trace with hash 383560902, now seen corresponding path program 1 times [2021-11-19 05:21:07,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:07,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065254913] [2021-11-19 05:21:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:07,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:07,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:07,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065254913] [2021-11-19 05:21:07,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065254913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:07,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:07,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:07,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153498692] [2021-11-19 05:21:07,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:07,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:07,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:07,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:07,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:07,267 INFO L87 Difference]: Start difference. First operand 1556 states and 2131 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:09,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:09,921 INFO L93 Difference]: Finished difference Result 2846 states and 3956 transitions. [2021-11-19 05:21:09,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:09,922 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:21:09,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:09,924 INFO L225 Difference]: With dead ends: 2846 [2021-11-19 05:21:09,924 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:09,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:09,925 INFO L933 BasicCegarLoop]: 1206 mSDtfsCounter, 4755 mSDsluCounter, 4229 mSDsCounter, 0 mSdLazyCounter, 4382 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4755 SdHoareTripleChecker+Valid, 5435 SdHoareTripleChecker+Invalid, 4523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 4382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:09,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4755 Valid, 5435 Invalid, 4523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 4382 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:21:09,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:10,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3948919449901769) internal successors, (2130), 1555 states have internal predecessors, (2130), 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) [2021-11-19 05:21:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2130 transitions. [2021-11-19 05:21:10,187 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2130 transitions. Word has length 112 [2021-11-19 05:21:10,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:10,188 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2130 transitions. [2021-11-19 05:21:10,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2130 transitions. [2021-11-19 05:21:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:21:10,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:10,190 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:10,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-19 05:21:10,191 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:10,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:10,191 INFO L85 PathProgramCache]: Analyzing trace with hash 699413483, now seen corresponding path program 1 times [2021-11-19 05:21:10,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:10,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085086684] [2021-11-19 05:21:10,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:10,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:10,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:10,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085086684] [2021-11-19 05:21:10,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085086684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:10,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:10,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:10,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809763200] [2021-11-19 05:21:10,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:10,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:10,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:10,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:10,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:10,320 INFO L87 Difference]: Start difference. First operand 1556 states and 2130 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:13,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:13,455 INFO L93 Difference]: Finished difference Result 2842 states and 3951 transitions. [2021-11-19 05:21:13,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:13,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:21:13,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:13,458 INFO L225 Difference]: With dead ends: 2842 [2021-11-19 05:21:13,458 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:13,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:13,459 INFO L933 BasicCegarLoop]: 1188 mSDtfsCounter, 6093 mSDsluCounter, 4738 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6093 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 4943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:13,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6093 Valid, 5926 Invalid, 4943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 05:21:13,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3942370661427637) internal successors, (2129), 1555 states have internal predecessors, (2129), 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) [2021-11-19 05:21:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2129 transitions. [2021-11-19 05:21:13,746 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2129 transitions. Word has length 112 [2021-11-19 05:21:13,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:13,746 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2129 transitions. [2021-11-19 05:21:13,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2129 transitions. [2021-11-19 05:21:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:21:13,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:13,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:13,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-19 05:21:13,748 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:13,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:13,749 INFO L85 PathProgramCache]: Analyzing trace with hash -70692188, now seen corresponding path program 1 times [2021-11-19 05:21:13,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:13,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370155618] [2021-11-19 05:21:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:13,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:13,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:13,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370155618] [2021-11-19 05:21:13,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370155618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:13,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:13,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:13,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411631162] [2021-11-19 05:21:13,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:13,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:13,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:13,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:13,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:13,862 INFO L87 Difference]: Start difference. First operand 1556 states and 2129 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:16,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:16,456 INFO L93 Difference]: Finished difference Result 2842 states and 3950 transitions. [2021-11-19 05:21:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:16,456 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:21:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:16,460 INFO L225 Difference]: With dead ends: 2842 [2021-11-19 05:21:16,460 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:16,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:16,462 INFO L933 BasicCegarLoop]: 1252 mSDtfsCounter, 6117 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 4219 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6117 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 4426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 4219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:16,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6117 Valid, 5149 Invalid, 4426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 4219 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:21:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:16,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3935821872953504) internal successors, (2128), 1555 states have internal predecessors, (2128), 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) [2021-11-19 05:21:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2128 transitions. [2021-11-19 05:21:16,745 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2128 transitions. Word has length 112 [2021-11-19 05:21:16,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:16,745 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2128 transitions. [2021-11-19 05:21:16,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:16,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2128 transitions. [2021-11-19 05:21:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 05:21:16,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:16,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:16,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-19 05:21:16,747 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:16,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:16,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1966983208, now seen corresponding path program 1 times [2021-11-19 05:21:16,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:16,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359962581] [2021-11-19 05:21:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:16,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:16,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:16,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359962581] [2021-11-19 05:21:16,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359962581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:16,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:16,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:16,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93486376] [2021-11-19 05:21:16,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:16,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:16,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:16,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:16,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:16,861 INFO L87 Difference]: Start difference. First operand 1556 states and 2128 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:19,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:19,473 INFO L93 Difference]: Finished difference Result 2842 states and 3948 transitions. [2021-11-19 05:21:19,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:19,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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 112 [2021-11-19 05:21:19,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:19,476 INFO L225 Difference]: With dead ends: 2842 [2021-11-19 05:21:19,476 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:19,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:19,477 INFO L933 BasicCegarLoop]: 1201 mSDtfsCounter, 4868 mSDsluCounter, 3746 mSDsCounter, 0 mSdLazyCounter, 4021 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4868 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 4180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 4021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:19,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4868 Valid, 4947 Invalid, 4180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 4021 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:21:19,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:19,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3929273084479372) internal successors, (2127), 1555 states have internal predecessors, (2127), 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) [2021-11-19 05:21:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2127 transitions. [2021-11-19 05:21:19,744 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2127 transitions. Word has length 112 [2021-11-19 05:21:19,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:19,744 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2127 transitions. [2021-11-19 05:21:19,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 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) [2021-11-19 05:21:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2127 transitions. [2021-11-19 05:21:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-19 05:21:19,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:19,746 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:19,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-19 05:21:19,746 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:19,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:19,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1604204881, now seen corresponding path program 1 times [2021-11-19 05:21:19,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:19,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959539300] [2021-11-19 05:21:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:19,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:19,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:19,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959539300] [2021-11-19 05:21:19,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959539300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:19,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:19,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:19,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102006343] [2021-11-19 05:21:19,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:19,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:19,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:19,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:19,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:19,872 INFO L87 Difference]: Start difference. First operand 1556 states and 2127 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:22,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:22,700 INFO L93 Difference]: Finished difference Result 2848 states and 3955 transitions. [2021-11-19 05:21:22,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:22,700 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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 113 [2021-11-19 05:21:22,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:22,702 INFO L225 Difference]: With dead ends: 2848 [2021-11-19 05:21:22,702 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:22,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:22,703 INFO L933 BasicCegarLoop]: 1133 mSDtfsCounter, 6177 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 4569 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6177 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:22,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6177 Valid, 5708 Invalid, 4746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4569 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:21:22,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:22,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3916175507531108) internal successors, (2125), 1555 states have internal predecessors, (2125), 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) [2021-11-19 05:21:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2125 transitions. [2021-11-19 05:21:22,985 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2125 transitions. Word has length 113 [2021-11-19 05:21:22,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:22,985 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2125 transitions. [2021-11-19 05:21:22,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:22,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2125 transitions. [2021-11-19 05:21:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-19 05:21:22,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:22,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:22,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-19 05:21:22,987 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:22,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash -445136554, now seen corresponding path program 1 times [2021-11-19 05:21:22,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:22,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492960443] [2021-11-19 05:21:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:22,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:23,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:23,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492960443] [2021-11-19 05:21:23,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492960443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:23,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:23,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:23,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954119639] [2021-11-19 05:21:23,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:23,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:23,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:23,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:23,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:23,113 INFO L87 Difference]: Start difference. First operand 1556 states and 2125 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:25,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:25,737 INFO L93 Difference]: Finished difference Result 2840 states and 3942 transitions. [2021-11-19 05:21:25,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:25,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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 113 [2021-11-19 05:21:25,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:25,740 INFO L225 Difference]: With dead ends: 2840 [2021-11-19 05:21:25,740 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:25,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:25,741 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 4814 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 4201 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4814 SdHoareTripleChecker+Valid, 5241 SdHoareTripleChecker+Invalid, 4343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:25,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4814 Valid, 5241 Invalid, 4343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 4201 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:21:25,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:26,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3909626719056976) internal successors, (2124), 1555 states have internal predecessors, (2124), 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) [2021-11-19 05:21:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2124 transitions. [2021-11-19 05:21:26,045 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2124 transitions. Word has length 113 [2021-11-19 05:21:26,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:26,045 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2124 transitions. [2021-11-19 05:21:26,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2124 transitions. [2021-11-19 05:21:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-19 05:21:26,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:26,048 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:26,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-19 05:21:26,048 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:26,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:26,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1804423120, now seen corresponding path program 1 times [2021-11-19 05:21:26,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:26,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107099382] [2021-11-19 05:21:26,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:26,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:26,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:26,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107099382] [2021-11-19 05:21:26,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107099382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:26,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:26,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:26,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530436946] [2021-11-19 05:21:26,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:26,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:26,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:26,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:26,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:26,176 INFO L87 Difference]: Start difference. First operand 1556 states and 2124 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:29,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:29,165 INFO L93 Difference]: Finished difference Result 2841 states and 3942 transitions. [2021-11-19 05:21:29,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:29,166 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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 113 [2021-11-19 05:21:29,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:29,168 INFO L225 Difference]: With dead ends: 2841 [2021-11-19 05:21:29,169 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:29,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:29,170 INFO L933 BasicCegarLoop]: 1133 mSDtfsCounter, 6169 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 4561 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:29,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6169 Valid, 5708 Invalid, 4738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4561 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 05:21:29,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:29,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3903077930582841) internal successors, (2123), 1555 states have internal predecessors, (2123), 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) [2021-11-19 05:21:29,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2123 transitions. [2021-11-19 05:21:29,457 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2123 transitions. Word has length 113 [2021-11-19 05:21:29,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:29,457 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2123 transitions. [2021-11-19 05:21:29,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:29,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2123 transitions. [2021-11-19 05:21:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-19 05:21:29,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:29,459 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:29,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-19 05:21:29,459 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:29,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:29,460 INFO L85 PathProgramCache]: Analyzing trace with hash 594542364, now seen corresponding path program 1 times [2021-11-19 05:21:29,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:29,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611745364] [2021-11-19 05:21:29,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:29,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:29,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:29,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611745364] [2021-11-19 05:21:29,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611745364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:29,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:29,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:29,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847447505] [2021-11-19 05:21:29,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:29,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:29,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:29,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:29,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:29,587 INFO L87 Difference]: Start difference. First operand 1556 states and 2123 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:32,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:32,728 INFO L93 Difference]: Finished difference Result 2841 states and 3941 transitions. [2021-11-19 05:21:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:32,729 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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 113 [2021-11-19 05:21:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:32,731 INFO L225 Difference]: With dead ends: 2841 [2021-11-19 05:21:32,731 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:32,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:32,732 INFO L933 BasicCegarLoop]: 1200 mSDtfsCounter, 6056 mSDsluCounter, 4774 mSDsCounter, 0 mSdLazyCounter, 4732 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6056 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 4907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:32,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6056 Valid, 5974 Invalid, 4907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4732 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 05:21:32,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:33,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.389652914210871) internal successors, (2122), 1555 states have internal predecessors, (2122), 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) [2021-11-19 05:21:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2122 transitions. [2021-11-19 05:21:33,019 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2122 transitions. Word has length 113 [2021-11-19 05:21:33,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:33,020 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2122 transitions. [2021-11-19 05:21:33,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2122 transitions. [2021-11-19 05:21:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-19 05:21:33,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:33,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:33,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-19 05:21:33,022 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:33,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:33,022 INFO L85 PathProgramCache]: Analyzing trace with hash -586781953, now seen corresponding path program 1 times [2021-11-19 05:21:33,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:33,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082549234] [2021-11-19 05:21:33,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:33,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:33,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:33,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082549234] [2021-11-19 05:21:33,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082549234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:33,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:33,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:33,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448522395] [2021-11-19 05:21:33,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:33,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:33,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:33,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:33,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:33,135 INFO L87 Difference]: Start difference. First operand 1556 states and 2122 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:35,722 INFO L93 Difference]: Finished difference Result 2841 states and 3940 transitions. [2021-11-19 05:21:35,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:35,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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 113 [2021-11-19 05:21:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:35,725 INFO L225 Difference]: With dead ends: 2841 [2021-11-19 05:21:35,725 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:35,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:35,726 INFO L933 BasicCegarLoop]: 1201 mSDtfsCounter, 4852 mSDsluCounter, 3746 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4852 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 4159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:35,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4852 Valid, 4947 Invalid, 4159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:21:35,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:36,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3889980353634577) internal successors, (2121), 1555 states have internal predecessors, (2121), 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) [2021-11-19 05:21:36,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2121 transitions. [2021-11-19 05:21:36,019 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2121 transitions. Word has length 113 [2021-11-19 05:21:36,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:36,019 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2121 transitions. [2021-11-19 05:21:36,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:36,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2121 transitions. [2021-11-19 05:21:36,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-19 05:21:36,020 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:36,020 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:36,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-19 05:21:36,021 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:36,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash -187673128, now seen corresponding path program 1 times [2021-11-19 05:21:36,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:36,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383859029] [2021-11-19 05:21:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:36,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:36,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:36,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383859029] [2021-11-19 05:21:36,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383859029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:36,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:36,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:36,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091181315] [2021-11-19 05:21:36,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:36,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:36,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:36,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:36,155 INFO L87 Difference]: Start difference. First operand 1556 states and 2121 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:39,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:39,036 INFO L93 Difference]: Finished difference Result 2840 states and 3937 transitions. [2021-11-19 05:21:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:39,036 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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 113 [2021-11-19 05:21:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:39,039 INFO L225 Difference]: With dead ends: 2840 [2021-11-19 05:21:39,039 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:39,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:39,040 INFO L933 BasicCegarLoop]: 1124 mSDtfsCounter, 6209 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 4529 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6209 SdHoareTripleChecker+Valid, 5685 SdHoareTripleChecker+Invalid, 4706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:39,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6209 Valid, 5685 Invalid, 4706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4529 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 05:21:39,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:39,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3883431565160445) internal successors, (2120), 1555 states have internal predecessors, (2120), 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) [2021-11-19 05:21:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2120 transitions. [2021-11-19 05:21:39,353 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2120 transitions. Word has length 113 [2021-11-19 05:21:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:39,353 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2120 transitions. [2021-11-19 05:21:39,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 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) [2021-11-19 05:21:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2120 transitions. [2021-11-19 05:21:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:21:39,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:39,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:39,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-19 05:21:39,356 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:39,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1576784758, now seen corresponding path program 1 times [2021-11-19 05:21:39,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:39,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414223437] [2021-11-19 05:21:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:39,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:39,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:39,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414223437] [2021-11-19 05:21:39,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414223437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:39,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:39,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:39,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286480710] [2021-11-19 05:21:39,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:39,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:39,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:39,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:39,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:39,477 INFO L87 Difference]: Start difference. First operand 1556 states and 2120 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:42,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:42,099 INFO L93 Difference]: Finished difference Result 2685 states and 3695 transitions. [2021-11-19 05:21:42,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:42,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:21:42,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:42,102 INFO L225 Difference]: With dead ends: 2685 [2021-11-19 05:21:42,102 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:21:42,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:42,103 INFO L933 BasicCegarLoop]: 1201 mSDtfsCounter, 4856 mSDsluCounter, 3726 mSDsCounter, 0 mSdLazyCounter, 3981 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4856 SdHoareTripleChecker+Valid, 4927 SdHoareTripleChecker+Invalid, 4140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 3981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:42,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4856 Valid, 4927 Invalid, 4140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 3981 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:21:42,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:21:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:21:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.387033398821218) internal successors, (2118), 1555 states have internal predecessors, (2118), 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) [2021-11-19 05:21:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2118 transitions. [2021-11-19 05:21:42,399 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2118 transitions. Word has length 114 [2021-11-19 05:21:42,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:42,399 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2118 transitions. [2021-11-19 05:21:42,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2118 transitions. [2021-11-19 05:21:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:21:42,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:42,401 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:42,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-19 05:21:42,402 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:42,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:42,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1119709021, now seen corresponding path program 1 times [2021-11-19 05:21:42,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:42,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372276916] [2021-11-19 05:21:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:42,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:42,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:42,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372276916] [2021-11-19 05:21:42,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372276916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:42,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:42,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:42,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829387614] [2021-11-19 05:21:42,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:42,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:42,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:42,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:42,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:42,511 INFO L87 Difference]: Start difference. First operand 1556 states and 2118 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:45,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:45,244 INFO L93 Difference]: Finished difference Result 2584 states and 3535 transitions. [2021-11-19 05:21:45,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:45,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:21:45,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:45,247 INFO L225 Difference]: With dead ends: 2584 [2021-11-19 05:21:45,247 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:21:45,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:45,248 INFO L933 BasicCegarLoop]: 1002 mSDtfsCounter, 4995 mSDsluCounter, 3540 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4995 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 4113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:45,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4995 Valid, 4542 Invalid, 4113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:21:45,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:21:45,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:21:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3857236411263916) internal successors, (2116), 1555 states have internal predecessors, (2116), 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) [2021-11-19 05:21:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2116 transitions. [2021-11-19 05:21:45,555 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2116 transitions. Word has length 114 [2021-11-19 05:21:45,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:45,555 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2116 transitions. [2021-11-19 05:21:45,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2116 transitions. [2021-11-19 05:21:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:21:45,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:45,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:45,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-19 05:21:45,557 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:45,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:45,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1407290760, now seen corresponding path program 1 times [2021-11-19 05:21:45,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:45,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651873632] [2021-11-19 05:21:45,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:45,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:45,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:45,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651873632] [2021-11-19 05:21:45,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651873632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:45,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:45,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:45,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82884419] [2021-11-19 05:21:45,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:45,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:45,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:45,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:45,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:45,649 INFO L87 Difference]: Start difference. First operand 1556 states and 2116 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:48,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:48,295 INFO L93 Difference]: Finished difference Result 2584 states and 3533 transitions. [2021-11-19 05:21:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:48,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:21:48,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:48,297 INFO L225 Difference]: With dead ends: 2584 [2021-11-19 05:21:48,297 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:21:48,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:48,298 INFO L933 BasicCegarLoop]: 1069 mSDtfsCounter, 6565 mSDsluCounter, 3227 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6565 SdHoareTripleChecker+Valid, 4296 SdHoareTripleChecker+Invalid, 4112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:48,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6565 Valid, 4296 Invalid, 4112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 3697 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:21:48,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:21:48,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:21:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3844138834315651) internal successors, (2114), 1555 states have internal predecessors, (2114), 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) [2021-11-19 05:21:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2114 transitions. [2021-11-19 05:21:48,598 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2114 transitions. Word has length 114 [2021-11-19 05:21:48,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:48,598 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2114 transitions. [2021-11-19 05:21:48,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2114 transitions. [2021-11-19 05:21:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:21:48,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:48,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:48,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-19 05:21:48,600 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:48,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:48,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1733258973, now seen corresponding path program 1 times [2021-11-19 05:21:48,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:48,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120584107] [2021-11-19 05:21:48,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:48,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:48,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:48,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120584107] [2021-11-19 05:21:48,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120584107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:48,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:48,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:48,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838513644] [2021-11-19 05:21:48,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:48,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:48,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:48,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:48,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:48,712 INFO L87 Difference]: Start difference. First operand 1556 states and 2114 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:51,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:51,346 INFO L93 Difference]: Finished difference Result 2749 states and 3779 transitions. [2021-11-19 05:21:51,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:51,346 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:21:51,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:51,348 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:21:51,348 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:21:51,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:21:51,349 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 6683 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 3516 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6683 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 3933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 3516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:51,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6683 Valid, 4108 Invalid, 3933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 3516 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:21:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:21:51,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:21:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3831041257367387) internal successors, (2112), 1555 states have internal predecessors, (2112), 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) [2021-11-19 05:21:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2112 transitions. [2021-11-19 05:21:51,654 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2112 transitions. Word has length 114 [2021-11-19 05:21:51,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:51,654 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2112 transitions. [2021-11-19 05:21:51,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2112 transitions. [2021-11-19 05:21:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:21:51,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:51,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:51,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-19 05:21:51,656 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:51,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:51,657 INFO L85 PathProgramCache]: Analyzing trace with hash 781002783, now seen corresponding path program 1 times [2021-11-19 05:21:51,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:51,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551943701] [2021-11-19 05:21:51,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:51,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:51,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:51,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551943701] [2021-11-19 05:21:51,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551943701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:51,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:51,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:51,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230539958] [2021-11-19 05:21:51,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:51,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:51,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:51,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:51,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:51,770 INFO L87 Difference]: Start difference. First operand 1556 states and 2112 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:54,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:54,327 INFO L93 Difference]: Finished difference Result 2584 states and 3527 transitions. [2021-11-19 05:21:54,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:54,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:21:54,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:54,330 INFO L225 Difference]: With dead ends: 2584 [2021-11-19 05:21:54,330 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:21:54,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:54,331 INFO L933 BasicCegarLoop]: 1069 mSDtfsCounter, 3511 mSDsluCounter, 3227 mSDsCounter, 0 mSdLazyCounter, 3684 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3511 SdHoareTripleChecker+Valid, 4296 SdHoareTripleChecker+Invalid, 3890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 3684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:54,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3511 Valid, 4296 Invalid, 3890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 3684 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:21:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:21:54,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:21:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3817943680419122) internal successors, (2110), 1555 states have internal predecessors, (2110), 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) [2021-11-19 05:21:54,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2110 transitions. [2021-11-19 05:21:54,691 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2110 transitions. Word has length 114 [2021-11-19 05:21:54,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:54,691 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2110 transitions. [2021-11-19 05:21:54,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:54,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2110 transitions. [2021-11-19 05:21:54,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:21:54,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:54,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:54,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-19 05:21:54,693 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:54,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:54,694 INFO L85 PathProgramCache]: Analyzing trace with hash -372057349, now seen corresponding path program 1 times [2021-11-19 05:21:54,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:54,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157759398] [2021-11-19 05:21:54,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:54,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:54,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:54,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:54,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157759398] [2021-11-19 05:21:54,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157759398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:54,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:54,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:54,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375482155] [2021-11-19 05:21:54,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:54,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:54,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:54,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:54,806 INFO L87 Difference]: Start difference. First operand 1556 states and 2110 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:57,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:57,488 INFO L93 Difference]: Finished difference Result 2749 states and 3773 transitions. [2021-11-19 05:21:57,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:21:57,488 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:21:57,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:21:57,491 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:21:57,491 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:21:57,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:21:57,492 INFO L933 BasicCegarLoop]: 1057 mSDtfsCounter, 4875 mSDsluCounter, 3709 mSDsCounter, 0 mSdLazyCounter, 3992 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4875 SdHoareTripleChecker+Valid, 4766 SdHoareTripleChecker+Invalid, 4265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 3992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:21:57,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4875 Valid, 4766 Invalid, 4265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 3992 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:21:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:21:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:21:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3804846103470858) internal successors, (2108), 1555 states have internal predecessors, (2108), 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) [2021-11-19 05:21:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2108 transitions. [2021-11-19 05:21:57,809 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2108 transitions. Word has length 114 [2021-11-19 05:21:57,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:21:57,810 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2108 transitions. [2021-11-19 05:21:57,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:21:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2108 transitions. [2021-11-19 05:21:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:21:57,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:21:57,811 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:21:57,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-19 05:21:57,811 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:21:57,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:57,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1427393861, now seen corresponding path program 1 times [2021-11-19 05:21:57,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:57,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025826264] [2021-11-19 05:21:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:57,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:57,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:57,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:57,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025826264] [2021-11-19 05:21:57,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025826264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:57,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:57,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:21:57,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613117037] [2021-11-19 05:21:57,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:57,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:21:57,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:57,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:21:57,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:21:57,907 INFO L87 Difference]: Start difference. First operand 1556 states and 2108 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:00,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:00,731 INFO L93 Difference]: Finished difference Result 2749 states and 3771 transitions. [2021-11-19 05:22:00,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:00,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:00,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:00,739 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:22:00,739 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:00,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:00,740 INFO L933 BasicCegarLoop]: 1074 mSDtfsCounter, 4810 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 4294 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4810 SdHoareTripleChecker+Valid, 5167 SdHoareTripleChecker+Invalid, 4566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 4294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:00,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4810 Valid, 5167 Invalid, 4566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 4294 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:22:00,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:01,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:22:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3791748526522594) internal successors, (2106), 1555 states have internal predecessors, (2106), 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) [2021-11-19 05:22:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2106 transitions. [2021-11-19 05:22:01,059 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2106 transitions. Word has length 114 [2021-11-19 05:22:01,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:01,060 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2106 transitions. [2021-11-19 05:22:01,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2106 transitions. [2021-11-19 05:22:01,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:01,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:01,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:01,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-19 05:22:01,061 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:01,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:01,062 INFO L85 PathProgramCache]: Analyzing trace with hash 125619691, now seen corresponding path program 1 times [2021-11-19 05:22:01,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:01,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949487366] [2021-11-19 05:22:01,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:01,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:01,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:01,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949487366] [2021-11-19 05:22:01,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949487366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:01,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:01,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:01,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331095332] [2021-11-19 05:22:01,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:01,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:01,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:01,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:01,161 INFO L87 Difference]: Start difference. First operand 1556 states and 2106 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:03,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:03,747 INFO L93 Difference]: Finished difference Result 2584 states and 3517 transitions. [2021-11-19 05:22:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:03,758 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:03,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:03,760 INFO L225 Difference]: With dead ends: 2584 [2021-11-19 05:22:03,760 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:03,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:03,761 INFO L933 BasicCegarLoop]: 1069 mSDtfsCounter, 3507 mSDsluCounter, 3227 mSDsCounter, 0 mSdLazyCounter, 3662 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3507 SdHoareTripleChecker+Valid, 4296 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 3662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:03,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3507 Valid, 4296 Invalid, 3868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 3662 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:22:03,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:04,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:22:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.377865094957433) internal successors, (2104), 1555 states have internal predecessors, (2104), 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) [2021-11-19 05:22:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2104 transitions. [2021-11-19 05:22:04,081 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2104 transitions. Word has length 114 [2021-11-19 05:22:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:04,082 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2104 transitions. [2021-11-19 05:22:04,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2104 transitions. [2021-11-19 05:22:04,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:04,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:04,084 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:04,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-11-19 05:22:04,084 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:04,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:04,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1024663020, now seen corresponding path program 1 times [2021-11-19 05:22:04,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:04,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540862957] [2021-11-19 05:22:04,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:04,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:04,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:04,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540862957] [2021-11-19 05:22:04,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540862957] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:04,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:04,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:04,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269656325] [2021-11-19 05:22:04,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:04,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:04,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:04,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:04,183 INFO L87 Difference]: Start difference. First operand 1556 states and 2104 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:06,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:06,923 INFO L93 Difference]: Finished difference Result 2749 states and 3763 transitions. [2021-11-19 05:22:06,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:06,924 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:06,925 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:22:06,926 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:06,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:22:06,926 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 6347 mSDsluCounter, 3261 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6347 SdHoareTripleChecker+Valid, 4313 SdHoareTripleChecker+Invalid, 4091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 3678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:06,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6347 Valid, 4313 Invalid, 4091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 3678 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:06,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:07,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:22:07,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3765553372626065) internal successors, (2102), 1555 states have internal predecessors, (2102), 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) [2021-11-19 05:22:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2102 transitions. [2021-11-19 05:22:07,257 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2102 transitions. Word has length 114 [2021-11-19 05:22:07,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:07,257 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2102 transitions. [2021-11-19 05:22:07,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2102 transitions. [2021-11-19 05:22:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:07,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:07,259 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:07,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-19 05:22:07,259 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:07,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2079999532, now seen corresponding path program 1 times [2021-11-19 05:22:07,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:07,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556545578] [2021-11-19 05:22:07,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:07,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:07,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:07,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556545578] [2021-11-19 05:22:07,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556545578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:07,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:07,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:07,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181415879] [2021-11-19 05:22:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:07,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:07,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:07,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:07,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:07,359 INFO L87 Difference]: Start difference. First operand 1556 states and 2102 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:10,013 INFO L93 Difference]: Finished difference Result 2749 states and 3761 transitions. [2021-11-19 05:22:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:10,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:10,016 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:22:10,016 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:10,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:10,020 INFO L933 BasicCegarLoop]: 1129 mSDtfsCounter, 5995 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 3809 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5995 SdHoareTripleChecker+Valid, 4544 SdHoareTripleChecker+Invalid, 4146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 3809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:10,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5995 Valid, 4544 Invalid, 4146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 3809 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:10,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:10,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:22:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.37524557956778) internal successors, (2100), 1555 states have internal predecessors, (2100), 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) [2021-11-19 05:22:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2100 transitions. [2021-11-19 05:22:10,385 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2100 transitions. Word has length 114 [2021-11-19 05:22:10,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:10,385 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2100 transitions. [2021-11-19 05:22:10,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:10,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2100 transitions. [2021-11-19 05:22:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:10,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:10,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:10,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-19 05:22:10,388 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:10,388 INFO L85 PathProgramCache]: Analyzing trace with hash 791175181, now seen corresponding path program 1 times [2021-11-19 05:22:10,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:10,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048917640] [2021-11-19 05:22:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:10,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:10,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:10,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048917640] [2021-11-19 05:22:10,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048917640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:10,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:10,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:10,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442442549] [2021-11-19 05:22:10,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:10,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:10,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:10,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:10,510 INFO L87 Difference]: Start difference. First operand 1556 states and 2100 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:13,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:13,140 INFO L93 Difference]: Finished difference Result 2749 states and 3757 transitions. [2021-11-19 05:22:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:13,140 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:13,143 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:22:13,143 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:13,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:13,144 INFO L933 BasicCegarLoop]: 1074 mSDtfsCounter, 6097 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 3619 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6097 SdHoareTripleChecker+Valid, 4323 SdHoareTripleChecker+Invalid, 3958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 3619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:13,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6097 Valid, 4323 Invalid, 3958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 3619 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:22:13,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:13,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:22:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3739358218729536) internal successors, (2098), 1555 states have internal predecessors, (2098), 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) [2021-11-19 05:22:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2098 transitions. [2021-11-19 05:22:13,503 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2098 transitions. Word has length 114 [2021-11-19 05:22:13,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:13,503 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2098 transitions. [2021-11-19 05:22:13,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2098 transitions. [2021-11-19 05:22:13,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:13,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:13,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:13,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-11-19 05:22:13,505 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:13,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:13,506 INFO L85 PathProgramCache]: Analyzing trace with hash 145550882, now seen corresponding path program 1 times [2021-11-19 05:22:13,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:13,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408147359] [2021-11-19 05:22:13,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:13,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:13,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:13,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408147359] [2021-11-19 05:22:13,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408147359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:13,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:13,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:13,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787511067] [2021-11-19 05:22:13,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:13,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:13,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:13,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:13,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:13,600 INFO L87 Difference]: Start difference. First operand 1556 states and 2098 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:16,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:16,271 INFO L93 Difference]: Finished difference Result 2753 states and 3758 transitions. [2021-11-19 05:22:16,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:16,271 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:16,274 INFO L225 Difference]: With dead ends: 2753 [2021-11-19 05:22:16,274 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:16,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:22:16,275 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 6654 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 3459 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6654 SdHoareTripleChecker+Valid, 4104 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 3459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:16,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6654 Valid, 4104 Invalid, 3876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 3459 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:16,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:16,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2021-11-19 05:22:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.372626064178127) internal successors, (2096), 1555 states have internal predecessors, (2096), 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) [2021-11-19 05:22:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2096 transitions. [2021-11-19 05:22:16,614 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2096 transitions. Word has length 114 [2021-11-19 05:22:16,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:16,614 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2096 transitions. [2021-11-19 05:22:16,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2096 transitions. [2021-11-19 05:22:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:16,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:16,616 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:16,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-11-19 05:22:16,616 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:16,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:16,616 INFO L85 PathProgramCache]: Analyzing trace with hash 602626619, now seen corresponding path program 1 times [2021-11-19 05:22:16,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:16,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226041645] [2021-11-19 05:22:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:16,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:16,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:16,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226041645] [2021-11-19 05:22:16,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226041645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:16,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:16,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:16,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604548215] [2021-11-19 05:22:16,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:16,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:16,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:16,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:16,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:16,740 INFO L87 Difference]: Start difference. First operand 1556 states and 2096 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:19,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:19,506 INFO L93 Difference]: Finished difference Result 2858 states and 3919 transitions. [2021-11-19 05:22:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:19,506 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:19,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:19,509 INFO L225 Difference]: With dead ends: 2858 [2021-11-19 05:22:19,509 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 05:22:19,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:19,510 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 4775 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 4082 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4775 SdHoareTripleChecker+Valid, 5229 SdHoareTripleChecker+Invalid, 4224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:19,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4775 Valid, 5229 Invalid, 4224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 4082 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 05:22:19,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2021-11-19 05:22:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3713163064833005) internal successors, (2094), 1555 states have internal predecessors, (2094), 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) [2021-11-19 05:22:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2094 transitions. [2021-11-19 05:22:19,846 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2094 transitions. Word has length 114 [2021-11-19 05:22:19,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:19,847 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2094 transitions. [2021-11-19 05:22:19,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2094 transitions. [2021-11-19 05:22:19,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:19,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:19,848 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:19,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-11-19 05:22:19,849 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:19,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:19,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1363370540, now seen corresponding path program 1 times [2021-11-19 05:22:19,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:19,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254299550] [2021-11-19 05:22:19,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:19,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:19,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:19,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254299550] [2021-11-19 05:22:19,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254299550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:19,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:19,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:19,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595344802] [2021-11-19 05:22:19,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:19,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:19,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:19,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:19,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:19,942 INFO L87 Difference]: Start difference. First operand 1556 states and 2094 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:22,609 INFO L93 Difference]: Finished difference Result 2946 states and 4038 transitions. [2021-11-19 05:22:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:22,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:22,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:22,612 INFO L225 Difference]: With dead ends: 2946 [2021-11-19 05:22:22,612 INFO L226 Difference]: Without dead ends: 2716 [2021-11-19 05:22:22,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:22,613 INFO L933 BasicCegarLoop]: 1280 mSDtfsCounter, 4013 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 4027 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4013 SdHoareTripleChecker+Valid, 5232 SdHoareTripleChecker+Invalid, 4102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 4027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:22,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4013 Valid, 5232 Invalid, 4102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 4027 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:22:22,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-19 05:22:22,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2021-11-19 05:22:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.370006548788474) internal successors, (2092), 1555 states have internal predecessors, (2092), 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) [2021-11-19 05:22:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2092 transitions. [2021-11-19 05:22:22,955 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2092 transitions. Word has length 114 [2021-11-19 05:22:22,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:22,956 INFO L470 AbstractCegarLoop]: Abstraction has 1556 states and 2092 transitions. [2021-11-19 05:22:22,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2092 transitions. [2021-11-19 05:22:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:22,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:22,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:22,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-11-19 05:22:22,957 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:22,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:22,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1227739513, now seen corresponding path program 1 times [2021-11-19 05:22:22,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:22,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201661313] [2021-11-19 05:22:22,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:22,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:23,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:23,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201661313] [2021-11-19 05:22:23,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201661313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:23,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:23,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:22:23,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917301901] [2021-11-19 05:22:23,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:23,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:22:23,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:23,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:22:23,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:22:23,171 INFO L87 Difference]: Start difference. First operand 1556 states and 2092 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2021-11-19 05:22:27,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:27,990 INFO L93 Difference]: Finished difference Result 3554 states and 4936 transitions. [2021-11-19 05:22:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:22:27,991 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:27,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:27,994 INFO L225 Difference]: With dead ends: 3554 [2021-11-19 05:22:27,994 INFO L226 Difference]: Without dead ends: 3380 [2021-11-19 05:22:27,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:22:27,995 INFO L933 BasicCegarLoop]: 1080 mSDtfsCounter, 10368 mSDsluCounter, 4172 mSDsCounter, 0 mSdLazyCounter, 4593 mSolverCounterSat, 1529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10368 SdHoareTripleChecker+Valid, 5252 SdHoareTripleChecker+Invalid, 6122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1529 IncrementalHoareTripleChecker+Valid, 4593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:27,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10368 Valid, 5252 Invalid, 6122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1529 Valid, 4593 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 05:22:27,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2021-11-19 05:22:28,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 1564. [2021-11-19 05:22:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3680781758957654) internal successors, (2100), 1563 states have internal predecessors, (2100), 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) [2021-11-19 05:22:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2100 transitions. [2021-11-19 05:22:28,365 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2100 transitions. Word has length 114 [2021-11-19 05:22:28,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:28,365 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2100 transitions. [2021-11-19 05:22:28,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2021-11-19 05:22:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2100 transitions. [2021-11-19 05:22:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:28,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:28,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:28,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-19 05:22:28,367 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:28,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:28,367 INFO L85 PathProgramCache]: Analyzing trace with hash -558017131, now seen corresponding path program 1 times [2021-11-19 05:22:28,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:28,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003129447] [2021-11-19 05:22:28,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:28,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:28,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:28,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003129447] [2021-11-19 05:22:28,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003129447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:28,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:28,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:28,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349341314] [2021-11-19 05:22:28,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:28,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:28,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:28,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:28,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:28,489 INFO L87 Difference]: Start difference. First operand 1564 states and 2100 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:31,247 INFO L93 Difference]: Finished difference Result 2749 states and 3745 transitions. [2021-11-19 05:22:31,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:31,248 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:31,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:31,250 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:22:31,250 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:31,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:22:31,251 INFO L933 BasicCegarLoop]: 1009 mSDtfsCounter, 6597 mSDsluCounter, 3131 mSDsCounter, 0 mSdLazyCounter, 3467 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6597 SdHoareTripleChecker+Valid, 4140 SdHoareTripleChecker+Invalid, 3881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 3467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:31,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6597 Valid, 4140 Invalid, 3881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 3467 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:22:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3667752442996743) internal successors, (2098), 1563 states have internal predecessors, (2098), 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) [2021-11-19 05:22:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2098 transitions. [2021-11-19 05:22:31,625 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2098 transitions. Word has length 114 [2021-11-19 05:22:31,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:31,625 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2098 transitions. [2021-11-19 05:22:31,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2098 transitions. [2021-11-19 05:22:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:31,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:31,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:31,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-11-19 05:22:31,626 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:31,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:31,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1120510956, now seen corresponding path program 1 times [2021-11-19 05:22:31,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:31,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274845111] [2021-11-19 05:22:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:31,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:31,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:31,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274845111] [2021-11-19 05:22:31,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274845111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:31,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:31,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:31,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184083036] [2021-11-19 05:22:31,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:31,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:31,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:31,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:31,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:31,752 INFO L87 Difference]: Start difference. First operand 1564 states and 2098 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:34,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:34,765 INFO L93 Difference]: Finished difference Result 2753 states and 3748 transitions. [2021-11-19 05:22:34,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:34,765 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:34,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:34,768 INFO L225 Difference]: With dead ends: 2753 [2021-11-19 05:22:34,768 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:34,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:34,769 INFO L933 BasicCegarLoop]: 1011 mSDtfsCounter, 4894 mSDsluCounter, 3988 mSDsCounter, 0 mSdLazyCounter, 4078 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4894 SdHoareTripleChecker+Valid, 4999 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 4078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:34,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4894 Valid, 4999 Invalid, 4351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 4078 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:22:34,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:22:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.365472312703583) internal successors, (2096), 1563 states have internal predecessors, (2096), 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) [2021-11-19 05:22:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2096 transitions. [2021-11-19 05:22:35,138 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2096 transitions. Word has length 114 [2021-11-19 05:22:35,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:35,138 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2096 transitions. [2021-11-19 05:22:35,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2096 transitions. [2021-11-19 05:22:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:35,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:35,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:35,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-11-19 05:22:35,140 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:35,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:35,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1577586693, now seen corresponding path program 1 times [2021-11-19 05:22:35,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:35,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065816563] [2021-11-19 05:22:35,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:35,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:35,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:35,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:35,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065816563] [2021-11-19 05:22:35,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065816563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:35,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:35,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:35,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474222735] [2021-11-19 05:22:35,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:35,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:35,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:35,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:35,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:35,247 INFO L87 Difference]: Start difference. First operand 1564 states and 2096 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:38,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:38,100 INFO L93 Difference]: Finished difference Result 2866 states and 3917 transitions. [2021-11-19 05:22:38,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:38,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:38,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:38,103 INFO L225 Difference]: With dead ends: 2866 [2021-11-19 05:22:38,103 INFO L226 Difference]: Without dead ends: 2676 [2021-11-19 05:22:38,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:38,106 INFO L933 BasicCegarLoop]: 1279 mSDtfsCounter, 3158 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 4136 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3158 SdHoareTripleChecker+Valid, 5233 SdHoareTripleChecker+Invalid, 4239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 4136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:38,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3158 Valid, 5233 Invalid, 4239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 4136 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:22:38,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2021-11-19 05:22:38,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 1564. [2021-11-19 05:22:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3641693811074918) internal successors, (2094), 1563 states have internal predecessors, (2094), 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) [2021-11-19 05:22:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2094 transitions. [2021-11-19 05:22:38,503 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2094 transitions. Word has length 114 [2021-11-19 05:22:38,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:38,503 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2094 transitions. [2021-11-19 05:22:38,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:38,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2094 transitions. [2021-11-19 05:22:38,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:38,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:38,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:38,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-11-19 05:22:38,505 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:38,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:38,505 INFO L85 PathProgramCache]: Analyzing trace with hash -982382893, now seen corresponding path program 1 times [2021-11-19 05:22:38,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:38,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178847316] [2021-11-19 05:22:38,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:38,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:38,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:38,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:38,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178847316] [2021-11-19 05:22:38,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178847316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:38,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:38,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:38,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069156158] [2021-11-19 05:22:38,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:38,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:38,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:38,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:38,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:38,614 INFO L87 Difference]: Start difference. First operand 1564 states and 2094 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:41,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:41,470 INFO L93 Difference]: Finished difference Result 2753 states and 3744 transitions. [2021-11-19 05:22:41,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:41,470 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:41,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:41,473 INFO L225 Difference]: With dead ends: 2753 [2021-11-19 05:22:41,473 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:41,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:41,474 INFO L933 BasicCegarLoop]: 1024 mSDtfsCounter, 4868 mSDsluCounter, 3599 mSDsCounter, 0 mSdLazyCounter, 3783 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4868 SdHoareTripleChecker+Valid, 4623 SdHoareTripleChecker+Invalid, 4055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 3783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:41,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4868 Valid, 4623 Invalid, 4055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 3783 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:41,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:22:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3628664495114007) internal successors, (2092), 1563 states have internal predecessors, (2092), 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) [2021-11-19 05:22:41,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2092 transitions. [2021-11-19 05:22:41,875 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2092 transitions. Word has length 114 [2021-11-19 05:22:41,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:41,876 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2092 transitions. [2021-11-19 05:22:41,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2092 transitions. [2021-11-19 05:22:41,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:41,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:41,877 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:41,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-11-19 05:22:41,877 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:41,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:41,878 INFO L85 PathProgramCache]: Analyzing trace with hash -525307156, now seen corresponding path program 1 times [2021-11-19 05:22:41,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:41,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143041950] [2021-11-19 05:22:41,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:41,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:42,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:42,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143041950] [2021-11-19 05:22:42,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143041950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:42,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:42,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:42,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859070353] [2021-11-19 05:22:42,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:42,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:42,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:42,002 INFO L87 Difference]: Start difference. First operand 1564 states and 2092 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:45,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:45,072 INFO L93 Difference]: Finished difference Result 2866 states and 3909 transitions. [2021-11-19 05:22:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:45,072 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:45,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:45,075 INFO L225 Difference]: With dead ends: 2866 [2021-11-19 05:22:45,075 INFO L226 Difference]: Without dead ends: 2676 [2021-11-19 05:22:45,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:45,076 INFO L933 BasicCegarLoop]: 1237 mSDtfsCounter, 4585 mSDsluCounter, 4771 mSDsCounter, 0 mSdLazyCounter, 4606 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4585 SdHoareTripleChecker+Valid, 6008 SdHoareTripleChecker+Invalid, 4745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 4606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:45,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4585 Valid, 6008 Invalid, 4745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 4606 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:22:45,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2021-11-19 05:22:45,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 1564. [2021-11-19 05:22:45,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3615635179153094) internal successors, (2090), 1563 states have internal predecessors, (2090), 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) [2021-11-19 05:22:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2090 transitions. [2021-11-19 05:22:45,455 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2090 transitions. Word has length 114 [2021-11-19 05:22:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:45,455 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2090 transitions. [2021-11-19 05:22:45,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2090 transitions. [2021-11-19 05:22:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:45,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:45,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:45,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-11-19 05:22:45,457 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:45,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:45,457 INFO L85 PathProgramCache]: Analyzing trace with hash 964333934, now seen corresponding path program 1 times [2021-11-19 05:22:45,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:45,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253601213] [2021-11-19 05:22:45,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:45,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:45,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:45,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253601213] [2021-11-19 05:22:45,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253601213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:45,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:45,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:45,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061514760] [2021-11-19 05:22:45,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:45,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:45,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:45,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:45,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:45,554 INFO L87 Difference]: Start difference. First operand 1564 states and 2090 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:48,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:48,344 INFO L93 Difference]: Finished difference Result 2753 states and 3740 transitions. [2021-11-19 05:22:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:48,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:48,347 INFO L225 Difference]: With dead ends: 2753 [2021-11-19 05:22:48,347 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:48,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:48,348 INFO L933 BasicCegarLoop]: 1104 mSDtfsCounter, 4884 mSDsluCounter, 3330 mSDsCounter, 0 mSdLazyCounter, 3663 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4884 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 3968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 3663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:48,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4884 Valid, 4434 Invalid, 3968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 3663 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:22:48,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:48,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:22:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3602605863192183) internal successors, (2088), 1563 states have internal predecessors, (2088), 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) [2021-11-19 05:22:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2088 transitions. [2021-11-19 05:22:48,732 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2088 transitions. Word has length 114 [2021-11-19 05:22:48,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:48,732 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2088 transitions. [2021-11-19 05:22:48,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:48,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2088 transitions. [2021-11-19 05:22:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:48,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:48,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:48,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-11-19 05:22:48,734 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:48,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:48,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1636727486, now seen corresponding path program 1 times [2021-11-19 05:22:48,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:48,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595412522] [2021-11-19 05:22:48,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:48,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:48,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:48,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595412522] [2021-11-19 05:22:48,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595412522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:48,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:48,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:48,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666309562] [2021-11-19 05:22:48,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:48,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:48,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:48,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:48,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:48,841 INFO L87 Difference]: Start difference. First operand 1564 states and 2088 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:51,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:51,751 INFO L93 Difference]: Finished difference Result 2749 states and 3731 transitions. [2021-11-19 05:22:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:51,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:51,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:51,754 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:22:51,754 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:51,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:22:51,755 INFO L933 BasicCegarLoop]: 1082 mSDtfsCounter, 6157 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 3683 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6157 SdHoareTripleChecker+Valid, 4433 SdHoareTripleChecker+Invalid, 4087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 3683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:51,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6157 Valid, 4433 Invalid, 4087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 3683 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:51,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:52,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:22:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.358957654723127) internal successors, (2086), 1563 states have internal predecessors, (2086), 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) [2021-11-19 05:22:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2086 transitions. [2021-11-19 05:22:52,152 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2086 transitions. Word has length 114 [2021-11-19 05:22:52,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:52,152 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2086 transitions. [2021-11-19 05:22:52,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2086 transitions. [2021-11-19 05:22:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:52,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:52,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:52,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-11-19 05:22:52,154 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:52,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:52,155 INFO L85 PathProgramCache]: Analyzing trace with hash -59586795, now seen corresponding path program 1 times [2021-11-19 05:22:52,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:52,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887967068] [2021-11-19 05:22:52,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:52,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:52,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:52,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887967068] [2021-11-19 05:22:52,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887967068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:52,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:52,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:52,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811314581] [2021-11-19 05:22:52,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:52,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:52,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:52,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:52,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:52,266 INFO L87 Difference]: Start difference. First operand 1564 states and 2086 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:55,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:55,118 INFO L93 Difference]: Finished difference Result 2753 states and 3734 transitions. [2021-11-19 05:22:55,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:55,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:55,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:55,120 INFO L225 Difference]: With dead ends: 2753 [2021-11-19 05:22:55,120 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:55,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:22:55,121 INFO L933 BasicCegarLoop]: 1104 mSDtfsCounter, 4878 mSDsluCounter, 3330 mSDsCounter, 0 mSdLazyCounter, 3650 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4878 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 3955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 3650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:55,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4878 Valid, 4434 Invalid, 3955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 3650 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:55,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:55,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:22:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3576547231270357) internal successors, (2084), 1563 states have internal predecessors, (2084), 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) [2021-11-19 05:22:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2084 transitions. [2021-11-19 05:22:55,513 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2084 transitions. Word has length 114 [2021-11-19 05:22:55,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:55,513 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2084 transitions. [2021-11-19 05:22:55,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2084 transitions. [2021-11-19 05:22:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:55,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:55,514 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:55,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-11-19 05:22:55,515 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:55,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash 614162202, now seen corresponding path program 1 times [2021-11-19 05:22:55,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:55,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495316211] [2021-11-19 05:22:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:55,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:55,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:55,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495316211] [2021-11-19 05:22:55,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495316211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:55,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:55,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:55,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528364118] [2021-11-19 05:22:55,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:55,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:55,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:55,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:55,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:55,613 INFO L87 Difference]: Start difference. First operand 1564 states and 2084 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:58,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:58,527 INFO L93 Difference]: Finished difference Result 2749 states and 3725 transitions. [2021-11-19 05:22:58,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:22:58,527 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:22:58,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:58,529 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:22:58,529 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:22:58,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:22:58,530 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 6137 mSDsluCounter, 3363 mSDsCounter, 0 mSdLazyCounter, 3670 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6137 SdHoareTripleChecker+Valid, 4449 SdHoareTripleChecker+Invalid, 4074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 3670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:58,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6137 Valid, 4449 Invalid, 4074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 3670 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:22:58,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:22:58,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:22:58,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3563517915309447) internal successors, (2082), 1563 states have internal predecessors, (2082), 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) [2021-11-19 05:22:58,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2082 transitions. [2021-11-19 05:22:58,948 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2082 transitions. Word has length 114 [2021-11-19 05:22:58,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:58,948 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2082 transitions. [2021-11-19 05:22:58,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:22:58,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2082 transitions. [2021-11-19 05:22:58,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:22:58,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:58,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:58,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-11-19 05:22:58,950 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:22:58,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash -106426856, now seen corresponding path program 1 times [2021-11-19 05:22:58,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:58,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615396023] [2021-11-19 05:22:58,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:58,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:59,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:59,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615396023] [2021-11-19 05:22:59,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615396023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:59,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:59,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:22:59,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461890791] [2021-11-19 05:22:59,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:59,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:22:59,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:59,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:22:59,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:22:59,051 INFO L87 Difference]: Start difference. First operand 1564 states and 2082 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:01,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:01,980 INFO L93 Difference]: Finished difference Result 2749 states and 3723 transitions. [2021-11-19 05:23:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:01,980 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:01,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:01,982 INFO L225 Difference]: With dead ends: 2749 [2021-11-19 05:23:01,982 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:01,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:23:01,983 INFO L933 BasicCegarLoop]: 1107 mSDtfsCounter, 4703 mSDsluCounter, 3765 mSDsCounter, 0 mSdLazyCounter, 3944 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4703 SdHoareTripleChecker+Valid, 4872 SdHoareTripleChecker+Invalid, 4213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 3944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:01,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4703 Valid, 4872 Invalid, 4213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 3944 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:23:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:02,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:23:02,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3550488599348534) internal successors, (2080), 1563 states have internal predecessors, (2080), 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) [2021-11-19 05:23:02,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2080 transitions. [2021-11-19 05:23:02,381 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2080 transitions. Word has length 114 [2021-11-19 05:23:02,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:02,381 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2080 transitions. [2021-11-19 05:23:02,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2080 transitions. [2021-11-19 05:23:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:02,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:02,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:02,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-11-19 05:23:02,383 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:02,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:02,383 INFO L85 PathProgramCache]: Analyzing trace with hash 561485483, now seen corresponding path program 1 times [2021-11-19 05:23:02,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:02,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231764877] [2021-11-19 05:23:02,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:02,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:02,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:02,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231764877] [2021-11-19 05:23:02,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231764877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:02,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:02,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:02,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007270724] [2021-11-19 05:23:02,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:02,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:02,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:02,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:02,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:02,497 INFO L87 Difference]: Start difference. First operand 1564 states and 2080 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:05,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:05,361 INFO L93 Difference]: Finished difference Result 2750 states and 3720 transitions. [2021-11-19 05:23:05,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:05,362 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:05,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:05,364 INFO L225 Difference]: With dead ends: 2750 [2021-11-19 05:23:05,364 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:05,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:23:05,365 INFO L933 BasicCegarLoop]: 1036 mSDtfsCounter, 6448 mSDsluCounter, 3208 mSDsCounter, 0 mSdLazyCounter, 3456 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6448 SdHoareTripleChecker+Valid, 4244 SdHoareTripleChecker+Invalid, 3864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 3456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:05,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6448 Valid, 4244 Invalid, 3864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 3456 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:23:05,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:05,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:23:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3543973941368077) internal successors, (2079), 1563 states have internal predecessors, (2079), 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) [2021-11-19 05:23:05,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2079 transitions. [2021-11-19 05:23:05,794 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2079 transitions. Word has length 114 [2021-11-19 05:23:05,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:05,794 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2079 transitions. [2021-11-19 05:23:05,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:05,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2079 transitions. [2021-11-19 05:23:05,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:05,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:05,795 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:05,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-11-19 05:23:05,796 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:05,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:05,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1922874628, now seen corresponding path program 1 times [2021-11-19 05:23:05,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:05,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468296879] [2021-11-19 05:23:05,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:05,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:05,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:05,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468296879] [2021-11-19 05:23:05,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468296879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:05,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:05,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:05,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198231002] [2021-11-19 05:23:05,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:05,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:05,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:05,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:05,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:05,886 INFO L87 Difference]: Start difference. First operand 1564 states and 2079 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:08,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:08,757 INFO L93 Difference]: Finished difference Result 2859 states and 3878 transitions. [2021-11-19 05:23:08,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:08,758 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:08,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:08,760 INFO L225 Difference]: With dead ends: 2859 [2021-11-19 05:23:08,760 INFO L226 Difference]: Without dead ends: 2676 [2021-11-19 05:23:08,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:23:08,760 INFO L933 BasicCegarLoop]: 1232 mSDtfsCounter, 3236 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3236 SdHoareTripleChecker+Valid, 5047 SdHoareTripleChecker+Invalid, 3982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:08,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3236 Valid, 5047 Invalid, 3982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3877 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:23:08,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2021-11-19 05:23:09,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 1564. [2021-11-19 05:23:09,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3537459283387623) internal successors, (2078), 1563 states have internal predecessors, (2078), 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) [2021-11-19 05:23:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2078 transitions. [2021-11-19 05:23:09,166 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2078 transitions. Word has length 114 [2021-11-19 05:23:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:09,166 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2078 transitions. [2021-11-19 05:23:09,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2078 transitions. [2021-11-19 05:23:09,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:09,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:09,168 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:09,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-11-19 05:23:09,168 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:09,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:09,169 INFO L85 PathProgramCache]: Analyzing trace with hash -191174100, now seen corresponding path program 1 times [2021-11-19 05:23:09,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:09,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872637197] [2021-11-19 05:23:09,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:09,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:09,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:09,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872637197] [2021-11-19 05:23:09,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872637197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:09,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:09,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:09,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746950942] [2021-11-19 05:23:09,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:09,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:09,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:09,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:09,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:09,269 INFO L87 Difference]: Start difference. First operand 1564 states and 2078 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:12,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:12,116 INFO L93 Difference]: Finished difference Result 2750 states and 3718 transitions. [2021-11-19 05:23:12,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:12,117 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:12,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:12,118 INFO L225 Difference]: With dead ends: 2750 [2021-11-19 05:23:12,118 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:12,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:23:12,119 INFO L933 BasicCegarLoop]: 1117 mSDtfsCounter, 3981 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 3644 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3981 SdHoareTripleChecker+Valid, 4486 SdHoareTripleChecker+Invalid, 3912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 3644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:12,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3981 Valid, 4486 Invalid, 3912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 3644 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:23:12,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:12,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:23:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3530944625407166) internal successors, (2077), 1563 states have internal predecessors, (2077), 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) [2021-11-19 05:23:12,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2077 transitions. [2021-11-19 05:23:12,531 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2077 transitions. Word has length 114 [2021-11-19 05:23:12,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:12,531 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2077 transitions. [2021-11-19 05:23:12,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2077 transitions. [2021-11-19 05:23:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:12,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:12,533 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:12,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-11-19 05:23:12,533 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:12,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:12,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1190290652, now seen corresponding path program 1 times [2021-11-19 05:23:12,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:12,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177899189] [2021-11-19 05:23:12,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:12,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:12,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:12,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177899189] [2021-11-19 05:23:12,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177899189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:12,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:12,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:12,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108052424] [2021-11-19 05:23:12,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:12,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:12,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:12,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:12,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:12,656 INFO L87 Difference]: Start difference. First operand 1564 states and 2077 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:15,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:15,845 INFO L93 Difference]: Finished difference Result 2747 states and 3713 transitions. [2021-11-19 05:23:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:15,845 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:15,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:15,847 INFO L225 Difference]: With dead ends: 2747 [2021-11-19 05:23:15,847 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:15,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:23:15,848 INFO L933 BasicCegarLoop]: 1095 mSDtfsCounter, 6076 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 3660 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6076 SdHoareTripleChecker+Valid, 4485 SdHoareTripleChecker+Invalid, 4061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 3660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:15,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6076 Valid, 4485 Invalid, 4061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3660 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:23:15,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:16,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:23:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.352442996742671) internal successors, (2076), 1563 states have internal predecessors, (2076), 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) [2021-11-19 05:23:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2076 transitions. [2021-11-19 05:23:16,271 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2076 transitions. Word has length 114 [2021-11-19 05:23:16,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:16,271 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2076 transitions. [2021-11-19 05:23:16,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2076 transitions. [2021-11-19 05:23:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:16,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:16,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:16,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-11-19 05:23:16,273 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:16,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash -60256621, now seen corresponding path program 1 times [2021-11-19 05:23:16,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:16,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296040960] [2021-11-19 05:23:16,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:16,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:16,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:16,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296040960] [2021-11-19 05:23:16,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296040960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:16,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:16,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:16,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815939414] [2021-11-19 05:23:16,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:16,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:16,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:16,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:16,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:16,376 INFO L87 Difference]: Start difference. First operand 1564 states and 2076 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:19,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:19,305 INFO L93 Difference]: Finished difference Result 2750 states and 3715 transitions. [2021-11-19 05:23:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:19,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:19,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:19,308 INFO L225 Difference]: With dead ends: 2750 [2021-11-19 05:23:19,308 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:19,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:23:19,309 INFO L933 BasicCegarLoop]: 1117 mSDtfsCounter, 3388 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 3631 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 4486 SdHoareTripleChecker+Invalid, 3833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 3631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:19,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3388 Valid, 4486 Invalid, 3833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 3631 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:23:19,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:19,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:23:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3517915309446253) internal successors, (2075), 1563 states have internal predecessors, (2075), 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) [2021-11-19 05:23:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2075 transitions. [2021-11-19 05:23:19,730 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2075 transitions. Word has length 114 [2021-11-19 05:23:19,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:19,730 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2075 transitions. [2021-11-19 05:23:19,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2075 transitions. [2021-11-19 05:23:19,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:19,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:19,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:19,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-11-19 05:23:19,732 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:19,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:19,733 INFO L85 PathProgramCache]: Analyzing trace with hash 558920946, now seen corresponding path program 1 times [2021-11-19 05:23:19,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:19,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687150209] [2021-11-19 05:23:19,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:19,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:19,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:19,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687150209] [2021-11-19 05:23:19,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687150209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:19,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:19,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:19,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528955266] [2021-11-19 05:23:19,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:19,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:19,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:19,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:19,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:19,831 INFO L87 Difference]: Start difference. First operand 1564 states and 2075 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:22,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:22,862 INFO L93 Difference]: Finished difference Result 2747 states and 3710 transitions. [2021-11-19 05:23:22,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:22,862 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:22,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:22,864 INFO L225 Difference]: With dead ends: 2747 [2021-11-19 05:23:22,864 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:22,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:23:22,865 INFO L933 BasicCegarLoop]: 1099 mSDtfsCounter, 6056 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 3647 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6056 SdHoareTripleChecker+Valid, 4501 SdHoareTripleChecker+Invalid, 4048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 3647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:22,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6056 Valid, 4501 Invalid, 4048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3647 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:23:22,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2021-11-19 05:23:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3511400651465797) internal successors, (2074), 1563 states have internal predecessors, (2074), 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) [2021-11-19 05:23:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2074 transitions. [2021-11-19 05:23:23,288 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2074 transitions. Word has length 114 [2021-11-19 05:23:23,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:23,288 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2074 transitions. [2021-11-19 05:23:23,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2074 transitions. [2021-11-19 05:23:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:23,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:23,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:23,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-11-19 05:23:23,290 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:23,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1781205193, now seen corresponding path program 1 times [2021-11-19 05:23:23,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:23,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486543362] [2021-11-19 05:23:23,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:23,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:23,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:23,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486543362] [2021-11-19 05:23:23,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486543362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:23,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:23,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:23:23,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839956925] [2021-11-19 05:23:23,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:23,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:23:23,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:23,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:23:23,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:23:23,462 INFO L87 Difference]: Start difference. First operand 1564 states and 2074 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2021-11-19 05:23:28,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:28,868 INFO L93 Difference]: Finished difference Result 3542 states and 4886 transitions. [2021-11-19 05:23:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:23:28,868 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:28,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:28,871 INFO L225 Difference]: With dead ends: 3542 [2021-11-19 05:23:28,872 INFO L226 Difference]: Without dead ends: 3374 [2021-11-19 05:23:28,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:23:28,873 INFO L933 BasicCegarLoop]: 1155 mSDtfsCounter, 9049 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 4831 mSolverCounterSat, 1462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9049 SdHoareTripleChecker+Valid, 5631 SdHoareTripleChecker+Invalid, 6293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1462 IncrementalHoareTripleChecker+Valid, 4831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:28,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9049 Valid, 5631 Invalid, 6293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1462 Valid, 4831 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 05:23:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2021-11-19 05:23:29,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 1568. [2021-11-19 05:23:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.350227420402859) internal successors, (2078), 1567 states have internal predecessors, (2078), 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) [2021-11-19 05:23:29,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2078 transitions. [2021-11-19 05:23:29,384 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2078 transitions. Word has length 114 [2021-11-19 05:23:29,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:29,384 INFO L470 AbstractCegarLoop]: Abstraction has 1568 states and 2078 transitions. [2021-11-19 05:23:29,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2021-11-19 05:23:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2078 transitions. [2021-11-19 05:23:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:29,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:29,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:29,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-11-19 05:23:29,386 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:29,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:29,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1343863050, now seen corresponding path program 1 times [2021-11-19 05:23:29,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:29,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149879831] [2021-11-19 05:23:29,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:29,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:29,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:29,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149879831] [2021-11-19 05:23:29,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149879831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:29,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:29,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:29,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955471517] [2021-11-19 05:23:29,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:29,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:29,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:29,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:29,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:29,487 INFO L87 Difference]: Start difference. First operand 1568 states and 2078 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:32,657 INFO L93 Difference]: Finished difference Result 2750 states and 3711 transitions. [2021-11-19 05:23:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:32,657 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:32,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:32,659 INFO L225 Difference]: With dead ends: 2750 [2021-11-19 05:23:32,659 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:32,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:23:32,660 INFO L933 BasicCegarLoop]: 1121 mSDtfsCounter, 4667 mSDsluCounter, 4226 mSDsCounter, 0 mSdLazyCounter, 4210 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4667 SdHoareTripleChecker+Valid, 5347 SdHoareTripleChecker+Invalid, 4478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 4210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:32,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4667 Valid, 5347 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 4210 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:23:32,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1568. [2021-11-19 05:23:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.349577647823262) internal successors, (2077), 1567 states have internal predecessors, (2077), 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) [2021-11-19 05:23:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2077 transitions. [2021-11-19 05:23:33,095 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2077 transitions. Word has length 114 [2021-11-19 05:23:33,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:33,095 INFO L470 AbstractCegarLoop]: Abstraction has 1568 states and 2077 transitions. [2021-11-19 05:23:33,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2077 transitions. [2021-11-19 05:23:33,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:33,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:33,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:33,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-11-19 05:23:33,097 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:33,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:33,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1965711787, now seen corresponding path program 1 times [2021-11-19 05:23:33,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:33,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957210916] [2021-11-19 05:23:33,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:33,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:33,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:33,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957210916] [2021-11-19 05:23:33,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957210916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:33,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:33,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:33,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832650369] [2021-11-19 05:23:33,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:33,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:33,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:33,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:33,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:33,189 INFO L87 Difference]: Start difference. First operand 1568 states and 2077 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:36,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:36,270 INFO L93 Difference]: Finished difference Result 2747 states and 3706 transitions. [2021-11-19 05:23:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:36,270 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:36,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:36,272 INFO L225 Difference]: With dead ends: 2747 [2021-11-19 05:23:36,272 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:36,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:23:36,273 INFO L933 BasicCegarLoop]: 1098 mSDtfsCounter, 6054 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6054 SdHoareTripleChecker+Valid, 4497 SdHoareTripleChecker+Invalid, 4026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:36,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6054 Valid, 4497 Invalid, 4026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3625 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:23:36,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1568. [2021-11-19 05:23:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3489278752436646) internal successors, (2076), 1567 states have internal predecessors, (2076), 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) [2021-11-19 05:23:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2076 transitions. [2021-11-19 05:23:36,728 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2076 transitions. Word has length 114 [2021-11-19 05:23:36,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:36,728 INFO L470 AbstractCegarLoop]: Abstraction has 1568 states and 2076 transitions. [2021-11-19 05:23:36,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2076 transitions. [2021-11-19 05:23:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:36,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:36,729 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:36,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-11-19 05:23:36,730 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:36,730 INFO L85 PathProgramCache]: Analyzing trace with hash -374414352, now seen corresponding path program 1 times [2021-11-19 05:23:36,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:36,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737911209] [2021-11-19 05:23:36,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:36,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:36,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:36,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737911209] [2021-11-19 05:23:36,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737911209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:36,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:36,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:36,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148047526] [2021-11-19 05:23:36,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:36,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:36,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:36,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:36,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:36,842 INFO L87 Difference]: Start difference. First operand 1568 states and 2076 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:39,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:39,945 INFO L93 Difference]: Finished difference Result 2747 states and 3705 transitions. [2021-11-19 05:23:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:39,945 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:39,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:39,947 INFO L225 Difference]: With dead ends: 2747 [2021-11-19 05:23:39,947 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:39,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:23:39,948 INFO L933 BasicCegarLoop]: 1174 mSDtfsCounter, 4597 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 4070 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4597 SdHoareTripleChecker+Valid, 5147 SdHoareTripleChecker+Invalid, 4337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 4070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:39,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4597 Valid, 5147 Invalid, 4337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 4070 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:23:39,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:40,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1568. [2021-11-19 05:23:40,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3482781026640676) internal successors, (2075), 1567 states have internal predecessors, (2075), 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) [2021-11-19 05:23:40,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2075 transitions. [2021-11-19 05:23:40,394 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2075 transitions. Word has length 114 [2021-11-19 05:23:40,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:40,394 INFO L470 AbstractCegarLoop]: Abstraction has 1568 states and 2075 transitions. [2021-11-19 05:23:40,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2075 transitions. [2021-11-19 05:23:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:40,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:40,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:40,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-11-19 05:23:40,396 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:40,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:40,396 INFO L85 PathProgramCache]: Analyzing trace with hash 485803913, now seen corresponding path program 1 times [2021-11-19 05:23:40,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:40,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608050409] [2021-11-19 05:23:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:40,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:40,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:40,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608050409] [2021-11-19 05:23:40,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608050409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:40,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:40,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:23:40,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463987276] [2021-11-19 05:23:40,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:40,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:23:40,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:40,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:23:40,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:23:40,555 INFO L87 Difference]: Start difference. First operand 1568 states and 2075 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2021-11-19 05:23:45,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:45,654 INFO L93 Difference]: Finished difference Result 3542 states and 4880 transitions. [2021-11-19 05:23:45,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:23:45,654 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:45,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:45,658 INFO L225 Difference]: With dead ends: 3542 [2021-11-19 05:23:45,658 INFO L226 Difference]: Without dead ends: 3374 [2021-11-19 05:23:45,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:23:45,659 INFO L933 BasicCegarLoop]: 1109 mSDtfsCounter, 8446 mSDsluCounter, 3626 mSDsCounter, 0 mSdLazyCounter, 3852 mSolverCounterSat, 1262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8446 SdHoareTripleChecker+Valid, 4735 SdHoareTripleChecker+Invalid, 5114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1262 IncrementalHoareTripleChecker+Valid, 3852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:45,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8446 Valid, 4735 Invalid, 5114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1262 Valid, 3852 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 05:23:45,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2021-11-19 05:23:46,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 1572. [2021-11-19 05:23:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3473752430330526) internal successors, (2079), 1571 states have internal predecessors, (2079), 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) [2021-11-19 05:23:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2079 transitions. [2021-11-19 05:23:46,203 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2079 transitions. Word has length 114 [2021-11-19 05:23:46,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:46,203 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2079 transitions. [2021-11-19 05:23:46,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2021-11-19 05:23:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2079 transitions. [2021-11-19 05:23:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:46,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:46,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:46,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-11-19 05:23:46,206 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:46,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:46,207 INFO L85 PathProgramCache]: Analyzing trace with hash -812960757, now seen corresponding path program 1 times [2021-11-19 05:23:46,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:46,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222347968] [2021-11-19 05:23:46,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:46,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:46,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:46,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222347968] [2021-11-19 05:23:46,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222347968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:46,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:46,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:46,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456588032] [2021-11-19 05:23:46,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:46,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:46,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:46,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:46,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:46,310 INFO L87 Difference]: Start difference. First operand 1572 states and 2079 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:49,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:49,344 INFO L93 Difference]: Finished difference Result 2584 states and 3454 transitions. [2021-11-19 05:23:49,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:49,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:49,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:49,347 INFO L225 Difference]: With dead ends: 2584 [2021-11-19 05:23:49,347 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:49,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:23:49,349 INFO L933 BasicCegarLoop]: 1115 mSDtfsCounter, 3383 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 3578 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3383 SdHoareTripleChecker+Valid, 4480 SdHoareTripleChecker+Invalid, 3780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 3578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:49,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3383 Valid, 4480 Invalid, 3780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 3578 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:23:49,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1572. [2021-11-19 05:23:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3467271548930655) internal successors, (2078), 1571 states have internal predecessors, (2078), 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) [2021-11-19 05:23:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2078 transitions. [2021-11-19 05:23:49,843 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2078 transitions. Word has length 114 [2021-11-19 05:23:49,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:49,843 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2078 transitions. [2021-11-19 05:23:49,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2078 transitions. [2021-11-19 05:23:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:49,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:49,845 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:49,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-11-19 05:23:49,846 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:49,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:49,846 INFO L85 PathProgramCache]: Analyzing trace with hash -185657471, now seen corresponding path program 1 times [2021-11-19 05:23:49,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:49,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622963632] [2021-11-19 05:23:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:49,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:49,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:49,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622963632] [2021-11-19 05:23:49,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622963632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:49,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:49,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:49,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062139772] [2021-11-19 05:23:49,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:49,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:49,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:49,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:49,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:49,968 INFO L87 Difference]: Start difference. First operand 1572 states and 2078 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:53,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:53,165 INFO L93 Difference]: Finished difference Result 2747 states and 3700 transitions. [2021-11-19 05:23:53,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:53,165 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:53,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:53,168 INFO L225 Difference]: With dead ends: 2747 [2021-11-19 05:23:53,168 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:53,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:23:53,169 INFO L933 BasicCegarLoop]: 1098 mSDtfsCounter, 6048 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 3590 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6048 SdHoareTripleChecker+Valid, 4497 SdHoareTripleChecker+Invalid, 3991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 3590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:53,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6048 Valid, 4497 Invalid, 3991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3590 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:23:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:53,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1572. [2021-11-19 05:23:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3460790667530784) internal successors, (2077), 1571 states have internal predecessors, (2077), 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) [2021-11-19 05:23:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2077 transitions. [2021-11-19 05:23:53,662 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2077 transitions. Word has length 114 [2021-11-19 05:23:53,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:53,662 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2077 transitions. [2021-11-19 05:23:53,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2077 transitions. [2021-11-19 05:23:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:53,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:53,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:53,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-11-19 05:23:53,664 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:53,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:53,665 INFO L85 PathProgramCache]: Analyzing trace with hash 522922310, now seen corresponding path program 1 times [2021-11-19 05:23:53,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:53,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175584075] [2021-11-19 05:23:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:53,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:53,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:53,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175584075] [2021-11-19 05:23:53,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175584075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:53,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:53,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:23:53,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519108752] [2021-11-19 05:23:53,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:53,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:23:53,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:53,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:23:53,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:23:53,791 INFO L87 Difference]: Start difference. First operand 1572 states and 2077 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:57,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:23:57,162 INFO L93 Difference]: Finished difference Result 2747 states and 3699 transitions. [2021-11-19 05:23:57,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:23:57,162 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:23:57,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:23:57,164 INFO L225 Difference]: With dead ends: 2747 [2021-11-19 05:23:57,164 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:23:57,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:23:57,165 INFO L933 BasicCegarLoop]: 1175 mSDtfsCounter, 4546 mSDsluCounter, 4397 mSDsCounter, 0 mSdLazyCounter, 4337 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4546 SdHoareTripleChecker+Valid, 5572 SdHoareTripleChecker+Invalid, 4603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 4337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:23:57,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4546 Valid, 5572 Invalid, 4603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 4337 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 05:23:57,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:23:57,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1572. [2021-11-19 05:23:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3454309786130914) internal successors, (2076), 1571 states have internal predecessors, (2076), 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) [2021-11-19 05:23:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2076 transitions. [2021-11-19 05:23:57,643 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2076 transitions. Word has length 114 [2021-11-19 05:23:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:23:57,643 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2076 transitions. [2021-11-19 05:23:57,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:23:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2076 transitions. [2021-11-19 05:23:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:23:57,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:23:57,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:23:57,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-11-19 05:23:57,645 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:23:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:23:57,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2117430113, now seen corresponding path program 1 times [2021-11-19 05:23:57,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:23:57,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337209019] [2021-11-19 05:23:57,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:23:57,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:23:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:23:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:23:57,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:23:57,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337209019] [2021-11-19 05:23:57,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337209019] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:23:57,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:23:57,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:23:57,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91634223] [2021-11-19 05:23:57,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:23:57,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:23:57,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:23:57,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:23:57,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:23:57,812 INFO L87 Difference]: Start difference. First operand 1572 states and 2076 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2021-11-19 05:24:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:03,429 INFO L93 Difference]: Finished difference Result 3542 states and 4874 transitions. [2021-11-19 05:24:03,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:24:03,430 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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 114 [2021-11-19 05:24:03,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:03,433 INFO L225 Difference]: With dead ends: 3542 [2021-11-19 05:24:03,433 INFO L226 Difference]: Without dead ends: 3374 [2021-11-19 05:24:03,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:24:03,435 INFO L933 BasicCegarLoop]: 1159 mSDtfsCounter, 7600 mSDsluCounter, 4916 mSDsCounter, 0 mSdLazyCounter, 5001 mSolverCounterSat, 1242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7600 SdHoareTripleChecker+Valid, 6075 SdHoareTripleChecker+Invalid, 6243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1242 IncrementalHoareTripleChecker+Valid, 5001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:03,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7600 Valid, 6075 Invalid, 6243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1242 Valid, 5001 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 05:24:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2021-11-19 05:24:03,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 1576. [2021-11-19 05:24:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.3445378151260505) internal successors, (2080), 1575 states have internal predecessors, (2080), 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) [2021-11-19 05:24:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2080 transitions. [2021-11-19 05:24:03,947 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2080 transitions. Word has length 114 [2021-11-19 05:24:03,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:03,947 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 2080 transitions. [2021-11-19 05:24:03,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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) [2021-11-19 05:24:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2080 transitions. [2021-11-19 05:24:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 05:24:03,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:03,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:03,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-11-19 05:24:03,949 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:03,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:03,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1758413197, now seen corresponding path program 1 times [2021-11-19 05:24:03,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:03,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374006632] [2021-11-19 05:24:03,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:03,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:04,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:04,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:04,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374006632] [2021-11-19 05:24:04,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374006632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:04,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:04,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:04,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907208672] [2021-11-19 05:24:04,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:04,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:04,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:04,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:04,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:04,046 INFO L87 Difference]: Start difference. First operand 1576 states and 2080 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:24:07,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:07,158 INFO L93 Difference]: Finished difference Result 2747 states and 3696 transitions. [2021-11-19 05:24:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:07,158 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2021-11-19 05:24:07,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:07,161 INFO L225 Difference]: With dead ends: 2747 [2021-11-19 05:24:07,161 INFO L226 Difference]: Without dead ends: 2579 [2021-11-19 05:24:07,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:24:07,162 INFO L933 BasicCegarLoop]: 1114 mSDtfsCounter, 3955 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 4482 SdHoareTripleChecker+Invalid, 3815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:07,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 4482 Invalid, 3815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 3547 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:24:07,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2021-11-19 05:24:07,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1576. [2021-11-19 05:24:07,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.3438914027149322) internal successors, (2079), 1575 states have internal predecessors, (2079), 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) [2021-11-19 05:24:07,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2079 transitions. [2021-11-19 05:24:07,679 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2079 transitions. Word has length 114 [2021-11-19 05:24:07,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:07,679 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 2079 transitions. [2021-11-19 05:24:07,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 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) [2021-11-19 05:24:07,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2079 transitions. [2021-11-19 05:24:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:07,681 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:07,681 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:07,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-11-19 05:24:07,681 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:07,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:07,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1263369271, now seen corresponding path program 1 times [2021-11-19 05:24:07,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:07,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154096353] [2021-11-19 05:24:07,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:07,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:07,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:07,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154096353] [2021-11-19 05:24:07,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154096353] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:07,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:07,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:07,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150709473] [2021-11-19 05:24:07,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:07,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:07,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:07,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:07,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:07,796 INFO L87 Difference]: Start difference. First operand 1576 states and 2079 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:11,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:11,024 INFO L93 Difference]: Finished difference Result 2745 states and 3692 transitions. [2021-11-19 05:24:11,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:11,026 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:11,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:11,028 INFO L225 Difference]: With dead ends: 2745 [2021-11-19 05:24:11,028 INFO L226 Difference]: Without dead ends: 2577 [2021-11-19 05:24:11,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:24:11,029 INFO L933 BasicCegarLoop]: 1045 mSDtfsCounter, 6350 mSDsluCounter, 3240 mSDsCounter, 0 mSdLazyCounter, 3367 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6350 SdHoareTripleChecker+Valid, 4285 SdHoareTripleChecker+Invalid, 3772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 3367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:11,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6350 Valid, 4285 Invalid, 3772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 3367 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:24:11,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2021-11-19 05:24:11,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 1574. [2021-11-19 05:24:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1545 states have (on average 1.343042071197411) internal successors, (2075), 1573 states have internal predecessors, (2075), 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) [2021-11-19 05:24:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2075 transitions. [2021-11-19 05:24:11,513 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2075 transitions. Word has length 115 [2021-11-19 05:24:11,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:11,513 INFO L470 AbstractCegarLoop]: Abstraction has 1574 states and 2075 transitions. [2021-11-19 05:24:11,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2075 transitions. [2021-11-19 05:24:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:11,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:11,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:11,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-11-19 05:24:11,515 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:11,515 INFO L85 PathProgramCache]: Analyzing trace with hash -733092386, now seen corresponding path program 1 times [2021-11-19 05:24:11,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:11,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373317026] [2021-11-19 05:24:11,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:11,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:11,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:11,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373317026] [2021-11-19 05:24:11,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373317026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:11,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:11,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:11,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433069890] [2021-11-19 05:24:11,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:11,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:11,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:11,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:11,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:11,639 INFO L87 Difference]: Start difference. First operand 1574 states and 2075 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:14,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:14,811 INFO L93 Difference]: Finished difference Result 2743 states and 3688 transitions. [2021-11-19 05:24:14,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:14,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:14,813 INFO L225 Difference]: With dead ends: 2743 [2021-11-19 05:24:14,814 INFO L226 Difference]: Without dead ends: 2575 [2021-11-19 05:24:14,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:24:14,814 INFO L933 BasicCegarLoop]: 1045 mSDtfsCounter, 6342 mSDsluCounter, 3240 mSDsCounter, 0 mSdLazyCounter, 3359 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6342 SdHoareTripleChecker+Valid, 4285 SdHoareTripleChecker+Invalid, 3764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 3359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:14,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6342 Valid, 4285 Invalid, 3764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 3359 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:24:14,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2575 states. [2021-11-19 05:24:15,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2575 to 1572. [2021-11-19 05:24:15,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3421905379131562) internal successors, (2071), 1571 states have internal predecessors, (2071), 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) [2021-11-19 05:24:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2071 transitions. [2021-11-19 05:24:15,301 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2071 transitions. Word has length 115 [2021-11-19 05:24:15,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:15,301 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2071 transitions. [2021-11-19 05:24:15,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2071 transitions. [2021-11-19 05:24:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:15,303 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:15,303 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:15,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-11-19 05:24:15,303 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:15,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:15,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1684625797, now seen corresponding path program 1 times [2021-11-19 05:24:15,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:15,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609082220] [2021-11-19 05:24:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:15,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:15,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:15,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609082220] [2021-11-19 05:24:15,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609082220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:15,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:15,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:15,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594190332] [2021-11-19 05:24:15,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:15,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:15,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:15,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:15,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:15,423 INFO L87 Difference]: Start difference. First operand 1572 states and 2071 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:18,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:18,672 INFO L93 Difference]: Finished difference Result 2741 states and 3684 transitions. [2021-11-19 05:24:18,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:18,672 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:18,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:18,674 INFO L225 Difference]: With dead ends: 2741 [2021-11-19 05:24:18,674 INFO L226 Difference]: Without dead ends: 2573 [2021-11-19 05:24:18,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:24:18,675 INFO L933 BasicCegarLoop]: 1108 mSDtfsCounter, 5982 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 3548 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5982 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 3949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 3548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:18,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5982 Valid, 4538 Invalid, 3949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3548 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:24:18,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2021-11-19 05:24:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1570. [2021-11-19 05:24:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1541 states have (on average 1.3413367942894225) internal successors, (2067), 1569 states have internal predecessors, (2067), 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) [2021-11-19 05:24:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2067 transitions. [2021-11-19 05:24:19,168 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2067 transitions. Word has length 115 [2021-11-19 05:24:19,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:19,168 INFO L470 AbstractCegarLoop]: Abstraction has 1570 states and 2067 transitions. [2021-11-19 05:24:19,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2067 transitions. [2021-11-19 05:24:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:19,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:19,170 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:19,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-11-19 05:24:19,170 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:19,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:19,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1146743188, now seen corresponding path program 1 times [2021-11-19 05:24:19,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:19,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075592786] [2021-11-19 05:24:19,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:19,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:19,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:19,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075592786] [2021-11-19 05:24:19,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075592786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:19,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:19,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:24:19,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750603394] [2021-11-19 05:24:19,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:19,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:24:19,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:19,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:24:19,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:24:19,348 INFO L87 Difference]: Start difference. First operand 1570 states and 2067 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:24:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:24,942 INFO L93 Difference]: Finished difference Result 3532 states and 4855 transitions. [2021-11-19 05:24:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:24:24,943 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:24,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:24,945 INFO L225 Difference]: With dead ends: 3532 [2021-11-19 05:24:24,946 INFO L226 Difference]: Without dead ends: 3364 [2021-11-19 05:24:24,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:24:24,946 INFO L933 BasicCegarLoop]: 1106 mSDtfsCounter, 10000 mSDsluCounter, 4258 mSDsCounter, 0 mSdLazyCounter, 4451 mSolverCounterSat, 1479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10000 SdHoareTripleChecker+Valid, 5364 SdHoareTripleChecker+Invalid, 5930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1479 IncrementalHoareTripleChecker+Valid, 4451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:24,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10000 Valid, 5364 Invalid, 5930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1479 Valid, 4451 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 05:24:24,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3364 states. [2021-11-19 05:24:25,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3364 to 1578. [2021-11-19 05:24:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1549 states have (on average 1.3395739186571982) internal successors, (2075), 1577 states have internal predecessors, (2075), 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) [2021-11-19 05:24:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2075 transitions. [2021-11-19 05:24:25,445 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2075 transitions. Word has length 115 [2021-11-19 05:24:25,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:25,445 INFO L470 AbstractCegarLoop]: Abstraction has 1578 states and 2075 transitions. [2021-11-19 05:24:25,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:24:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2075 transitions. [2021-11-19 05:24:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:25,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:25,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:25,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-11-19 05:24:25,447 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:25,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:25,447 INFO L85 PathProgramCache]: Analyzing trace with hash -697181632, now seen corresponding path program 1 times [2021-11-19 05:24:25,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:25,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042432876] [2021-11-19 05:24:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:25,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:25,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:25,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042432876] [2021-11-19 05:24:25,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042432876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:25,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:25,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:25,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58261094] [2021-11-19 05:24:25,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:25,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:25,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:25,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:25,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:25,545 INFO L87 Difference]: Start difference. First operand 1578 states and 2075 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:28,874 INFO L93 Difference]: Finished difference Result 2739 states and 3678 transitions. [2021-11-19 05:24:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:28,874 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:28,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:28,876 INFO L225 Difference]: With dead ends: 2739 [2021-11-19 05:24:28,877 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:28,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:24:28,877 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 4753 mSDsluCounter, 4098 mSDsCounter, 0 mSdLazyCounter, 3926 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4753 SdHoareTripleChecker+Valid, 5144 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 3926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:28,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4753 Valid, 5144 Invalid, 4196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 3926 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:24:28,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:24:29,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1578. [2021-11-19 05:24:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1549 states have (on average 1.3382827630729504) internal successors, (2073), 1577 states have internal predecessors, (2073), 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) [2021-11-19 05:24:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2073 transitions. [2021-11-19 05:24:29,365 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2073 transitions. Word has length 115 [2021-11-19 05:24:29,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:29,365 INFO L470 AbstractCegarLoop]: Abstraction has 1578 states and 2073 transitions. [2021-11-19 05:24:29,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2073 transitions. [2021-11-19 05:24:29,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:29,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:29,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:29,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-11-19 05:24:29,367 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:29,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:29,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1953005922, now seen corresponding path program 1 times [2021-11-19 05:24:29,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:29,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20528779] [2021-11-19 05:24:29,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:29,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:29,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:29,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20528779] [2021-11-19 05:24:29,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20528779] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:29,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:29,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:29,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105148348] [2021-11-19 05:24:29,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:29,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:29,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:29,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:29,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:29,465 INFO L87 Difference]: Start difference. First operand 1578 states and 2073 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:32,581 INFO L93 Difference]: Finished difference Result 2745 states and 3683 transitions. [2021-11-19 05:24:32,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:32,582 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:32,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:32,584 INFO L225 Difference]: With dead ends: 2745 [2021-11-19 05:24:32,584 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:32,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:24:32,585 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 4771 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 3509 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4771 SdHoareTripleChecker+Valid, 4490 SdHoareTripleChecker+Invalid, 3813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 3509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:32,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4771 Valid, 4490 Invalid, 3813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 3509 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:24:32,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:24:33,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1570. [2021-11-19 05:24:33,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1541 states have (on average 1.3387410772225827) internal successors, (2063), 1569 states have internal predecessors, (2063), 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) [2021-11-19 05:24:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2063 transitions. [2021-11-19 05:24:33,089 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2063 transitions. Word has length 115 [2021-11-19 05:24:33,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:33,089 INFO L470 AbstractCegarLoop]: Abstraction has 1570 states and 2063 transitions. [2021-11-19 05:24:33,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2063 transitions. [2021-11-19 05:24:33,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:33,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:33,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:33,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-11-19 05:24:33,091 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:33,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:33,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1281997882, now seen corresponding path program 1 times [2021-11-19 05:24:33,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:33,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965113146] [2021-11-19 05:24:33,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:33,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:33,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:33,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965113146] [2021-11-19 05:24:33,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965113146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:33,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:33,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:33,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962711428] [2021-11-19 05:24:33,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:33,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:33,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:33,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:33,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:33,198 INFO L87 Difference]: Start difference. First operand 1570 states and 2063 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:36,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:36,398 INFO L93 Difference]: Finished difference Result 2737 states and 3672 transitions. [2021-11-19 05:24:36,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:36,399 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:36,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:36,401 INFO L225 Difference]: With dead ends: 2737 [2021-11-19 05:24:36,401 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:36,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:24:36,402 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 6307 mSDsluCounter, 3252 mSDsCounter, 0 mSdLazyCounter, 3333 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6307 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 3738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 3333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:36,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6307 Valid, 4301 Invalid, 3738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 3333 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:24:36,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:24:36,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1570. [2021-11-19 05:24:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1541 states have (on average 1.337443218689163) internal successors, (2061), 1569 states have internal predecessors, (2061), 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) [2021-11-19 05:24:36,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2061 transitions. [2021-11-19 05:24:36,910 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2061 transitions. Word has length 115 [2021-11-19 05:24:36,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:36,911 INFO L470 AbstractCegarLoop]: Abstraction has 1570 states and 2061 transitions. [2021-11-19 05:24:36,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2061 transitions. [2021-11-19 05:24:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:36,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:36,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:36,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-11-19 05:24:36,912 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:36,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:36,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1384692615, now seen corresponding path program 1 times [2021-11-19 05:24:36,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:36,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748739083] [2021-11-19 05:24:36,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:36,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:36,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:36,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748739083] [2021-11-19 05:24:36,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748739083] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:36,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:36,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:36,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589847648] [2021-11-19 05:24:36,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:36,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:36,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:36,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:36,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:36,999 INFO L87 Difference]: Start difference. First operand 1570 states and 2061 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:40,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:40,153 INFO L93 Difference]: Finished difference Result 2739 states and 3672 transitions. [2021-11-19 05:24:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:40,154 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:40,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:40,156 INFO L225 Difference]: With dead ends: 2739 [2021-11-19 05:24:40,157 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:40,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:24:40,158 INFO L933 BasicCegarLoop]: 1117 mSDtfsCounter, 4758 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 3514 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4758 SdHoareTripleChecker+Valid, 4493 SdHoareTripleChecker+Invalid, 3818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 3514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:40,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4758 Valid, 4493 Invalid, 3818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 3514 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:24:40,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:24:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1566. [2021-11-19 05:24:40,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.3376707872478855) internal successors, (2056), 1565 states have internal predecessors, (2056), 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) [2021-11-19 05:24:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2056 transitions. [2021-11-19 05:24:40,700 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2056 transitions. Word has length 115 [2021-11-19 05:24:40,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:40,700 INFO L470 AbstractCegarLoop]: Abstraction has 1566 states and 2056 transitions. [2021-11-19 05:24:40,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2056 transitions. [2021-11-19 05:24:40,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:40,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:40,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:40,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-11-19 05:24:40,701 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:40,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:40,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1474978382, now seen corresponding path program 1 times [2021-11-19 05:24:40,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:40,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912288351] [2021-11-19 05:24:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:40,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:40,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:40,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912288351] [2021-11-19 05:24:40,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912288351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:40,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:40,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:40,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091665607] [2021-11-19 05:24:40,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:40,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:40,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:40,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:40,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:40,797 INFO L87 Difference]: Start difference. First operand 1566 states and 2056 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:44,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:44,056 INFO L93 Difference]: Finished difference Result 2737 states and 3669 transitions. [2021-11-19 05:24:44,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:44,057 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:44,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:44,059 INFO L225 Difference]: With dead ends: 2737 [2021-11-19 05:24:44,059 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:44,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:24:44,059 INFO L933 BasicCegarLoop]: 1050 mSDtfsCounter, 6293 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 3329 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6293 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 3329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:44,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6293 Valid, 4305 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 3329 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:24:44,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:24:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1566. [2021-11-19 05:24:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.3370201691607027) internal successors, (2055), 1565 states have internal predecessors, (2055), 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) [2021-11-19 05:24:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2055 transitions. [2021-11-19 05:24:44,565 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2055 transitions. Word has length 115 [2021-11-19 05:24:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:44,565 INFO L470 AbstractCegarLoop]: Abstraction has 1566 states and 2055 transitions. [2021-11-19 05:24:44,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2055 transitions. [2021-11-19 05:24:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:44,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:44,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:44,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-11-19 05:24:44,567 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:44,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:44,567 INFO L85 PathProgramCache]: Analyzing trace with hash -588784137, now seen corresponding path program 1 times [2021-11-19 05:24:44,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:44,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651501814] [2021-11-19 05:24:44,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:44,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:44,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:44,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651501814] [2021-11-19 05:24:44,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651501814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:44,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:44,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:44,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378710358] [2021-11-19 05:24:44,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:44,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:44,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:44,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:44,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:44,660 INFO L87 Difference]: Start difference. First operand 1566 states and 2055 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:47,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:47,930 INFO L93 Difference]: Finished difference Result 2737 states and 3668 transitions. [2021-11-19 05:24:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:47,931 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:47,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:47,933 INFO L225 Difference]: With dead ends: 2737 [2021-11-19 05:24:47,933 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:47,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:24:47,934 INFO L933 BasicCegarLoop]: 1050 mSDtfsCounter, 6289 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 3325 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6289 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 3730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 3325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:47,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6289 Valid, 4305 Invalid, 3730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 3325 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:24:47,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:24:48,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1566. [2021-11-19 05:24:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.3363695510735198) internal successors, (2054), 1565 states have internal predecessors, (2054), 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) [2021-11-19 05:24:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2054 transitions. [2021-11-19 05:24:48,466 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2054 transitions. Word has length 115 [2021-11-19 05:24:48,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:48,466 INFO L470 AbstractCegarLoop]: Abstraction has 1566 states and 2054 transitions. [2021-11-19 05:24:48,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2054 transitions. [2021-11-19 05:24:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:48,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:48,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:48,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-11-19 05:24:48,469 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:48,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:48,469 INFO L85 PathProgramCache]: Analyzing trace with hash -2040350285, now seen corresponding path program 1 times [2021-11-19 05:24:48,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:48,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569429957] [2021-11-19 05:24:48,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:48,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:48,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:48,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569429957] [2021-11-19 05:24:48,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569429957] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:48,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:48,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:48,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403334675] [2021-11-19 05:24:48,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:48,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:48,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:48,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:48,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:48,565 INFO L87 Difference]: Start difference. First operand 1566 states and 2054 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:51,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:51,803 INFO L93 Difference]: Finished difference Result 2737 states and 3667 transitions. [2021-11-19 05:24:51,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:51,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:51,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:51,805 INFO L225 Difference]: With dead ends: 2737 [2021-11-19 05:24:51,806 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:51,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:24:51,806 INFO L933 BasicCegarLoop]: 1050 mSDtfsCounter, 6285 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6285 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 3726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:51,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6285 Valid, 4305 Invalid, 3726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:24:51,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:24:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1566. [2021-11-19 05:24:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.335718932986337) internal successors, (2053), 1565 states have internal predecessors, (2053), 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) [2021-11-19 05:24:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2053 transitions. [2021-11-19 05:24:52,325 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2053 transitions. Word has length 115 [2021-11-19 05:24:52,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:52,326 INFO L470 AbstractCegarLoop]: Abstraction has 1566 states and 2053 transitions. [2021-11-19 05:24:52,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2053 transitions. [2021-11-19 05:24:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:52,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:52,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:52,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-11-19 05:24:52,327 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:52,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:52,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1473271636, now seen corresponding path program 1 times [2021-11-19 05:24:52,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:52,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808318292] [2021-11-19 05:24:52,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:52,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:52,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:52,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808318292] [2021-11-19 05:24:52,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808318292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:52,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:52,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:52,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256380180] [2021-11-19 05:24:52,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:52,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:52,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:52,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:52,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:52,419 INFO L87 Difference]: Start difference. First operand 1566 states and 2053 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:55,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:55,615 INFO L93 Difference]: Finished difference Result 2739 states and 3668 transitions. [2021-11-19 05:24:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:55,616 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:55,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:55,618 INFO L225 Difference]: With dead ends: 2739 [2021-11-19 05:24:55,618 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:55,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:24:55,619 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 5320 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5320 SdHoareTripleChecker+Valid, 4497 SdHoareTripleChecker+Invalid, 3872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:55,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5320 Valid, 4497 Invalid, 3872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [370 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:24:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:24:56,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1562. [2021-11-19 05:24:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1533 states have (on average 1.3359425962165687) internal successors, (2048), 1561 states have internal predecessors, (2048), 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) [2021-11-19 05:24:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2048 transitions. [2021-11-19 05:24:56,144 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2048 transitions. Word has length 115 [2021-11-19 05:24:56,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:24:56,144 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2048 transitions. [2021-11-19 05:24:56,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2048 transitions. [2021-11-19 05:24:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:24:56,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:24:56,145 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:56,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-11-19 05:24:56,146 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:24:56,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:56,146 INFO L85 PathProgramCache]: Analyzing trace with hash -829637191, now seen corresponding path program 1 times [2021-11-19 05:24:56,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:56,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211588893] [2021-11-19 05:24:56,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:56,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:56,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:24:56,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211588893] [2021-11-19 05:24:56,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211588893] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:24:56,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:24:56,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:24:56,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800283073] [2021-11-19 05:24:56,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:24:56,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:24:56,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:24:56,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:24:56,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:24:56,274 INFO L87 Difference]: Start difference. First operand 1562 states and 2048 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:24:59,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:24:59,557 INFO L93 Difference]: Finished difference Result 2738 states and 3666 transitions. [2021-11-19 05:24:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:24:59,558 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:24:59,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:24:59,560 INFO L225 Difference]: With dead ends: 2738 [2021-11-19 05:24:59,560 INFO L226 Difference]: Without dead ends: 2571 [2021-11-19 05:24:59,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:24:59,561 INFO L933 BasicCegarLoop]: 1119 mSDtfsCounter, 5860 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 3489 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5860 SdHoareTripleChecker+Valid, 4587 SdHoareTripleChecker+Invalid, 3824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 3489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:24:59,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5860 Valid, 4587 Invalid, 3824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 3489 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:24:59,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2021-11-19 05:25:00,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 1562. [2021-11-19 05:25:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1533 states have (on average 1.33529028049576) internal successors, (2047), 1561 states have internal predecessors, (2047), 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) [2021-11-19 05:25:00,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2047 transitions. [2021-11-19 05:25:00,110 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2047 transitions. Word has length 115 [2021-11-19 05:25:00,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:00,110 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2047 transitions. [2021-11-19 05:25:00,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:00,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2047 transitions. [2021-11-19 05:25:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:00,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:00,111 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:00,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-11-19 05:25:00,111 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:00,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash 223460177, now seen corresponding path program 1 times [2021-11-19 05:25:00,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:00,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441269145] [2021-11-19 05:25:00,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:00,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:00,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:00,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441269145] [2021-11-19 05:25:00,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441269145] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:00,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:00,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:25:00,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713555846] [2021-11-19 05:25:00,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:00,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:25:00,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:00,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:25:00,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:25:00,283 INFO L87 Difference]: Start difference. First operand 1562 states and 2047 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:25:06,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:06,093 INFO L93 Difference]: Finished difference Result 3530 states and 4839 transitions. [2021-11-19 05:25:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:25:06,093 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:06,096 INFO L225 Difference]: With dead ends: 3530 [2021-11-19 05:25:06,096 INFO L226 Difference]: Without dead ends: 3364 [2021-11-19 05:25:06,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:25:06,097 INFO L933 BasicCegarLoop]: 1112 mSDtfsCounter, 9865 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 4655 mSolverCounterSat, 1462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9865 SdHoareTripleChecker+Valid, 5812 SdHoareTripleChecker+Invalid, 6117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1462 IncrementalHoareTripleChecker+Valid, 4655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:06,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9865 Valid, 5812 Invalid, 6117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1462 Valid, 4655 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 05:25:06,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3364 states. [2021-11-19 05:25:06,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3364 to 1566. [2021-11-19 05:25:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.3344176968119714) internal successors, (2051), 1565 states have internal predecessors, (2051), 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) [2021-11-19 05:25:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2051 transitions. [2021-11-19 05:25:06,656 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2051 transitions. Word has length 115 [2021-11-19 05:25:06,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:06,656 INFO L470 AbstractCegarLoop]: Abstraction has 1566 states and 2051 transitions. [2021-11-19 05:25:06,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:25:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2051 transitions. [2021-11-19 05:25:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:06,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:06,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:06,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-11-19 05:25:06,658 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:06,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:06,658 INFO L85 PathProgramCache]: Analyzing trace with hash -849933891, now seen corresponding path program 1 times [2021-11-19 05:25:06,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:06,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130351792] [2021-11-19 05:25:06,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:06,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:06,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:06,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130351792] [2021-11-19 05:25:06,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130351792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:06,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:06,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:06,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436567228] [2021-11-19 05:25:06,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:06,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:06,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:06,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:06,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:06,761 INFO L87 Difference]: Start difference. First operand 1566 states and 2051 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:10,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:10,091 INFO L93 Difference]: Finished difference Result 2737 states and 3663 transitions. [2021-11-19 05:25:10,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:25:10,091 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:10,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:10,093 INFO L225 Difference]: With dead ends: 2737 [2021-11-19 05:25:10,093 INFO L226 Difference]: Without dead ends: 2570 [2021-11-19 05:25:10,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:25:10,094 INFO L933 BasicCegarLoop]: 1114 mSDtfsCounter, 5914 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 3497 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5914 SdHoareTripleChecker+Valid, 4562 SdHoareTripleChecker+Invalid, 3898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 3497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:10,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5914 Valid, 4562 Invalid, 3898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3497 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:25:10,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2021-11-19 05:25:10,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 1565. [2021-11-19 05:25:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1536 states have (on average 1.333984375) internal successors, (2049), 1564 states have internal predecessors, (2049), 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) [2021-11-19 05:25:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2049 transitions. [2021-11-19 05:25:10,666 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2049 transitions. Word has length 115 [2021-11-19 05:25:10,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:10,667 INFO L470 AbstractCegarLoop]: Abstraction has 1565 states and 2049 transitions. [2021-11-19 05:25:10,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2049 transitions. [2021-11-19 05:25:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:10,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:10,668 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:10,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-11-19 05:25:10,668 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:10,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash 763894283, now seen corresponding path program 1 times [2021-11-19 05:25:10,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:10,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439691221] [2021-11-19 05:25:10,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:10,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:10,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:10,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439691221] [2021-11-19 05:25:10,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439691221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:10,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:10,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:25:10,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569552315] [2021-11-19 05:25:10,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:10,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:25:10,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:10,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:25:10,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:25:10,858 INFO L87 Difference]: Start difference. First operand 1565 states and 2049 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:25:16,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:16,390 INFO L93 Difference]: Finished difference Result 3529 states and 4836 transitions. [2021-11-19 05:25:16,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:25:16,390 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:16,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:16,393 INFO L225 Difference]: With dead ends: 3529 [2021-11-19 05:25:16,393 INFO L226 Difference]: Without dead ends: 3362 [2021-11-19 05:25:16,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:25:16,395 INFO L933 BasicCegarLoop]: 1112 mSDtfsCounter, 8392 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 3722 mSolverCounterSat, 1231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8392 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 4953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1231 IncrementalHoareTripleChecker+Valid, 3722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:16,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8392 Valid, 4746 Invalid, 4953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1231 Valid, 3722 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 05:25:16,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2021-11-19 05:25:16,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 1569. [2021-11-19 05:25:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1540 states have (on average 1.3331168831168831) internal successors, (2053), 1568 states have internal predecessors, (2053), 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) [2021-11-19 05:25:16,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2053 transitions. [2021-11-19 05:25:16,957 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2053 transitions. Word has length 115 [2021-11-19 05:25:16,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:16,957 INFO L470 AbstractCegarLoop]: Abstraction has 1569 states and 2053 transitions. [2021-11-19 05:25:16,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:25:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2053 transitions. [2021-11-19 05:25:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:16,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:16,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:16,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-11-19 05:25:16,959 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:16,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:16,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1082729650, now seen corresponding path program 1 times [2021-11-19 05:25:16,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:16,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38916605] [2021-11-19 05:25:16,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:16,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:17,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:17,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38916605] [2021-11-19 05:25:17,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38916605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:17,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:17,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:17,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622953168] [2021-11-19 05:25:17,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:17,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:17,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:17,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:17,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:17,063 INFO L87 Difference]: Start difference. First operand 1569 states and 2053 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:20,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:20,484 INFO L93 Difference]: Finished difference Result 2736 states and 3660 transitions. [2021-11-19 05:25:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:25:20,485 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:20,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:20,487 INFO L225 Difference]: With dead ends: 2736 [2021-11-19 05:25:20,487 INFO L226 Difference]: Without dead ends: 2569 [2021-11-19 05:25:20,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:25:20,487 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 4711 mSDsluCounter, 4116 mSDsCounter, 0 mSdLazyCounter, 3873 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4711 SdHoareTripleChecker+Valid, 5168 SdHoareTripleChecker+Invalid, 4143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 3873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:20,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4711 Valid, 5168 Invalid, 4143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 3873 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 05:25:20,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2021-11-19 05:25:21,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 1569. [2021-11-19 05:25:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1540 states have (on average 1.3324675324675326) internal successors, (2052), 1568 states have internal predecessors, (2052), 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) [2021-11-19 05:25:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2052 transitions. [2021-11-19 05:25:21,032 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2052 transitions. Word has length 115 [2021-11-19 05:25:21,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:21,032 INFO L470 AbstractCegarLoop]: Abstraction has 1569 states and 2052 transitions. [2021-11-19 05:25:21,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2052 transitions. [2021-11-19 05:25:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:21,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:21,033 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:21,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-11-19 05:25:21,033 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:21,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:21,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1412907733, now seen corresponding path program 1 times [2021-11-19 05:25:21,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:21,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601642076] [2021-11-19 05:25:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:21,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:21,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:21,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601642076] [2021-11-19 05:25:21,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601642076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:21,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:21,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:21,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142589784] [2021-11-19 05:25:21,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:21,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:21,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:21,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:21,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:21,124 INFO L87 Difference]: Start difference. First operand 1569 states and 2052 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:24,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:24,363 INFO L93 Difference]: Finished difference Result 2737 states and 3660 transitions. [2021-11-19 05:25:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:25:24,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:24,366 INFO L225 Difference]: With dead ends: 2737 [2021-11-19 05:25:24,366 INFO L226 Difference]: Without dead ends: 2569 [2021-11-19 05:25:24,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:25:24,367 INFO L933 BasicCegarLoop]: 1121 mSDtfsCounter, 6124 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 3462 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6124 SdHoareTripleChecker+Valid, 4510 SdHoareTripleChecker+Invalid, 3866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 3462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:24,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6124 Valid, 4510 Invalid, 3866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 3462 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:25:24,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2021-11-19 05:25:24,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 1565. [2021-11-19 05:25:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1536 states have (on average 1.3326822916666667) internal successors, (2047), 1564 states have internal predecessors, (2047), 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) [2021-11-19 05:25:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2047 transitions. [2021-11-19 05:25:24,912 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2047 transitions. Word has length 115 [2021-11-19 05:25:24,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:24,912 INFO L470 AbstractCegarLoop]: Abstraction has 1565 states and 2047 transitions. [2021-11-19 05:25:24,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2047 transitions. [2021-11-19 05:25:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:24,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:24,913 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:24,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-11-19 05:25:24,914 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:24,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:24,914 INFO L85 PathProgramCache]: Analyzing trace with hash 647316580, now seen corresponding path program 1 times [2021-11-19 05:25:24,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:24,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509035295] [2021-11-19 05:25:24,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:24,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:25,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:25,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509035295] [2021-11-19 05:25:25,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509035295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:25,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:25,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:25,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094338933] [2021-11-19 05:25:25,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:25,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:25,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:25,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:25,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:25,012 INFO L87 Difference]: Start difference. First operand 1565 states and 2047 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:28,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:28,286 INFO L93 Difference]: Finished difference Result 2735 states and 3657 transitions. [2021-11-19 05:25:28,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:25:28,286 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:28,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:28,289 INFO L225 Difference]: With dead ends: 2735 [2021-11-19 05:25:28,289 INFO L226 Difference]: Without dead ends: 2568 [2021-11-19 05:25:28,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:25:28,290 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 6241 mSDsluCounter, 3261 mSDsCounter, 0 mSdLazyCounter, 3282 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6241 SdHoareTripleChecker+Valid, 4313 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 3282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:28,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6241 Valid, 4313 Invalid, 3687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 3282 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:25:28,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2021-11-19 05:25:28,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 1564. [2021-11-19 05:25:28,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3322475570032573) internal successors, (2045), 1563 states have internal predecessors, (2045), 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) [2021-11-19 05:25:28,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2045 transitions. [2021-11-19 05:25:28,855 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2045 transitions. Word has length 115 [2021-11-19 05:25:28,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:28,855 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2045 transitions. [2021-11-19 05:25:28,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2045 transitions. [2021-11-19 05:25:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:28,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:28,856 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:28,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-11-19 05:25:28,856 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:28,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:28,857 INFO L85 PathProgramCache]: Analyzing trace with hash -53615952, now seen corresponding path program 1 times [2021-11-19 05:25:28,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:28,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352960509] [2021-11-19 05:25:28,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:28,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:28,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:28,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352960509] [2021-11-19 05:25:28,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352960509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:28,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:28,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:28,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168359773] [2021-11-19 05:25:28,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:28,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:28,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:28,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:28,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:28,956 INFO L87 Difference]: Start difference. First operand 1564 states and 2045 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:32,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:32,274 INFO L93 Difference]: Finished difference Result 2734 states and 3655 transitions. [2021-11-19 05:25:32,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:25:32,274 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:32,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:32,276 INFO L225 Difference]: With dead ends: 2734 [2021-11-19 05:25:32,276 INFO L226 Difference]: Without dead ends: 2567 [2021-11-19 05:25:32,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:25:32,277 INFO L933 BasicCegarLoop]: 1115 mSDtfsCounter, 5884 mSDsluCounter, 3451 mSDsCounter, 0 mSdLazyCounter, 3467 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5884 SdHoareTripleChecker+Valid, 4566 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 3467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:32,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5884 Valid, 4566 Invalid, 3868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3467 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:25:32,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2021-11-19 05:25:32,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 1563. [2021-11-19 05:25:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1534 states have (on average 1.3318122555410692) internal successors, (2043), 1562 states have internal predecessors, (2043), 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) [2021-11-19 05:25:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2043 transitions. [2021-11-19 05:25:32,827 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2043 transitions. Word has length 115 [2021-11-19 05:25:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:32,827 INFO L470 AbstractCegarLoop]: Abstraction has 1563 states and 2043 transitions. [2021-11-19 05:25:32,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2043 transitions. [2021-11-19 05:25:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:32,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:32,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:32,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-11-19 05:25:32,829 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:32,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:32,829 INFO L85 PathProgramCache]: Analyzing trace with hash 62961751, now seen corresponding path program 1 times [2021-11-19 05:25:32,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:32,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199018581] [2021-11-19 05:25:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:32,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:32,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:32,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199018581] [2021-11-19 05:25:32,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199018581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:32,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:32,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:25:32,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909918039] [2021-11-19 05:25:32,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:32,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:25:32,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:32,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:25:32,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:25:32,981 INFO L87 Difference]: Start difference. First operand 1563 states and 2043 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:25:38,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:38,868 INFO L93 Difference]: Finished difference Result 3526 states and 4828 transitions. [2021-11-19 05:25:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:25:38,869 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:38,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:38,871 INFO L225 Difference]: With dead ends: 3526 [2021-11-19 05:25:38,871 INFO L226 Difference]: Without dead ends: 3359 [2021-11-19 05:25:38,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:25:38,872 INFO L933 BasicCegarLoop]: 1113 mSDtfsCounter, 9830 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 4596 mSolverCounterSat, 1436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9830 SdHoareTripleChecker+Valid, 5816 SdHoareTripleChecker+Invalid, 6032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1436 IncrementalHoareTripleChecker+Valid, 4596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:38,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9830 Valid, 5816 Invalid, 6032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1436 Valid, 4596 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 05:25:38,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3359 states. [2021-11-19 05:25:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3359 to 1567. [2021-11-19 05:25:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1538 states have (on average 1.3309492847854356) internal successors, (2047), 1566 states have internal predecessors, (2047), 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) [2021-11-19 05:25:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2047 transitions. [2021-11-19 05:25:39,417 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2047 transitions. Word has length 115 [2021-11-19 05:25:39,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:39,417 INFO L470 AbstractCegarLoop]: Abstraction has 1567 states and 2047 transitions. [2021-11-19 05:25:39,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:25:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2047 transitions. [2021-11-19 05:25:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:39,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:39,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:39,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-11-19 05:25:39,419 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:39,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:39,419 INFO L85 PathProgramCache]: Analyzing trace with hash 238495787, now seen corresponding path program 1 times [2021-11-19 05:25:39,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:39,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831175845] [2021-11-19 05:25:39,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:39,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:39,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:39,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831175845] [2021-11-19 05:25:39,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831175845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:39,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:39,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:39,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53201934] [2021-11-19 05:25:39,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:39,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:39,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:39,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:39,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:39,537 INFO L87 Difference]: Start difference. First operand 1567 states and 2047 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:42,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:42,752 INFO L93 Difference]: Finished difference Result 2733 states and 3652 transitions. [2021-11-19 05:25:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:25:42,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:42,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:42,754 INFO L225 Difference]: With dead ends: 2733 [2021-11-19 05:25:42,754 INFO L226 Difference]: Without dead ends: 2566 [2021-11-19 05:25:42,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:25:42,755 INFO L933 BasicCegarLoop]: 1120 mSDtfsCounter, 5823 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 3428 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5823 SdHoareTripleChecker+Valid, 4591 SdHoareTripleChecker+Invalid, 3763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 3428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:42,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5823 Valid, 4591 Invalid, 3763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 3428 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:25:42,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2566 states. [2021-11-19 05:25:43,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2566 to 1567. [2021-11-19 05:25:43,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1538 states have (on average 1.330299089726918) internal successors, (2046), 1566 states have internal predecessors, (2046), 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) [2021-11-19 05:25:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2046 transitions. [2021-11-19 05:25:43,305 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2046 transitions. Word has length 115 [2021-11-19 05:25:43,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:43,305 INFO L470 AbstractCegarLoop]: Abstraction has 1567 states and 2046 transitions. [2021-11-19 05:25:43,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2046 transitions. [2021-11-19 05:25:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:43,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:43,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:43,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-11-19 05:25:43,307 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:43,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:43,308 INFO L85 PathProgramCache]: Analyzing trace with hash -276032326, now seen corresponding path program 1 times [2021-11-19 05:25:43,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:43,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803319478] [2021-11-19 05:25:43,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:43,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:43,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:43,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803319478] [2021-11-19 05:25:43,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803319478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:43,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:43,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:25:43,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569981087] [2021-11-19 05:25:43,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:43,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:25:43,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:43,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:25:43,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:25:43,500 INFO L87 Difference]: Start difference. First operand 1567 states and 2046 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:25:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:49,263 INFO L93 Difference]: Finished difference Result 3525 states and 4825 transitions. [2021-11-19 05:25:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 05:25:49,264 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:49,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:49,267 INFO L225 Difference]: With dead ends: 3525 [2021-11-19 05:25:49,267 INFO L226 Difference]: Without dead ends: 3358 [2021-11-19 05:25:49,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:25:49,269 INFO L933 BasicCegarLoop]: 1113 mSDtfsCounter, 9875 mSDsluCounter, 4279 mSDsCounter, 0 mSdLazyCounter, 4353 mSolverCounterSat, 1438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9875 SdHoareTripleChecker+Valid, 5392 SdHoareTripleChecker+Invalid, 5791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1438 IncrementalHoareTripleChecker+Valid, 4353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:49,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9875 Valid, 5392 Invalid, 5791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1438 Valid, 4353 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 05:25:49,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2021-11-19 05:25:49,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 1571. [2021-11-19 05:25:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.3294422827496757) internal successors, (2050), 1570 states have internal predecessors, (2050), 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) [2021-11-19 05:25:49,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2050 transitions. [2021-11-19 05:25:49,830 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2050 transitions. Word has length 115 [2021-11-19 05:25:49,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:49,831 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2050 transitions. [2021-11-19 05:25:49,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2021-11-19 05:25:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2050 transitions. [2021-11-19 05:25:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:49,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:49,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:49,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-11-19 05:25:49,833 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:49,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:49,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2014413220, now seen corresponding path program 1 times [2021-11-19 05:25:49,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:49,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131021898] [2021-11-19 05:25:49,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:49,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:49,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:49,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131021898] [2021-11-19 05:25:49,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131021898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:49,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:49,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:49,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444777350] [2021-11-19 05:25:49,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:49,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:49,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:49,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:49,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:49,938 INFO L87 Difference]: Start difference. First operand 1571 states and 2050 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:53,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:53,198 INFO L93 Difference]: Finished difference Result 2732 states and 3649 transitions. [2021-11-19 05:25:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:25:53,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:53,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:53,201 INFO L225 Difference]: With dead ends: 2732 [2021-11-19 05:25:53,201 INFO L226 Difference]: Without dead ends: 2565 [2021-11-19 05:25:53,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:25:53,202 INFO L933 BasicCegarLoop]: 1053 mSDtfsCounter, 4688 mSDsluCounter, 3691 mSDsCounter, 0 mSdLazyCounter, 3532 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4688 SdHoareTripleChecker+Valid, 4744 SdHoareTripleChecker+Invalid, 3802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 3532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:53,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4688 Valid, 4744 Invalid, 3802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 3532 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:25:53,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2021-11-19 05:25:53,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 1571. [2021-11-19 05:25:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.328793774319066) internal successors, (2049), 1570 states have internal predecessors, (2049), 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) [2021-11-19 05:25:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2049 transitions. [2021-11-19 05:25:53,783 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2049 transitions. Word has length 115 [2021-11-19 05:25:53,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:53,783 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2049 transitions. [2021-11-19 05:25:53,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2049 transitions. [2021-11-19 05:25:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:53,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:53,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:53,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-11-19 05:25:53,785 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:53,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:53,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1559573731, now seen corresponding path program 1 times [2021-11-19 05:25:53,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:53,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446909356] [2021-11-19 05:25:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:53,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:53,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:53,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446909356] [2021-11-19 05:25:53,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446909356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:53,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:53,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:53,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653758980] [2021-11-19 05:25:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:53,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:53,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:53,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:53,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:53,883 INFO L87 Difference]: Start difference. First operand 1571 states and 2049 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:57,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:57,261 INFO L93 Difference]: Finished difference Result 2700 states and 3597 transitions. [2021-11-19 05:25:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:25:57,262 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:25:57,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:57,264 INFO L225 Difference]: With dead ends: 2700 [2021-11-19 05:25:57,264 INFO L226 Difference]: Without dead ends: 2534 [2021-11-19 05:25:57,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:25:57,264 INFO L933 BasicCegarLoop]: 1112 mSDtfsCounter, 4548 mSDsluCounter, 3857 mSDsCounter, 0 mSdLazyCounter, 3699 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4548 SdHoareTripleChecker+Valid, 4969 SdHoareTripleChecker+Invalid, 3968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 3699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:57,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4548 Valid, 4969 Invalid, 3968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 3699 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:25:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2021-11-19 05:25:57,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 1574. [2021-11-19 05:25:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1545 states have (on average 1.3288025889967638) internal successors, (2053), 1573 states have internal predecessors, (2053), 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) [2021-11-19 05:25:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2053 transitions. [2021-11-19 05:25:57,819 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2053 transitions. Word has length 115 [2021-11-19 05:25:57,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:57,819 INFO L470 AbstractCegarLoop]: Abstraction has 1574 states and 2053 transitions. [2021-11-19 05:25:57,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:25:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2053 transitions. [2021-11-19 05:25:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 05:25:57,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:57,820 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:57,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-11-19 05:25:57,821 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:25:57,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:57,821 INFO L85 PathProgramCache]: Analyzing trace with hash -420881955, now seen corresponding path program 1 times [2021-11-19 05:25:57,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:25:57,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754400136] [2021-11-19 05:25:57,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:57,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:25:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:57,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:25:57,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754400136] [2021-11-19 05:25:57,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754400136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:57,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:57,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:25:57,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772436715] [2021-11-19 05:25:57,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:57,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:57,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:25:57,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:57,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:57,912 INFO L87 Difference]: Start difference. First operand 1574 states and 2053 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:26:01,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:01,323 INFO L93 Difference]: Finished difference Result 2733 states and 3649 transitions. [2021-11-19 05:26:01,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:26:01,323 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2021-11-19 05:26:01,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:01,325 INFO L225 Difference]: With dead ends: 2733 [2021-11-19 05:26:01,325 INFO L226 Difference]: Without dead ends: 2566 [2021-11-19 05:26:01,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:26:01,326 INFO L933 BasicCegarLoop]: 1124 mSDtfsCounter, 4574 mSDsluCounter, 4206 mSDsCounter, 0 mSdLazyCounter, 3988 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4574 SdHoareTripleChecker+Valid, 5330 SdHoareTripleChecker+Invalid, 4256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 3988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:01,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4574 Valid, 5330 Invalid, 4256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 3988 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:26:01,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2566 states. [2021-11-19 05:26:01,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2566 to 1574. [2021-11-19 05:26:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1545 states have (on average 1.3281553398058252) internal successors, (2052), 1573 states have internal predecessors, (2052), 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) [2021-11-19 05:26:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2052 transitions. [2021-11-19 05:26:01,877 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2052 transitions. Word has length 115 [2021-11-19 05:26:01,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:01,877 INFO L470 AbstractCegarLoop]: Abstraction has 1574 states and 2052 transitions. [2021-11-19 05:26:01,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 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) [2021-11-19 05:26:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2052 transitions. [2021-11-19 05:26:01,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:26:01,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:01,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:01,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-19 05:26:01,878 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:26:01,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:01,879 INFO L85 PathProgramCache]: Analyzing trace with hash 316993297, now seen corresponding path program 1 times [2021-11-19 05:26:01,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:26:01,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933650208] [2021-11-19 05:26:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:01,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:26:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:02,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:26:02,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933650208] [2021-11-19 05:26:02,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933650208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:02,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:02,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-19 05:26:02,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438482547] [2021-11-19 05:26:02,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:02,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 05:26:02,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:26:02,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 05:26:02,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:26:02,486 INFO L87 Difference]: Start difference. First operand 1574 states and 2052 transitions. Second operand has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 17 states have internal predecessors, (116), 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) [2021-11-19 05:26:05,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:05,300 INFO L93 Difference]: Finished difference Result 2505 states and 3350 transitions. [2021-11-19 05:26:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 05:26:05,300 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 17 states have internal predecessors, (116), 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 116 [2021-11-19 05:26:05,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:05,302 INFO L225 Difference]: With dead ends: 2505 [2021-11-19 05:26:05,302 INFO L226 Difference]: Without dead ends: 1945 [2021-11-19 05:26:05,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=702, Unknown=0, NotChecked=0, Total=870 [2021-11-19 05:26:05,303 INFO L933 BasicCegarLoop]: 1756 mSDtfsCounter, 5719 mSDsluCounter, 15218 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5719 SdHoareTripleChecker+Valid, 16974 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:05,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5719 Valid, 16974 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-19 05:26:05,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2021-11-19 05:26:05,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1382. [2021-11-19 05:26:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 1354 states have (on average 1.325701624815362) internal successors, (1795), 1381 states have internal predecessors, (1795), 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) [2021-11-19 05:26:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1795 transitions. [2021-11-19 05:26:05,807 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1795 transitions. Word has length 116 [2021-11-19 05:26:05,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:05,807 INFO L470 AbstractCegarLoop]: Abstraction has 1382 states and 1795 transitions. [2021-11-19 05:26:05,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 17 states have internal predecessors, (116), 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) [2021-11-19 05:26:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1795 transitions. [2021-11-19 05:26:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:26:05,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:05,808 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:05,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-19 05:26:05,808 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:26:05,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:05,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1414797103, now seen corresponding path program 1 times [2021-11-19 05:26:05,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:26:05,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490048481] [2021-11-19 05:26:05,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:05,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:26:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:06,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:26:06,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490048481] [2021-11-19 05:26:06,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490048481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:06,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:06,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 05:26:06,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834385620] [2021-11-19 05:26:06,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:06,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:26:06,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:26:06,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:26:06,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:26:06,177 INFO L87 Difference]: Start difference. First operand 1382 states and 1795 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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) [2021-11-19 05:26:10,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:10,629 INFO L93 Difference]: Finished difference Result 2893 states and 3717 transitions. [2021-11-19 05:26:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:26:10,629 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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 116 [2021-11-19 05:26:10,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:10,632 INFO L225 Difference]: With dead ends: 2893 [2021-11-19 05:26:10,632 INFO L226 Difference]: Without dead ends: 2721 [2021-11-19 05:26:10,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2021-11-19 05:26:10,633 INFO L933 BasicCegarLoop]: 1590 mSDtfsCounter, 4851 mSDsluCounter, 9655 mSDsCounter, 0 mSdLazyCounter, 4488 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4851 SdHoareTripleChecker+Valid, 11245 SdHoareTripleChecker+Invalid, 4864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 4488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:10,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4851 Valid, 11245 Invalid, 4864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 4488 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 05:26:10,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2021-11-19 05:26:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1372. [2021-11-19 05:26:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1345 states have (on average 1.3234200743494424) internal successors, (1780), 1371 states have internal predecessors, (1780), 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) [2021-11-19 05:26:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1780 transitions. [2021-11-19 05:26:11,224 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1780 transitions. Word has length 116 [2021-11-19 05:26:11,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:11,224 INFO L470 AbstractCegarLoop]: Abstraction has 1372 states and 1780 transitions. [2021-11-19 05:26:11,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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) [2021-11-19 05:26:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1780 transitions. [2021-11-19 05:26:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:26:11,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:11,225 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:11,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-19 05:26:11,225 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:26:11,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:11,226 INFO L85 PathProgramCache]: Analyzing trace with hash 454197590, now seen corresponding path program 1 times [2021-11-19 05:26:11,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:26:11,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451091987] [2021-11-19 05:26:11,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:11,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:26:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:11,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:26:11,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451091987] [2021-11-19 05:26:11,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451091987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:11,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:11,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 05:26:11,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260780462] [2021-11-19 05:26:11,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:11,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:26:11,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:26:11,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:26:11,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:26:11,559 INFO L87 Difference]: Start difference. First operand 1372 states and 1780 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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) [2021-11-19 05:26:15,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:15,401 INFO L93 Difference]: Finished difference Result 2884 states and 3701 transitions. [2021-11-19 05:26:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:26:15,402 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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 116 [2021-11-19 05:26:15,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:15,404 INFO L225 Difference]: With dead ends: 2884 [2021-11-19 05:26:15,404 INFO L226 Difference]: Without dead ends: 2712 [2021-11-19 05:26:15,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2021-11-19 05:26:15,405 INFO L933 BasicCegarLoop]: 1491 mSDtfsCounter, 7571 mSDsluCounter, 5752 mSDsCounter, 0 mSdLazyCounter, 2914 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7571 SdHoareTripleChecker+Valid, 7243 SdHoareTripleChecker+Invalid, 3490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 2914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:15,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7571 Valid, 7243 Invalid, 3490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 2914 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 05:26:15,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2021-11-19 05:26:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 1360. [2021-11-19 05:26:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1360 states, 1334 states have (on average 1.3215892053973013) internal successors, (1763), 1359 states have internal predecessors, (1763), 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) [2021-11-19 05:26:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1763 transitions. [2021-11-19 05:26:15,942 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1763 transitions. Word has length 116 [2021-11-19 05:26:15,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:15,942 INFO L470 AbstractCegarLoop]: Abstraction has 1360 states and 1763 transitions. [2021-11-19 05:26:15,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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) [2021-11-19 05:26:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1763 transitions. [2021-11-19 05:26:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:26:15,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:15,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:15,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-11-19 05:26:15,944 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:26:15,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1776329469, now seen corresponding path program 1 times [2021-11-19 05:26:15,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:26:15,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921088369] [2021-11-19 05:26:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:15,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:26:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:17,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:26:17,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921088369] [2021-11-19 05:26:17,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921088369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:17,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:17,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2021-11-19 05:26:17,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577956772] [2021-11-19 05:26:17,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:17,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-19 05:26:17,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:26:17,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-19 05:26:17,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 05:26:17,595 INFO L87 Difference]: Start difference. First operand 1360 states and 1763 transitions. Second operand has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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) [2021-11-19 05:26:41,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:41,048 INFO L93 Difference]: Finished difference Result 3416 states and 4540 transitions. [2021-11-19 05:26:41,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-19 05:26:41,049 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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 116 [2021-11-19 05:26:41,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:41,051 INFO L225 Difference]: With dead ends: 3416 [2021-11-19 05:26:41,051 INFO L226 Difference]: Without dead ends: 3243 [2021-11-19 05:26:41,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=733, Invalid=4379, Unknown=0, NotChecked=0, Total=5112 [2021-11-19 05:26:41,052 INFO L933 BasicCegarLoop]: 2642 mSDtfsCounter, 9261 mSDsluCounter, 46677 mSDsCounter, 0 mSdLazyCounter, 33130 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9261 SdHoareTripleChecker+Valid, 49319 SdHoareTripleChecker+Invalid, 33415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 33130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:41,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9261 Valid, 49319 Invalid, 33415 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [285 Valid, 33130 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2021-11-19 05:26:41,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2021-11-19 05:26:41,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 1384. [2021-11-19 05:26:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 1358 states have (on average 1.3203240058910162) internal successors, (1793), 1383 states have internal predecessors, (1793), 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) [2021-11-19 05:26:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1793 transitions. [2021-11-19 05:26:41,646 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1793 transitions. Word has length 116 [2021-11-19 05:26:41,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:41,646 INFO L470 AbstractCegarLoop]: Abstraction has 1384 states and 1793 transitions. [2021-11-19 05:26:41,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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) [2021-11-19 05:26:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1793 transitions. [2021-11-19 05:26:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:26:41,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:41,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:41,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-11-19 05:26:41,647 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:26:41,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:41,648 INFO L85 PathProgramCache]: Analyzing trace with hash 599154818, now seen corresponding path program 1 times [2021-11-19 05:26:41,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:26:41,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973336784] [2021-11-19 05:26:41,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:41,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:26:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:43,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:26:43,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973336784] [2021-11-19 05:26:43,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973336784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:43,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:43,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-11-19 05:26:43,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172318850] [2021-11-19 05:26:43,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:43,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-19 05:26:43,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:26:43,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-19 05:26:43,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 05:26:43,198 INFO L87 Difference]: Start difference. First operand 1384 states and 1793 transitions. Second operand has 36 states, 36 states have (on average 3.2222222222222223) internal successors, (116), 36 states have internal predecessors, (116), 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) [2021-11-19 05:27:07,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:27:07,487 INFO L93 Difference]: Finished difference Result 3427 states and 4555 transitions. [2021-11-19 05:27:07,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 05:27:07,488 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.2222222222222223) internal successors, (116), 36 states have internal predecessors, (116), 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 116 [2021-11-19 05:27:07,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:27:07,491 INFO L225 Difference]: With dead ends: 3427 [2021-11-19 05:27:07,491 INFO L226 Difference]: Without dead ends: 3254 [2021-11-19 05:27:07,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=683, Invalid=4009, Unknown=0, NotChecked=0, Total=4692 [2021-11-19 05:27:07,492 INFO L933 BasicCegarLoop]: 2837 mSDtfsCounter, 7940 mSDsluCounter, 48076 mSDsCounter, 0 mSdLazyCounter, 31810 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7940 SdHoareTripleChecker+Valid, 50913 SdHoareTripleChecker+Invalid, 32085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 31810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:27:07,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7940 Valid, 50913 Invalid, 32085 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [275 Valid, 31810 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2021-11-19 05:27:07,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2021-11-19 05:27:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 1398. [2021-11-19 05:27:08,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1372 states have (on average 1.3199708454810495) internal successors, (1811), 1397 states have internal predecessors, (1811), 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) [2021-11-19 05:27:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1811 transitions. [2021-11-19 05:27:08,161 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1811 transitions. Word has length 116 [2021-11-19 05:27:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:27:08,162 INFO L470 AbstractCegarLoop]: Abstraction has 1398 states and 1811 transitions. [2021-11-19 05:27:08,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.2222222222222223) internal successors, (116), 36 states have internal predecessors, (116), 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) [2021-11-19 05:27:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1811 transitions. [2021-11-19 05:27:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:27:08,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:27:08,163 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:27:08,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-11-19 05:27:08,163 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:27:08,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:27:08,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1988149658, now seen corresponding path program 1 times [2021-11-19 05:27:08,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:27:08,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927878658] [2021-11-19 05:27:08,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:27:08,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:27:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:27:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:27:09,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:27:09,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927878658] [2021-11-19 05:27:09,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927878658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:27:09,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:27:09,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2021-11-19 05:27:09,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273413401] [2021-11-19 05:27:09,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:27:09,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-19 05:27:09,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:27:09,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-19 05:27:09,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1312, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 05:27:09,868 INFO L87 Difference]: Start difference. First operand 1398 states and 1811 transitions. Second operand has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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) [2021-11-19 05:27:36,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:27:36,845 INFO L93 Difference]: Finished difference Result 3423 states and 4551 transitions. [2021-11-19 05:27:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-19 05:27:36,846 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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 116 [2021-11-19 05:27:36,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:27:36,849 INFO L225 Difference]: With dead ends: 3423 [2021-11-19 05:27:36,849 INFO L226 Difference]: Without dead ends: 3254 [2021-11-19 05:27:36,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=672, Invalid=4440, Unknown=0, NotChecked=0, Total=5112 [2021-11-19 05:27:36,850 INFO L933 BasicCegarLoop]: 2639 mSDtfsCounter, 8687 mSDsluCounter, 50810 mSDsCounter, 0 mSdLazyCounter, 36675 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8687 SdHoareTripleChecker+Valid, 53449 SdHoareTripleChecker+Invalid, 36923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 36675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:27:36,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8687 Valid, 53449 Invalid, 36923 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [248 Valid, 36675 Invalid, 0 Unknown, 0 Unchecked, 20.8s Time] [2021-11-19 05:27:36,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2021-11-19 05:27:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 1403. [2021-11-19 05:27:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1403 states, 1377 states have (on average 1.3195352214960059) internal successors, (1817), 1402 states have internal predecessors, (1817), 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) [2021-11-19 05:27:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1817 transitions. [2021-11-19 05:27:37,549 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1817 transitions. Word has length 116 [2021-11-19 05:27:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:27:37,549 INFO L470 AbstractCegarLoop]: Abstraction has 1403 states and 1817 transitions. [2021-11-19 05:27:37,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.0526315789473686) internal successors, (116), 38 states have internal predecessors, (116), 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) [2021-11-19 05:27:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1817 transitions. [2021-11-19 05:27:37,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:27:37,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:27:37,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:27:37,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-11-19 05:27:37,551 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:27:37,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:27:37,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1087914688, now seen corresponding path program 1 times [2021-11-19 05:27:37,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:27:37,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276821053] [2021-11-19 05:27:37,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:27:37,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:27:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:27:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:27:37,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:27:37,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276821053] [2021-11-19 05:27:37,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276821053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:27:37,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:27:37,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 05:27:37,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319455267] [2021-11-19 05:27:37,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:27:37,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:27:37,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:27:37,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:27:37,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:27:37,925 INFO L87 Difference]: Start difference. First operand 1403 states and 1817 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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) [2021-11-19 05:27:43,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:27:43,294 INFO L93 Difference]: Finished difference Result 4168 states and 5702 transitions. [2021-11-19 05:27:43,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 05:27:43,295 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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 116 [2021-11-19 05:27:43,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:27:43,298 INFO L225 Difference]: With dead ends: 4168 [2021-11-19 05:27:43,298 INFO L226 Difference]: Without dead ends: 3872 [2021-11-19 05:27:43,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2021-11-19 05:27:43,299 INFO L933 BasicCegarLoop]: 2716 mSDtfsCounter, 5355 mSDsluCounter, 15587 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5355 SdHoareTripleChecker+Valid, 18303 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:27:43,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5355 Valid, 18303 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-19 05:27:43,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2021-11-19 05:27:43,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 1272. [2021-11-19 05:27:43,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1250 states have (on average 1.3176) internal successors, (1647), 1271 states have internal predecessors, (1647), 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) [2021-11-19 05:27:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1647 transitions. [2021-11-19 05:27:43,964 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1647 transitions. Word has length 116 [2021-11-19 05:27:43,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:27:43,965 INFO L470 AbstractCegarLoop]: Abstraction has 1272 states and 1647 transitions. [2021-11-19 05:27:43,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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) [2021-11-19 05:27:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1647 transitions. [2021-11-19 05:27:43,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:27:43,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:27:43,966 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:27:43,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-11-19 05:27:43,966 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:27:43,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:27:43,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1158531161, now seen corresponding path program 1 times [2021-11-19 05:27:43,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:27:43,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146502271] [2021-11-19 05:27:43,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:27:43,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:27:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:27:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:27:44,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:27:44,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146502271] [2021-11-19 05:27:44,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146502271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:27:44,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:27:44,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 05:27:44,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958079382] [2021-11-19 05:27:44,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:27:44,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:27:44,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:27:44,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:27:44,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:27:44,331 INFO L87 Difference]: Start difference. First operand 1272 states and 1647 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 12 states have internal predecessors, (116), 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) [2021-11-19 05:27:47,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:27:47,701 INFO L93 Difference]: Finished difference Result 2859 states and 3887 transitions. [2021-11-19 05:27:47,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:27:47,701 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 12 states have internal predecessors, (116), 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 116 [2021-11-19 05:27:47,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:27:47,703 INFO L225 Difference]: With dead ends: 2859 [2021-11-19 05:27:47,703 INFO L226 Difference]: Without dead ends: 2475 [2021-11-19 05:27:47,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2021-11-19 05:27:47,708 INFO L933 BasicCegarLoop]: 1946 mSDtfsCounter, 4571 mSDsluCounter, 7651 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4571 SdHoareTripleChecker+Valid, 9597 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:27:47,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4571 Valid, 9597 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 05:27:47,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states. [2021-11-19 05:27:48,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 1054. [2021-11-19 05:27:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1037 states have (on average 1.313404050144648) internal successors, (1362), 1053 states have internal predecessors, (1362), 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) [2021-11-19 05:27:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1362 transitions. [2021-11-19 05:27:48,342 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1362 transitions. Word has length 116 [2021-11-19 05:27:48,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:27:48,342 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 1362 transitions. [2021-11-19 05:27:48,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 12 states have internal predecessors, (116), 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) [2021-11-19 05:27:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1362 transitions. [2021-11-19 05:27:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 05:27:48,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:27:48,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:27:48,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-11-19 05:27:48,344 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:27:48,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:27:48,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2102690847, now seen corresponding path program 1 times [2021-11-19 05:27:48,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:27:48,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892727092] [2021-11-19 05:27:48,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:27:48,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:27:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:27:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:27:48,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:27:48,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892727092] [2021-11-19 05:27:48,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892727092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:27:48,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:27:48,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:27:48,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399231806] [2021-11-19 05:27:48,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:27:48,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 05:27:48,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:27:48,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 05:27:48,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:27:48,654 INFO L87 Difference]: Start difference. First operand 1054 states and 1362 transitions. Second operand has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 11 states have internal predecessors, (116), 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) [2021-11-19 05:27:51,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:27:51,112 INFO L93 Difference]: Finished difference Result 1918 states and 2548 transitions. [2021-11-19 05:27:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:27:51,112 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 11 states have internal predecessors, (116), 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 116 [2021-11-19 05:27:51,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:27:51,114 INFO L225 Difference]: With dead ends: 1918 [2021-11-19 05:27:51,114 INFO L226 Difference]: Without dead ends: 1328 [2021-11-19 05:27:51,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:27:51,115 INFO L933 BasicCegarLoop]: 883 mSDtfsCounter, 2654 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2654 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:27:51,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2654 Valid, 3404 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 05:27:51,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2021-11-19 05:27:51,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 630. [2021-11-19 05:27:51,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 620 states have (on average 1.3048387096774194) internal successors, (809), 629 states have internal predecessors, (809), 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) [2021-11-19 05:27:51,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 809 transitions. [2021-11-19 05:27:51,579 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 809 transitions. Word has length 116 [2021-11-19 05:27:51,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:27:51,579 INFO L470 AbstractCegarLoop]: Abstraction has 630 states and 809 transitions. [2021-11-19 05:27:51,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 11 states have internal predecessors, (116), 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) [2021-11-19 05:27:51,579 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 809 transitions. [2021-11-19 05:27:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 05:27:51,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:27:51,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:27:51,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-11-19 05:27:51,580 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:27:51,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:27:51,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1748444160, now seen corresponding path program 1 times [2021-11-19 05:27:51,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:27:51,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542448051] [2021-11-19 05:27:51,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:27:51,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:27:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:27:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:27:51,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:27:51,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542448051] [2021-11-19 05:27:51,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542448051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:27:51,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:27:51,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 05:27:51,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375308712] [2021-11-19 05:27:51,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:27:51,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:27:51,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:27:51,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:27:51,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:27:51,941 INFO L87 Difference]: Start difference. First operand 630 states and 809 transitions. Second operand has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 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) [2021-11-19 05:27:54,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:27:54,484 INFO L93 Difference]: Finished difference Result 1394 states and 1832 transitions. [2021-11-19 05:27:54,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:27:54,485 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 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 117 [2021-11-19 05:27:54,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:27:54,486 INFO L225 Difference]: With dead ends: 1394 [2021-11-19 05:27:54,486 INFO L226 Difference]: Without dead ends: 1390 [2021-11-19 05:27:54,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2021-11-19 05:27:54,487 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 2651 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 2914 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:27:54,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2651 Valid, 2914 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 05:27:54,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2021-11-19 05:27:54,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 626. [2021-11-19 05:27:54,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 617 states have (on average 1.3047001620745542) internal successors, (805), 625 states have internal predecessors, (805), 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) [2021-11-19 05:27:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 805 transitions. [2021-11-19 05:27:54,930 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 805 transitions. Word has length 117 [2021-11-19 05:27:54,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:27:54,930 INFO L470 AbstractCegarLoop]: Abstraction has 626 states and 805 transitions. [2021-11-19 05:27:54,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 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) [2021-11-19 05:27:54,930 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 805 transitions. [2021-11-19 05:27:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 05:27:54,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:27:54,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:27:54,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-11-19 05:27:54,931 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:27:54,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:27:54,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1174494657, now seen corresponding path program 1 times [2021-11-19 05:27:54,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:27:54,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615305910] [2021-11-19 05:27:54,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:27:54,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:27:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:27:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:27:55,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:27:55,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615305910] [2021-11-19 05:27:55,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615305910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:27:55,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:27:55,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 05:27:55,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541459231] [2021-11-19 05:27:55,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:27:55,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:27:55,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:27:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:27:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:27:55,305 INFO L87 Difference]: Start difference. First operand 626 states and 805 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 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) [2021-11-19 05:27:56,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:27:56,975 INFO L93 Difference]: Finished difference Result 1114 states and 1491 transitions. [2021-11-19 05:27:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:27:56,976 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 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 117 [2021-11-19 05:27:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:27:56,977 INFO L225 Difference]: With dead ends: 1114 [2021-11-19 05:27:56,977 INFO L226 Difference]: Without dead ends: 932 [2021-11-19 05:27:56,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2021-11-19 05:27:56,978 INFO L933 BasicCegarLoop]: 491 mSDtfsCounter, 2412 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 2286 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:27:56,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2412 Valid, 2286 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 05:27:56,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2021-11-19 05:27:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 604. [2021-11-19 05:27:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 596 states have (on average 1.3036912751677852) internal successors, (777), 603 states have internal predecessors, (777), 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) [2021-11-19 05:27:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 777 transitions. [2021-11-19 05:27:57,441 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 777 transitions. Word has length 117 [2021-11-19 05:27:57,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:27:57,441 INFO L470 AbstractCegarLoop]: Abstraction has 604 states and 777 transitions. [2021-11-19 05:27:57,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 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) [2021-11-19 05:27:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 777 transitions. [2021-11-19 05:27:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 05:27:57,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:27:57,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:27:57,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-11-19 05:27:57,442 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:27:57,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:27:57,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1280287298, now seen corresponding path program 1 times [2021-11-19 05:27:57,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:27:57,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728550525] [2021-11-19 05:27:57,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:27:57,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:27:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:27:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:27:57,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:27:57,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728550525] [2021-11-19 05:27:57,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728550525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:27:57,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:27:57,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 05:27:57,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708668317] [2021-11-19 05:27:57,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:27:57,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:27:57,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:27:57,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:27:57,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:27:57,771 INFO L87 Difference]: Start difference. First operand 604 states and 777 transitions. Second operand has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 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) [2021-11-19 05:28:00,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:00,395 INFO L93 Difference]: Finished difference Result 1608 states and 2188 transitions. [2021-11-19 05:28:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:28:00,396 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 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 117 [2021-11-19 05:28:00,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:00,397 INFO L225 Difference]: With dead ends: 1608 [2021-11-19 05:28:00,397 INFO L226 Difference]: Without dead ends: 1400 [2021-11-19 05:28:00,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2021-11-19 05:28:00,398 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 2638 mSDsluCounter, 3452 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2638 SdHoareTripleChecker+Valid, 4200 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:00,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2638 Valid, 4200 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 05:28:00,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2021-11-19 05:28:00,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 556. [2021-11-19 05:28:00,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 549 states have (on average 1.302367941712204) internal successors, (715), 555 states have internal predecessors, (715), 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) [2021-11-19 05:28:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 715 transitions. [2021-11-19 05:28:00,853 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 715 transitions. Word has length 117 [2021-11-19 05:28:00,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:00,853 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 715 transitions. [2021-11-19 05:28:00,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 states have internal predecessors, (117), 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) [2021-11-19 05:28:00,853 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 715 transitions. [2021-11-19 05:28:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 05:28:00,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:00,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:00,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-11-19 05:28:00,854 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:00,854 INFO L85 PathProgramCache]: Analyzing trace with hash -303636663, now seen corresponding path program 1 times [2021-11-19 05:28:00,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:00,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332585001] [2021-11-19 05:28:00,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:00,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:01,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:01,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332585001] [2021-11-19 05:28:01,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332585001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:01,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:01,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-19 05:28:01,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412316149] [2021-11-19 05:28:01,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:01,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 05:28:01,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:01,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 05:28:01,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:28:01,371 INFO L87 Difference]: Start difference. First operand 556 states and 715 transitions. Second operand has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 17 states have internal predecessors, (117), 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) [2021-11-19 05:28:04,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:04,981 INFO L93 Difference]: Finished difference Result 1883 states and 2574 transitions. [2021-11-19 05:28:04,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 05:28:04,981 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 17 states have internal predecessors, (117), 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 117 [2021-11-19 05:28:04,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:04,983 INFO L225 Difference]: With dead ends: 1883 [2021-11-19 05:28:04,983 INFO L226 Difference]: Without dead ends: 1627 [2021-11-19 05:28:04,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=205, Invalid=725, Unknown=0, NotChecked=0, Total=930 [2021-11-19 05:28:04,984 INFO L933 BasicCegarLoop]: 1148 mSDtfsCounter, 1730 mSDsluCounter, 11839 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 12987 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:04,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1730 Valid, 12987 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1694 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:28:04,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2021-11-19 05:28:05,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 456. [2021-11-19 05:28:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 450 states have (on average 1.3) internal successors, (585), 455 states have internal predecessors, (585), 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) [2021-11-19 05:28:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 585 transitions. [2021-11-19 05:28:05,420 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 585 transitions. Word has length 117 [2021-11-19 05:28:05,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:05,420 INFO L470 AbstractCegarLoop]: Abstraction has 456 states and 585 transitions. [2021-11-19 05:28:05,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 17 states have internal predecessors, (117), 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) [2021-11-19 05:28:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 585 transitions. [2021-11-19 05:28:05,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 05:28:05,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:05,421 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:05,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-11-19 05:28:05,421 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:05,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:05,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1478244091, now seen corresponding path program 1 times [2021-11-19 05:28:05,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:05,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751425963] [2021-11-19 05:28:05,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:05,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:05,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:05,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751425963] [2021-11-19 05:28:05,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751425963] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:05,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:05,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 05:28:05,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393500939] [2021-11-19 05:28:05,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:05,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:28:05,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:05,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:28:05,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:28:05,747 INFO L87 Difference]: Start difference. First operand 456 states and 585 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 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) [2021-11-19 05:28:07,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:07,148 INFO L93 Difference]: Finished difference Result 878 states and 1190 transitions. [2021-11-19 05:28:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:28:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 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 117 [2021-11-19 05:28:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:07,150 INFO L225 Difference]: With dead ends: 878 [2021-11-19 05:28:07,150 INFO L226 Difference]: Without dead ends: 688 [2021-11-19 05:28:07,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:28:07,150 INFO L933 BasicCegarLoop]: 484 mSDtfsCounter, 1603 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:07,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1603 Valid, 2636 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 05:28:07,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-11-19 05:28:07,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 408. [2021-11-19 05:28:07,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 403 states have (on average 1.2977667493796525) internal successors, (523), 407 states have internal predecessors, (523), 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) [2021-11-19 05:28:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 523 transitions. [2021-11-19 05:28:07,577 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 523 transitions. Word has length 117 [2021-11-19 05:28:07,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:07,577 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 523 transitions. [2021-11-19 05:28:07,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 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) [2021-11-19 05:28:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 523 transitions. [2021-11-19 05:28:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 05:28:07,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:07,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:07,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-11-19 05:28:07,579 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:07,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1086376958, now seen corresponding path program 1 times [2021-11-19 05:28:07,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:07,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690507840] [2021-11-19 05:28:07,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:07,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:07,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:07,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690507840] [2021-11-19 05:28:07,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690507840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:07,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:07,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:28:07,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777355567] [2021-11-19 05:28:07,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:07,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:28:07,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:07,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:28:07,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:28:07,691 INFO L87 Difference]: Start difference. First operand 408 states and 523 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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) [2021-11-19 05:28:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:08,985 INFO L93 Difference]: Finished difference Result 645 states and 850 transitions. [2021-11-19 05:28:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:28:08,985 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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 117 [2021-11-19 05:28:08,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:08,986 INFO L225 Difference]: With dead ends: 645 [2021-11-19 05:28:08,986 INFO L226 Difference]: Without dead ends: 638 [2021-11-19 05:28:08,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-19 05:28:08,987 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 1523 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:08,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1523 Valid, 894 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 05:28:08,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2021-11-19 05:28:09,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 408. [2021-11-19 05:28:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 403 states have (on average 1.2952853598014888) internal successors, (522), 407 states have internal predecessors, (522), 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) [2021-11-19 05:28:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 522 transitions. [2021-11-19 05:28:09,399 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 522 transitions. Word has length 117 [2021-11-19 05:28:09,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:09,400 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 522 transitions. [2021-11-19 05:28:09,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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) [2021-11-19 05:28:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 522 transitions. [2021-11-19 05:28:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 05:28:09,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:09,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:09,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-11-19 05:28:09,401 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:09,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:09,401 INFO L85 PathProgramCache]: Analyzing trace with hash -579115237, now seen corresponding path program 1 times [2021-11-19 05:28:09,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:09,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696776875] [2021-11-19 05:28:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:09,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:09,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:09,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696776875] [2021-11-19 05:28:09,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696776875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:09,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:09,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:28:09,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908027999] [2021-11-19 05:28:09,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:09,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:28:09,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:09,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:28:09,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:28:09,526 INFO L87 Difference]: Start difference. First operand 408 states and 522 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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) [2021-11-19 05:28:10,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:10,917 INFO L93 Difference]: Finished difference Result 850 states and 1150 transitions. [2021-11-19 05:28:10,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:28:10,918 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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 117 [2021-11-19 05:28:10,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:10,919 INFO L225 Difference]: With dead ends: 850 [2021-11-19 05:28:10,919 INFO L226 Difference]: Without dead ends: 654 [2021-11-19 05:28:10,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2021-11-19 05:28:10,920 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1260 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:10,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1260 Valid, 1206 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 05:28:10,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2021-11-19 05:28:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 408. [2021-11-19 05:28:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 403 states have (on average 1.2903225806451613) internal successors, (520), 407 states have internal predecessors, (520), 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) [2021-11-19 05:28:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 520 transitions. [2021-11-19 05:28:11,341 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 520 transitions. Word has length 117 [2021-11-19 05:28:11,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:11,341 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 520 transitions. [2021-11-19 05:28:11,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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) [2021-11-19 05:28:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 520 transitions. [2021-11-19 05:28:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 05:28:11,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:11,342 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:11,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-11-19 05:28:11,342 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:11,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:11,343 INFO L85 PathProgramCache]: Analyzing trace with hash -800191453, now seen corresponding path program 1 times [2021-11-19 05:28:11,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:11,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098311519] [2021-11-19 05:28:11,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:11,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:11,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:11,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098311519] [2021-11-19 05:28:11,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098311519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:11,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:11,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:28:11,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967291791] [2021-11-19 05:28:11,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:11,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:28:11,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:11,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:28:11,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:28:11,477 INFO L87 Difference]: Start difference. First operand 408 states and 520 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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) [2021-11-19 05:28:12,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:12,935 INFO L93 Difference]: Finished difference Result 645 states and 847 transitions. [2021-11-19 05:28:12,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:28:12,936 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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 117 [2021-11-19 05:28:12,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:12,937 INFO L225 Difference]: With dead ends: 645 [2021-11-19 05:28:12,937 INFO L226 Difference]: Without dead ends: 638 [2021-11-19 05:28:12,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:28:12,937 INFO L933 BasicCegarLoop]: 307 mSDtfsCounter, 1063 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:12,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1063 Valid, 1330 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 05:28:12,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2021-11-19 05:28:13,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 408. [2021-11-19 05:28:13,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 403 states have (on average 1.2878411910669976) internal successors, (519), 407 states have internal predecessors, (519), 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) [2021-11-19 05:28:13,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 519 transitions. [2021-11-19 05:28:13,371 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 519 transitions. Word has length 117 [2021-11-19 05:28:13,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:13,371 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 519 transitions. [2021-11-19 05:28:13,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 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) [2021-11-19 05:28:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 519 transitions. [2021-11-19 05:28:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-19 05:28:13,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:13,372 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:13,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-11-19 05:28:13,372 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:13,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash 666737011, now seen corresponding path program 1 times [2021-11-19 05:28:13,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:13,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445156584] [2021-11-19 05:28:13,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:13,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:13,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:13,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445156584] [2021-11-19 05:28:13,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445156584] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:13,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:13,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:28:13,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703282295] [2021-11-19 05:28:13,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:13,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:28:13,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:13,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:28:13,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:28:13,487 INFO L87 Difference]: Start difference. First operand 408 states and 519 transitions. Second operand has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 8 states have internal predecessors, (118), 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) [2021-11-19 05:28:14,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:14,868 INFO L93 Difference]: Finished difference Result 645 states and 845 transitions. [2021-11-19 05:28:14,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:28:14,868 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 8 states have internal predecessors, (118), 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 118 [2021-11-19 05:28:14,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:14,869 INFO L225 Difference]: With dead ends: 645 [2021-11-19 05:28:14,869 INFO L226 Difference]: Without dead ends: 638 [2021-11-19 05:28:14,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:28:14,870 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1060 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:14,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1060 Valid, 1205 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 05:28:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2021-11-19 05:28:15,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 408. [2021-11-19 05:28:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 403 states have (on average 1.2853598014888337) internal successors, (518), 407 states have internal predecessors, (518), 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) [2021-11-19 05:28:15,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 518 transitions. [2021-11-19 05:28:15,297 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 518 transitions. Word has length 118 [2021-11-19 05:28:15,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:15,297 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 518 transitions. [2021-11-19 05:28:15,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 8 states have internal predecessors, (118), 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) [2021-11-19 05:28:15,297 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 518 transitions. [2021-11-19 05:28:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-19 05:28:15,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:15,298 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:15,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-11-19 05:28:15,298 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:15,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:15,298 INFO L85 PathProgramCache]: Analyzing trace with hash 105501206, now seen corresponding path program 1 times [2021-11-19 05:28:15,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:15,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453123252] [2021-11-19 05:28:15,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:15,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:15,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:15,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453123252] [2021-11-19 05:28:15,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453123252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:15,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:15,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 05:28:15,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175734370] [2021-11-19 05:28:15,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:15,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:28:15,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:28:15,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:28:15,676 INFO L87 Difference]: Start difference. First operand 408 states and 518 transitions. Second operand has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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) [2021-11-19 05:28:20,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:20,082 INFO L93 Difference]: Finished difference Result 1716 states and 2415 transitions. [2021-11-19 05:28:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 05:28:20,082 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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 119 [2021-11-19 05:28:20,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:20,084 INFO L225 Difference]: With dead ends: 1716 [2021-11-19 05:28:20,084 INFO L226 Difference]: Without dead ends: 1710 [2021-11-19 05:28:20,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2021-11-19 05:28:20,085 INFO L933 BasicCegarLoop]: 705 mSDtfsCounter, 1895 mSDsluCounter, 5067 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 5772 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:20,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1895 Valid, 5772 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 05:28:20,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2021-11-19 05:28:20,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 402. [2021-11-19 05:28:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 398 states have (on average 1.2839195979899498) internal successors, (511), 401 states have internal predecessors, (511), 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) [2021-11-19 05:28:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 511 transitions. [2021-11-19 05:28:20,521 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 511 transitions. Word has length 119 [2021-11-19 05:28:20,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:20,521 INFO L470 AbstractCegarLoop]: Abstraction has 402 states and 511 transitions. [2021-11-19 05:28:20,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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) [2021-11-19 05:28:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 511 transitions. [2021-11-19 05:28:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-19 05:28:20,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:20,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:20,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-11-19 05:28:20,522 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:20,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:20,522 INFO L85 PathProgramCache]: Analyzing trace with hash 19774653, now seen corresponding path program 1 times [2021-11-19 05:28:20,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:20,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934079221] [2021-11-19 05:28:20,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:20,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:22,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:22,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934079221] [2021-11-19 05:28:22,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934079221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:22,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:22,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2021-11-19 05:28:22,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381061842] [2021-11-19 05:28:22,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:22,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-19 05:28:22,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:22,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-19 05:28:22,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1269, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 05:28:22,710 INFO L87 Difference]: Start difference. First operand 402 states and 511 transitions. Second operand has 38 states, 38 states have (on average 3.1315789473684212) internal successors, (119), 38 states have internal predecessors, (119), 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) [2021-11-19 05:28:29,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:29,252 INFO L93 Difference]: Finished difference Result 463 states and 577 transitions. [2021-11-19 05:28:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-19 05:28:29,253 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 3.1315789473684212) internal successors, (119), 38 states have internal predecessors, (119), 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 119 [2021-11-19 05:28:29,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:29,253 INFO L225 Difference]: With dead ends: 463 [2021-11-19 05:28:29,254 INFO L226 Difference]: Without dead ends: 455 [2021-11-19 05:28:29,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=781, Invalid=4331, Unknown=0, NotChecked=0, Total=5112 [2021-11-19 05:28:29,254 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 1089 mSDsluCounter, 4731 mSDsCounter, 0 mSdLazyCounter, 3255 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 4977 SdHoareTripleChecker+Invalid, 3335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 3255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:29,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1089 Valid, 4977 Invalid, 3335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 3255 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 05:28:29,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2021-11-19 05:28:29,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 426. [2021-11-19 05:28:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 422 states have (on average 1.2796208530805686) internal successors, (540), 425 states have internal predecessors, (540), 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) [2021-11-19 05:28:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 540 transitions. [2021-11-19 05:28:29,695 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 540 transitions. Word has length 119 [2021-11-19 05:28:29,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:29,695 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 540 transitions. [2021-11-19 05:28:29,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.1315789473684212) internal successors, (119), 38 states have internal predecessors, (119), 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) [2021-11-19 05:28:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 540 transitions. [2021-11-19 05:28:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-19 05:28:29,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:29,696 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:29,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-11-19 05:28:29,696 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:29,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:29,697 INFO L85 PathProgramCache]: Analyzing trace with hash 166116766, now seen corresponding path program 1 times [2021-11-19 05:28:29,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:29,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819779411] [2021-11-19 05:28:29,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:29,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:30,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:30,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819779411] [2021-11-19 05:28:30,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819779411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:30,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:30,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 05:28:30,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301834937] [2021-11-19 05:28:30,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:30,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:28:30,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:30,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:28:30,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:28:30,080 INFO L87 Difference]: Start difference. First operand 426 states and 540 transitions. Second operand has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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) [2021-11-19 05:28:33,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:33,385 INFO L93 Difference]: Finished difference Result 1484 states and 2050 transitions. [2021-11-19 05:28:33,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 05:28:33,386 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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 119 [2021-11-19 05:28:33,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:33,387 INFO L225 Difference]: With dead ends: 1484 [2021-11-19 05:28:33,387 INFO L226 Difference]: Without dead ends: 1466 [2021-11-19 05:28:33,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2021-11-19 05:28:33,388 INFO L933 BasicCegarLoop]: 797 mSDtfsCounter, 1622 mSDsluCounter, 5875 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 6672 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:33,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1622 Valid, 6672 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 05:28:33,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2021-11-19 05:28:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 408. [2021-11-19 05:28:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 405 states have (on average 1.2814814814814814) internal successors, (519), 407 states have internal predecessors, (519), 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) [2021-11-19 05:28:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 519 transitions. [2021-11-19 05:28:33,826 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 519 transitions. Word has length 119 [2021-11-19 05:28:33,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:33,826 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 519 transitions. [2021-11-19 05:28:33,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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) [2021-11-19 05:28:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 519 transitions. [2021-11-19 05:28:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 05:28:33,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:33,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:33,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-11-19 05:28:33,827 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:33,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:33,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1134792238, now seen corresponding path program 1 times [2021-11-19 05:28:33,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:33,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370744296] [2021-11-19 05:28:33,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:33,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:34,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:34,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370744296] [2021-11-19 05:28:34,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370744296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:34,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:34,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-19 05:28:34,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230456944] [2021-11-19 05:28:34,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:34,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 05:28:34,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:34,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 05:28:34,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-19 05:28:34,343 INFO L87 Difference]: Start difference. First operand 408 states and 519 transitions. Second operand has 16 states, 16 states have (on average 7.5) internal successors, (120), 16 states have internal predecessors, (120), 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) [2021-11-19 05:28:35,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:35,576 INFO L93 Difference]: Finished difference Result 411 states and 522 transitions. [2021-11-19 05:28:35,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 05:28:35,576 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 16 states have internal predecessors, (120), 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 120 [2021-11-19 05:28:35,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:35,577 INFO L225 Difference]: With dead ends: 411 [2021-11-19 05:28:35,577 INFO L226 Difference]: Without dead ends: 375 [2021-11-19 05:28:35,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2021-11-19 05:28:35,578 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 794 mSDsluCounter, 1995 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:35,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [794 Valid, 2221 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 05:28:35,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-19 05:28:36,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 372. [2021-11-19 05:28:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 370 states have (on average 1.2918918918918918) internal successors, (478), 371 states have internal predecessors, (478), 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) [2021-11-19 05:28:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 478 transitions. [2021-11-19 05:28:36,030 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 478 transitions. Word has length 120 [2021-11-19 05:28:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:36,030 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 478 transitions. [2021-11-19 05:28:36,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 16 states have internal predecessors, (120), 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) [2021-11-19 05:28:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 478 transitions. [2021-11-19 05:28:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 05:28:36,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:36,031 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:36,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-11-19 05:28:36,031 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:36,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:36,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1905555893, now seen corresponding path program 1 times [2021-11-19 05:28:36,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:36,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287848640] [2021-11-19 05:28:36,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:36,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:36,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:36,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287848640] [2021-11-19 05:28:36,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287848640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:36,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:36,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 05:28:36,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161283852] [2021-11-19 05:28:36,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:36,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:28:36,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:36,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:28:36,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:28:36,377 INFO L87 Difference]: Start difference. First operand 372 states and 478 transitions. Second operand has 12 states, 12 states have (on average 10.0) internal successors, (120), 12 states have internal predecessors, (120), 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) [2021-11-19 05:28:38,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:38,622 INFO L93 Difference]: Finished difference Result 960 states and 1334 transitions. [2021-11-19 05:28:38,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:28:38,622 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 12 states have internal predecessors, (120), 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 120 [2021-11-19 05:28:38,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:38,623 INFO L225 Difference]: With dead ends: 960 [2021-11-19 05:28:38,623 INFO L226 Difference]: Without dead ends: 945 [2021-11-19 05:28:38,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2021-11-19 05:28:38,624 INFO L933 BasicCegarLoop]: 624 mSDtfsCounter, 1443 mSDsluCounter, 2117 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:38,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1443 Valid, 2741 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 05:28:38,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2021-11-19 05:28:39,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 336. [2021-11-19 05:28:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.2985074626865671) internal successors, (435), 335 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) [2021-11-19 05:28:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 435 transitions. [2021-11-19 05:28:39,030 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 435 transitions. Word has length 120 [2021-11-19 05:28:39,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:39,030 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 435 transitions. [2021-11-19 05:28:39,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 12 states have internal predecessors, (120), 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) [2021-11-19 05:28:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 435 transitions. [2021-11-19 05:28:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-19 05:28:39,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:39,031 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:39,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-11-19 05:28:39,031 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:39,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:39,031 INFO L85 PathProgramCache]: Analyzing trace with hash -287978054, now seen corresponding path program 1 times [2021-11-19 05:28:39,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:39,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125821623] [2021-11-19 05:28:39,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:39,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:39,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:39,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125821623] [2021-11-19 05:28:39,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125821623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:39,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:39,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:28:39,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760242200] [2021-11-19 05:28:39,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:39,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:28:39,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:39,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:28:39,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:28:39,120 INFO L87 Difference]: Start difference. First operand 336 states and 435 transitions. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 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) [2021-11-19 05:28:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:44,413 INFO L93 Difference]: Finished difference Result 2660 states and 3935 transitions. [2021-11-19 05:28:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:28:44,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 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 154 [2021-11-19 05:28:44,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:44,416 INFO L225 Difference]: With dead ends: 2660 [2021-11-19 05:28:44,416 INFO L226 Difference]: Without dead ends: 2494 [2021-11-19 05:28:44,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2021-11-19 05:28:44,417 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 3207 mSDsluCounter, 2411 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3207 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:44,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3207 Valid, 2667 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:28:44,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2021-11-19 05:28:45,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 500. [2021-11-19 05:28:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 499 states have (on average 1.3627254509018036) internal successors, (680), 499 states have internal predecessors, (680), 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) [2021-11-19 05:28:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 680 transitions. [2021-11-19 05:28:45,225 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 680 transitions. Word has length 154 [2021-11-19 05:28:45,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:45,225 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 680 transitions. [2021-11-19 05:28:45,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 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) [2021-11-19 05:28:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 680 transitions. [2021-11-19 05:28:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 05:28:45,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:45,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:45,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-11-19 05:28:45,226 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:45,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:45,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1192007025, now seen corresponding path program 1 times [2021-11-19 05:28:45,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:45,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269468367] [2021-11-19 05:28:45,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:45,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:45,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:45,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269468367] [2021-11-19 05:28:45,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269468367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:45,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:45,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:28:45,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261962843] [2021-11-19 05:28:45,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:45,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:28:45,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:45,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:28:45,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:28:45,332 INFO L87 Difference]: Start difference. First operand 500 states and 680 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2021-11-19 05:28:50,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:50,782 INFO L93 Difference]: Finished difference Result 2976 states and 4391 transitions. [2021-11-19 05:28:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:28:50,782 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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 156 [2021-11-19 05:28:50,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:50,785 INFO L225 Difference]: With dead ends: 2976 [2021-11-19 05:28:50,785 INFO L226 Difference]: Without dead ends: 2646 [2021-11-19 05:28:50,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-11-19 05:28:50,786 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 2880 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2880 SdHoareTripleChecker+Valid, 1609 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:50,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2880 Valid, 1609 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:28:50,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2021-11-19 05:28:52,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 828. [2021-11-19 05:28:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 827 states have (on average 1.4171704957678355) internal successors, (1172), 827 states have internal predecessors, (1172), 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) [2021-11-19 05:28:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1172 transitions. [2021-11-19 05:28:52,275 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1172 transitions. Word has length 156 [2021-11-19 05:28:52,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:52,275 INFO L470 AbstractCegarLoop]: Abstraction has 828 states and 1172 transitions. [2021-11-19 05:28:52,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2021-11-19 05:28:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1172 transitions. [2021-11-19 05:28:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 05:28:52,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:52,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:52,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-11-19 05:28:52,276 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:52,277 INFO L85 PathProgramCache]: Analyzing trace with hash -242674326, now seen corresponding path program 1 times [2021-11-19 05:28:52,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:52,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167406652] [2021-11-19 05:28:52,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:52,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:52,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:52,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167406652] [2021-11-19 05:28:52,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167406652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:52,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:52,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:28:52,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868160170] [2021-11-19 05:28:52,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:52,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:28:52,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:52,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:28:52,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:28:52,329 INFO L87 Difference]: Start difference. First operand 828 states and 1172 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2021-11-19 05:28:55,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:55,271 INFO L93 Difference]: Finished difference Result 2092 states and 3054 transitions. [2021-11-19 05:28:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:28:55,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 156 [2021-11-19 05:28:55,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:55,273 INFO L225 Difference]: With dead ends: 2092 [2021-11-19 05:28:55,273 INFO L226 Difference]: Without dead ends: 1434 [2021-11-19 05:28:55,274 INFO L932 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 [2021-11-19 05:28:55,274 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 157 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:55,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 421 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:28:55,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2021-11-19 05:28:58,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1424. [2021-11-19 05:28:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1423 states have (on average 1.432185523541813) internal successors, (2038), 1423 states have internal predecessors, (2038), 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) [2021-11-19 05:28:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2038 transitions. [2021-11-19 05:28:58,184 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2038 transitions. Word has length 156 [2021-11-19 05:28:58,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:58,185 INFO L470 AbstractCegarLoop]: Abstraction has 1424 states and 2038 transitions. [2021-11-19 05:28:58,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2021-11-19 05:28:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2038 transitions. [2021-11-19 05:28:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 05:28:58,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:58,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:58,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-11-19 05:28:58,186 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:28:58,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash -176180814, now seen corresponding path program 1 times [2021-11-19 05:28:58,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:58,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414002741] [2021-11-19 05:28:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:58,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:58,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:58,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414002741] [2021-11-19 05:28:58,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414002741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:58,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:58,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:28:58,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292024629] [2021-11-19 05:28:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:58,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:28:58,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:58,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:28:58,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:28:58,453 INFO L87 Difference]: Start difference. First operand 1424 states and 2038 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2021-11-19 05:29:01,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:01,819 INFO L93 Difference]: Finished difference Result 2680 states and 3892 transitions. [2021-11-19 05:29:01,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:29:01,820 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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 156 [2021-11-19 05:29:01,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:01,821 INFO L225 Difference]: With dead ends: 2680 [2021-11-19 05:29:01,822 INFO L226 Difference]: Without dead ends: 1426 [2021-11-19 05:29:01,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:29:01,823 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 1398 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:01,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1398 Valid, 995 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:29:01,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2021-11-19 05:29:04,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1424. [2021-11-19 05:29:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1423 states have (on average 1.4293745607870696) internal successors, (2034), 1423 states have internal predecessors, (2034), 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) [2021-11-19 05:29:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2034 transitions. [2021-11-19 05:29:04,932 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2034 transitions. Word has length 156 [2021-11-19 05:29:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:04,932 INFO L470 AbstractCegarLoop]: Abstraction has 1424 states and 2034 transitions. [2021-11-19 05:29:04,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2021-11-19 05:29:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2034 transitions. [2021-11-19 05:29:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 05:29:04,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:04,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:29:04,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-11-19 05:29:04,934 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:29:04,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:04,934 INFO L85 PathProgramCache]: Analyzing trace with hash -299412847, now seen corresponding path program 1 times [2021-11-19 05:29:04,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:04,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276265966] [2021-11-19 05:29:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:04,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:29:05,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:05,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276265966] [2021-11-19 05:29:05,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276265966] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:05,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:29:05,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:29:05,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647434046] [2021-11-19 05:29:05,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:05,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:29:05,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:05,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:29:05,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:29:05,082 INFO L87 Difference]: Start difference. First operand 1424 states and 2034 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2021-11-19 05:29:16,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:16,755 INFO L93 Difference]: Finished difference Result 6136 states and 8984 transitions. [2021-11-19 05:29:16,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:29:16,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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 156 [2021-11-19 05:29:16,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:16,760 INFO L225 Difference]: With dead ends: 6136 [2021-11-19 05:29:16,760 INFO L226 Difference]: Without dead ends: 5508 [2021-11-19 05:29:16,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-11-19 05:29:16,762 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 2647 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2647 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:16,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2647 Valid, 1707 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:29:16,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2021-11-19 05:29:21,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 2364. [2021-11-19 05:29:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2364 states, 2363 states have (on average 1.4456199746085485) internal successors, (3416), 2363 states have internal predecessors, (3416), 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) [2021-11-19 05:29:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3416 transitions. [2021-11-19 05:29:21,520 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3416 transitions. Word has length 156 [2021-11-19 05:29:21,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:21,520 INFO L470 AbstractCegarLoop]: Abstraction has 2364 states and 3416 transitions. [2021-11-19 05:29:21,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2021-11-19 05:29:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3416 transitions. [2021-11-19 05:29:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 05:29:21,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:21,521 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:29:21,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-11-19 05:29:21,522 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:29:21,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:21,522 INFO L85 PathProgramCache]: Analyzing trace with hash 87462257, now seen corresponding path program 1 times [2021-11-19 05:29:21,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:21,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571003948] [2021-11-19 05:29:21,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:21,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:29:21,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:21,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571003948] [2021-11-19 05:29:21,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571003948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:21,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:29:21,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:29:21,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170971400] [2021-11-19 05:29:21,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:21,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:29:21,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:21,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:29:21,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:29:21,628 INFO L87 Difference]: Start difference. First operand 2364 states and 3416 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2021-11-19 05:29:34,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:34,583 INFO L93 Difference]: Finished difference Result 6762 states and 9906 transitions. [2021-11-19 05:29:34,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:29:34,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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 156 [2021-11-19 05:29:34,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:34,590 INFO L225 Difference]: With dead ends: 6762 [2021-11-19 05:29:34,590 INFO L226 Difference]: Without dead ends: 6134 [2021-11-19 05:29:34,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-11-19 05:29:34,592 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 2396 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 1778 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:34,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2396 Valid, 1778 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:29:34,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6134 states. [2021-11-19 05:29:40,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6134 to 2990. [2021-11-19 05:29:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2990 states, 2989 states have (on average 1.451321512211442) internal successors, (4338), 2989 states have internal predecessors, (4338), 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) [2021-11-19 05:29:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 4338 transitions. [2021-11-19 05:29:40,783 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 4338 transitions. Word has length 156 [2021-11-19 05:29:40,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:40,783 INFO L470 AbstractCegarLoop]: Abstraction has 2990 states and 4338 transitions. [2021-11-19 05:29:40,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2021-11-19 05:29:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 4338 transitions. [2021-11-19 05:29:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 05:29:40,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:40,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:29:40,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-11-19 05:29:40,785 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-19 05:29:40,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:40,785 INFO L85 PathProgramCache]: Analyzing trace with hash 451548017, now seen corresponding path program 1 times [2021-11-19 05:29:40,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:40,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599529299] [2021-11-19 05:29:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:40,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:29:40,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:40,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599529299] [2021-11-19 05:29:40,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599529299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:40,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:29:40,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:29:40,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392430045] [2021-11-19 05:29:40,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:40,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:29:40,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:29:40,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:29:40,908 INFO L87 Difference]: Start difference. First operand 2990 states and 4338 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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)