./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R --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 6c698c3a474f0bb431ef6e81ac39d288198716f9950dc2b1ea90a04cccf08b06 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:08:59,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:08:59,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:08:59,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:08:59,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:08:59,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:08:59,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:08:59,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:08:59,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:08:59,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:08:59,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:08:59,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:08:59,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:08:59,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:08:59,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:08:59,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:08:59,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:08:59,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:08:59,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:08:59,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:08:59,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:08:59,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:08:59,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:08:59,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:08:59,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:08:59,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:08:59,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:08:59,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:08:59,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:08:59,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:08:59,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:08:59,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:08:59,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:08:59,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:08:59,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:08:59,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:08:59,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:08:59,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:08:59,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:08:59,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:08:59,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:08:59,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:08:59,268 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:08:59,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:08:59,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:08:59,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:08:59,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:08:59,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:08:59,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:08:59,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:08:59,273 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:08:59,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:08:59,275 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:08:59,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:08:59,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:08:59,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:08:59,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:08:59,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:08:59,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:08:59,276 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:08:59,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:08:59,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:08:59,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:08:59,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:08:59,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:08:59,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:08:59,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:08:59,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:08:59,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:08:59,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:08:59,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:08:59,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:08:59,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:08:59,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:08:59,281 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:08:59,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:08:59,283 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c698c3a474f0bb431ef6e81ac39d288198716f9950dc2b1ea90a04cccf08b06 [2022-11-25 17:08:59,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:08:59,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:08:59,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:08:59,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:08:59,709 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:08:59,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-11-25 17:09:02,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:09:03,585 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:09:03,586 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-11-25 17:09:03,650 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/data/f38e46939/fd16421a41a3411ca133996deb8d79ed/FLAGd37d2a463 [2022-11-25 17:09:03,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/data/f38e46939/fd16421a41a3411ca133996deb8d79ed [2022-11-25 17:09:03,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:09:03,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:09:03,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:09:03,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:09:03,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:09:03,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:03" (1/1) ... [2022-11-25 17:09:03,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470ca371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:03, skipping insertion in model container [2022-11-25 17:09:03,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:03" (1/1) ... [2022-11-25 17:09:03,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:09:04,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:09:04,659 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17604,17617] [2022-11-25 17:09:04,727 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22921,22934] [2022-11-25 17:09:04,747 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24278,24291] [2022-11-25 17:09:04,761 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25086,25099] [2022-11-25 17:09:04,783 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26814,26827] [2022-11-25 17:09:04,791 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27622,27635] [2022-11-25 17:09:04,801 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28801,28814] [2022-11-25 17:09:04,822 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31541,31554] [2022-11-25 17:09:04,838 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32352,32365] [2022-11-25 17:09:04,857 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33534,33547] [2022-11-25 17:09:04,872 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35725,35738] [2022-11-25 17:09:04,900 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39985,39998] [2022-11-25 17:09:04,907 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40796,40809] [2022-11-25 17:09:04,917 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41978,41991] [2022-11-25 17:09:04,933 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44169,44182] [2022-11-25 17:09:04,960 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47880,47893] [2022-11-25 17:09:05,023 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54627,54640] [2022-11-25 17:09:05,034 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55438,55451] [2022-11-25 17:09:05,043 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56581,56594] [2022-11-25 17:09:05,074 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58733,58746] [2022-11-25 17:09:05,141 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62650,62663] [2022-11-25 17:09:05,221 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69599,69612] [2022-11-25 17:09:05,306 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82335,82348] [2022-11-25 17:09:05,314 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83146,83159] [2022-11-25 17:09:05,325 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84328,84341] [2022-11-25 17:09:05,342 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86519,86532] [2022-11-25 17:09:05,369 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90230,90243] [2022-11-25 17:09:05,411 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96428,96441] [2022-11-25 17:09:05,474 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[107019,107032] [2022-11-25 17:09:06,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:09:06,562 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:09:06,759 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17604,17617] [2022-11-25 17:09:06,814 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22921,22934] [2022-11-25 17:09:06,836 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24278,24291] [2022-11-25 17:09:06,851 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25086,25099] [2022-11-25 17:09:06,877 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26814,26827] [2022-11-25 17:09:06,892 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27622,27635] [2022-11-25 17:09:06,910 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28801,28814] [2022-11-25 17:09:06,952 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31541,31554] [2022-11-25 17:09:06,973 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32352,32365] [2022-11-25 17:09:06,981 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33534,33547] [2022-11-25 17:09:06,995 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35725,35738] [2022-11-25 17:09:07,018 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39985,39998] [2022-11-25 17:09:07,025 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40796,40809] [2022-11-25 17:09:07,033 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41978,41991] [2022-11-25 17:09:07,047 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44169,44182] [2022-11-25 17:09:07,068 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47880,47893] [2022-11-25 17:09:07,104 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54627,54640] [2022-11-25 17:09:07,111 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55438,55451] [2022-11-25 17:09:07,120 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56581,56594] [2022-11-25 17:09:07,133 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58733,58746] [2022-11-25 17:09:07,156 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62650,62663] [2022-11-25 17:09:07,194 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69599,69612] [2022-11-25 17:09:07,263 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82335,82348] [2022-11-25 17:09:07,270 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83146,83159] [2022-11-25 17:09:07,278 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84328,84341] [2022-11-25 17:09:07,292 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86519,86532] [2022-11-25 17:09:07,313 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90230,90243] [2022-11-25 17:09:07,346 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96428,96441] [2022-11-25 17:09:07,396 WARN L237 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_aa204a8b-0425-4311-ab99-c4025597fa72/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[107019,107032] [2022-11-25 17:09:08,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:09:08,339 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:09:08,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08 WrapperNode [2022-11-25 17:09:08,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:09:08,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:09:08,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:09:08,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:09:08,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:08,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:08,759 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12603 [2022-11-25 17:09:08,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:09:08,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:09:08,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:09:08,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:09:08,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:08,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:08,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:08,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:08,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:09,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:09,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:09,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:09,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:09:09,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:09:09,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:09:09,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:09:09,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (1/1) ... [2022-11-25 17:09:09,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:09:09,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:09:09,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:09:09,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa204a8b-0425-4311-ab99-c4025597fa72/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:09:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:09:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:09:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:09:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:09:09,877 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:09:09,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:09:17,030 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:09:17,075 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:09:17,076 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:09:17,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:17 BoogieIcfgContainer [2022-11-25 17:09:17,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:09:17,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:09:17,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:09:17,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:09:17,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:09:03" (1/3) ... [2022-11-25 17:09:17,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d727585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:09:17, skipping insertion in model container [2022-11-25 17:09:17,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:08" (2/3) ... [2022-11-25 17:09:17,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d727585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:09:17, skipping insertion in model container [2022-11-25 17:09:17,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:17" (3/3) ... [2022-11-25 17:09:17,110 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-11-25 17:09:17,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:09:17,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-25 17:09:17,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:09:17,323 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@743e702, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:09:17,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-25 17:09:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 2082 states, 2052 states have (on average 1.8606237816764133) internal successors, (3818), 2081 states have internal predecessors, (3818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-25 17:09:17,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:17,379 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:17,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:17,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:17,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1477171740, now seen corresponding path program 1 times [2022-11-25 17:09:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:17,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176991551] [2022-11-25 17:09:17,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:17,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:18,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:18,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176991551] [2022-11-25 17:09:18,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176991551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:18,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:18,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:09:18,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305950762] [2022-11-25 17:09:18,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:18,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:09:18,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:18,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:09:18,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:09:18,564 INFO L87 Difference]: Start difference. First operand has 2082 states, 2052 states have (on average 1.8606237816764133) internal successors, (3818), 2081 states have internal predecessors, (3818), 0 states have call successors, (0), 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) [2022-11-25 17:09:21,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:21,290 INFO L93 Difference]: Finished difference Result 3681 states and 6458 transitions. [2022-11-25 17:09:21,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:09:21,293 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 [2022-11-25 17:09:21,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:21,325 INFO L225 Difference]: With dead ends: 3681 [2022-11-25 17:09:21,325 INFO L226 Difference]: Without dead ends: 2156 [2022-11-25 17:09:21,335 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:09:21,339 INFO L413 NwaCegarLoop]: 1861 mSDtfsCounter, 10122 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10122 SdHoareTripleChecker+Valid, 2458 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:21,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10122 Valid, 2458 Invalid, 1284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:09:21,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2022-11-25 17:09:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2054. [2022-11-25 17:09:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 2025 states have (on average 1.3688888888888888) internal successors, (2772), 2053 states have internal predecessors, (2772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2772 transitions. [2022-11-25 17:09:21,519 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2772 transitions. Word has length 101 [2022-11-25 17:09:21,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:21,520 INFO L495 AbstractCegarLoop]: Abstraction has 2054 states and 2772 transitions. [2022-11-25 17:09:21,521 INFO L496 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) [2022-11-25 17:09:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2772 transitions. [2022-11-25 17:09:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-25 17:09:21,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:21,529 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:21,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:09:21,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:21,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:21,531 INFO L85 PathProgramCache]: Analyzing trace with hash 951904542, now seen corresponding path program 1 times [2022-11-25 17:09:21,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:21,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832880551] [2022-11-25 17:09:21,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:21,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:21,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:21,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832880551] [2022-11-25 17:09:21,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832880551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:21,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:21,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:09:21,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244060383] [2022-11-25 17:09:21,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:21,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:09:21,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:21,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:09:21,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:09:21,942 INFO L87 Difference]: Start difference. First operand 2054 states and 2772 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) [2022-11-25 17:09:23,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:23,377 INFO L93 Difference]: Finished difference Result 3542 states and 4915 transitions. [2022-11-25 17:09:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:09:23,378 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 [2022-11-25 17:09:23,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:23,387 INFO L225 Difference]: With dead ends: 3542 [2022-11-25 17:09:23,387 INFO L226 Difference]: Without dead ends: 1822 [2022-11-25 17:09:23,391 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:09:23,392 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 5219 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5219 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:23,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5219 Valid, 1010 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 17:09:23,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-11-25 17:09:23,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1822. [2022-11-25 17:09:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1793 states have (on average 1.3976575571667595) internal successors, (2506), 1821 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:23,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2506 transitions. [2022-11-25 17:09:23,502 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2506 transitions. Word has length 102 [2022-11-25 17:09:23,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:23,503 INFO L495 AbstractCegarLoop]: Abstraction has 1822 states and 2506 transitions. [2022-11-25 17:09:23,504 INFO L496 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) [2022-11-25 17:09:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2506 transitions. [2022-11-25 17:09:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-25 17:09:23,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:23,510 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:23,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:09:23,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:23,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:23,512 INFO L85 PathProgramCache]: Analyzing trace with hash -873201018, now seen corresponding path program 1 times [2022-11-25 17:09:23,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:23,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308383925] [2022-11-25 17:09:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:23,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:23,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:23,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308383925] [2022-11-25 17:09:23,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308383925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:23,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:23,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:09:23,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157644520] [2022-11-25 17:09:23,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:23,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:09:23,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:23,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:09:23,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:09:23,911 INFO L87 Difference]: Start difference. First operand 1822 states and 2506 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) [2022-11-25 17:09:25,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:25,577 INFO L93 Difference]: Finished difference Result 3310 states and 4647 transitions. [2022-11-25 17:09:25,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:09:25,578 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 [2022-11-25 17:09:25,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:25,587 INFO L225 Difference]: With dead ends: 3310 [2022-11-25 17:09:25,588 INFO L226 Difference]: Without dead ends: 1742 [2022-11-25 17:09:25,590 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:09:25,602 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 4860 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4860 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:25,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4860 Valid, 774 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 17:09:25,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-11-25 17:09:25,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2022-11-25 17:09:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.4057209573847051) internal successors, (2408), 1741 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2408 transitions. [2022-11-25 17:09:25,721 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2408 transitions. Word has length 103 [2022-11-25 17:09:25,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:25,725 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2408 transitions. [2022-11-25 17:09:25,725 INFO L496 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) [2022-11-25 17:09:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2408 transitions. [2022-11-25 17:09:25,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 17:09:25,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:25,735 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:25,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:09:25,737 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:25,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:25,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1608818971, now seen corresponding path program 1 times [2022-11-25 17:09:25,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:25,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029228074] [2022-11-25 17:09:25,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:25,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:26,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:26,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029228074] [2022-11-25 17:09:26,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029228074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:26,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:26,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:09:26,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347639230] [2022-11-25 17:09:26,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:26,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:09:26,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:26,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:09:26,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:09:26,098 INFO L87 Difference]: Start difference. First operand 1742 states and 2408 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) [2022-11-25 17:09:27,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:27,451 INFO L93 Difference]: Finished difference Result 3230 states and 4547 transitions. [2022-11-25 17:09:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:09:27,452 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 [2022-11-25 17:09:27,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:27,459 INFO L225 Difference]: With dead ends: 3230 [2022-11-25 17:09:27,459 INFO L226 Difference]: Without dead ends: 1654 [2022-11-25 17:09:27,462 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:09:27,463 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 4655 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4655 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:27,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4655 Valid, 890 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 17:09:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-11-25 17:09:27,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2022-11-25 17:09:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1625 states have (on average 1.4215384615384616) internal successors, (2310), 1653 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2310 transitions. [2022-11-25 17:09:27,577 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2310 transitions. Word has length 104 [2022-11-25 17:09:27,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:27,579 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 2310 transitions. [2022-11-25 17:09:27,579 INFO L496 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) [2022-11-25 17:09:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2310 transitions. [2022-11-25 17:09:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-25 17:09:27,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:27,585 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:27,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:09:27,586 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:27,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:27,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1915103433, now seen corresponding path program 1 times [2022-11-25 17:09:27,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:27,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476872481] [2022-11-25 17:09:27,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:27,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:27,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:27,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476872481] [2022-11-25 17:09:27,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476872481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:27,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:27,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:09:27,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202403995] [2022-11-25 17:09:27,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:27,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:09:27,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:27,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:09:27,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:09:27,848 INFO L87 Difference]: Start difference. First operand 1654 states and 2310 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) [2022-11-25 17:09:28,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:28,978 INFO L93 Difference]: Finished difference Result 3142 states and 4447 transitions. [2022-11-25 17:09:28,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:09:28,979 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 [2022-11-25 17:09:28,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:28,985 INFO L225 Difference]: With dead ends: 3142 [2022-11-25 17:09:28,986 INFO L226 Difference]: Without dead ends: 1601 [2022-11-25 17:09:28,990 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:09:28,991 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 4507 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:28,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 861 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 17:09:28,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-11-25 17:09:29,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1601. [2022-11-25 17:09:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1572 states have (on average 1.4319338422391859) internal successors, (2251), 1600 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2251 transitions. [2022-11-25 17:09:29,186 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2251 transitions. Word has length 105 [2022-11-25 17:09:29,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:29,188 INFO L495 AbstractCegarLoop]: Abstraction has 1601 states and 2251 transitions. [2022-11-25 17:09:29,188 INFO L496 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) [2022-11-25 17:09:29,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2251 transitions. [2022-11-25 17:09:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-25 17:09:29,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:29,194 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:29,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:09:29,194 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:29,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:29,196 INFO L85 PathProgramCache]: Analyzing trace with hash -578368317, now seen corresponding path program 1 times [2022-11-25 17:09:29,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:29,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359887712] [2022-11-25 17:09:29,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:29,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:29,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:29,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359887712] [2022-11-25 17:09:29,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359887712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:29,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:29,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:09:29,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900052162] [2022-11-25 17:09:29,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:29,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:09:29,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:29,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:09:29,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:09:29,513 INFO L87 Difference]: Start difference. First operand 1601 states and 2251 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 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) [2022-11-25 17:09:30,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:30,706 INFO L93 Difference]: Finished difference Result 3089 states and 4386 transitions. [2022-11-25 17:09:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:09:30,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 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 [2022-11-25 17:09:30,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:30,714 INFO L225 Difference]: With dead ends: 3089 [2022-11-25 17:09:30,715 INFO L226 Difference]: Without dead ends: 1576 [2022-11-25 17:09:30,718 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:09:30,719 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 4410 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4410 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:30,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4410 Valid, 848 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 17:09:30,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-11-25 17:09:30,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2022-11-25 17:09:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.436328377504848) internal successors, (2222), 1575 states have internal predecessors, (2222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2222 transitions. [2022-11-25 17:09:30,888 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2222 transitions. Word has length 106 [2022-11-25 17:09:30,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:30,888 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2222 transitions. [2022-11-25 17:09:30,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 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) [2022-11-25 17:09:30,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2222 transitions. [2022-11-25 17:09:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 17:09:30,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:30,893 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:30,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:09:30,894 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:30,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:30,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1323333204, now seen corresponding path program 1 times [2022-11-25 17:09:30,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:30,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058689289] [2022-11-25 17:09:30,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:30,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:31,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:31,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058689289] [2022-11-25 17:09:31,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058689289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:31,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:31,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:09:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902815935] [2022-11-25 17:09:31,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:31,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:09:31,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:31,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:09:31,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:09:31,138 INFO L87 Difference]: Start difference. First operand 1576 states and 2222 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:32,435 INFO L93 Difference]: Finished difference Result 3064 states and 4355 transitions. [2022-11-25 17:09:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:09:32,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-11-25 17:09:32,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:32,443 INFO L225 Difference]: With dead ends: 3064 [2022-11-25 17:09:32,443 INFO L226 Difference]: Without dead ends: 1568 [2022-11-25 17:09:32,445 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:09:32,446 INFO L413 NwaCegarLoop]: 737 mSDtfsCounter, 4319 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4319 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:32,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4319 Valid, 781 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 17:09:32,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2022-11-25 17:09:32,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1568. [2022-11-25 17:09:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4366471734892787) internal successors, (2211), 1567 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2211 transitions. [2022-11-25 17:09:32,596 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2211 transitions. Word has length 107 [2022-11-25 17:09:32,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:32,597 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2211 transitions. [2022-11-25 17:09:32,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2211 transitions. [2022-11-25 17:09:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 17:09:32,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:32,601 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:32,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:09:32,602 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:32,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:32,603 INFO L85 PathProgramCache]: Analyzing trace with hash 65664385, now seen corresponding path program 1 times [2022-11-25 17:09:32,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:32,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923060963] [2022-11-25 17:09:32,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:32,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:33,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:33,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923060963] [2022-11-25 17:09:33,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923060963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:33,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:33,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 17:09:33,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388470698] [2022-11-25 17:09:33,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:33,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 17:09:33,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:33,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 17:09:33,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:09:33,400 INFO L87 Difference]: Start difference. First operand 1568 states and 2211 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 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) [2022-11-25 17:09:37,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:37,010 INFO L93 Difference]: Finished difference Result 3025 states and 4293 transitions. [2022-11-25 17:09:37,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:09:37,011 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 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 [2022-11-25 17:09:37,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:37,022 INFO L225 Difference]: With dead ends: 3025 [2022-11-25 17:09:37,023 INFO L226 Difference]: Without dead ends: 2757 [2022-11-25 17:09:37,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:09:37,026 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 4570 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 3783 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4570 SdHoareTripleChecker+Valid, 4571 SdHoareTripleChecker+Invalid, 3791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:37,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4570 Valid, 4571 Invalid, 3791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3783 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-25 17:09:37,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-11-25 17:09:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1568. [2022-11-25 17:09:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4353476283300846) internal successors, (2209), 1567 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2209 transitions. [2022-11-25 17:09:37,249 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2209 transitions. Word has length 108 [2022-11-25 17:09:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:37,250 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2209 transitions. [2022-11-25 17:09:37,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 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) [2022-11-25 17:09:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2209 transitions. [2022-11-25 17:09:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 17:09:37,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:37,255 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:37,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:09:37,256 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:37,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:37,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1945173323, now seen corresponding path program 1 times [2022-11-25 17:09:37,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:37,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652395552] [2022-11-25 17:09:37,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:37,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:38,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:38,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652395552] [2022-11-25 17:09:38,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652395552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:38,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:38,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 17:09:38,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770481941] [2022-11-25 17:09:38,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:38,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 17:09:38,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:38,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 17:09:38,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:09:38,097 INFO L87 Difference]: Start difference. First operand 1568 states and 2209 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 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) [2022-11-25 17:09:42,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:42,087 INFO L93 Difference]: Finished difference Result 2873 states and 4055 transitions. [2022-11-25 17:09:42,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:09:42,088 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 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 [2022-11-25 17:09:42,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:42,105 INFO L225 Difference]: With dead ends: 2873 [2022-11-25 17:09:42,105 INFO L226 Difference]: Without dead ends: 2685 [2022-11-25 17:09:42,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:09:42,109 INFO L413 NwaCegarLoop]: 866 mSDtfsCounter, 4265 mSDsluCounter, 4275 mSDsCounter, 0 mSdLazyCounter, 4223 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4265 SdHoareTripleChecker+Valid, 5141 SdHoareTripleChecker+Invalid, 4228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:42,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4265 Valid, 5141 Invalid, 4228 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 4223 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-25 17:09:42,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-11-25 17:09:42,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 1568. [2022-11-25 17:09:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4340480831708902) internal successors, (2207), 1567 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2207 transitions. [2022-11-25 17:09:42,427 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2207 transitions. Word has length 108 [2022-11-25 17:09:42,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:42,427 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2207 transitions. [2022-11-25 17:09:42,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 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) [2022-11-25 17:09:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2207 transitions. [2022-11-25 17:09:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 17:09:42,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:42,433 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:42,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:09:42,434 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:42,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:42,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2067995745, now seen corresponding path program 1 times [2022-11-25 17:09:42,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:42,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952011225] [2022-11-25 17:09:42,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:42,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:42,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:42,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952011225] [2022-11-25 17:09:42,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952011225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:42,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:42,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:09:42,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936502146] [2022-11-25 17:09:42,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:42,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:09:42,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:42,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:09:42,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:09:42,943 INFO L87 Difference]: Start difference. First operand 1568 states and 2207 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 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) [2022-11-25 17:09:45,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:45,418 INFO L93 Difference]: Finished difference Result 2720 states and 3694 transitions. [2022-11-25 17:09:45,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:09:45,419 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 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 [2022-11-25 17:09:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:45,428 INFO L225 Difference]: With dead ends: 2720 [2022-11-25 17:09:45,428 INFO L226 Difference]: Without dead ends: 2051 [2022-11-25 17:09:45,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:09:45,431 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 6596 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6596 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 1938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:45,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6596 Valid, 1666 Invalid, 1938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 17:09:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2051 states. [2022-11-25 17:09:45,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2051 to 1568. [2022-11-25 17:09:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.433398310591293) internal successors, (2206), 1567 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:45,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2206 transitions. [2022-11-25 17:09:45,731 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2206 transitions. Word has length 108 [2022-11-25 17:09:45,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:45,731 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2206 transitions. [2022-11-25 17:09:45,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 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) [2022-11-25 17:09:45,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2206 transitions. [2022-11-25 17:09:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 17:09:45,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:45,736 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:45,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 17:09:45,737 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:45,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1618229889, now seen corresponding path program 1 times [2022-11-25 17:09:45,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:45,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029927955] [2022-11-25 17:09:45,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:45,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:46,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:46,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029927955] [2022-11-25 17:09:46,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029927955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:46,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:46,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:09:46,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886064029] [2022-11-25 17:09:46,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:46,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:09:46,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:46,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:09:46,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:09:46,202 INFO L87 Difference]: Start difference. First operand 1568 states and 2206 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) [2022-11-25 17:09:49,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:49,682 INFO L93 Difference]: Finished difference Result 2985 states and 4229 transitions. [2022-11-25 17:09:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:09:49,682 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 [2022-11-25 17:09:49,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:49,694 INFO L225 Difference]: With dead ends: 2985 [2022-11-25 17:09:49,694 INFO L226 Difference]: Without dead ends: 2765 [2022-11-25 17:09:49,696 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:09:49,696 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 4375 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 3112 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4375 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 3118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:49,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4375 Valid, 3822 Invalid, 3118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3112 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 17:09:49,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-11-25 17:09:49,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-11-25 17:09:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.432748538011696) internal successors, (2205), 1567 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:49,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2205 transitions. [2022-11-25 17:09:49,966 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2205 transitions. Word has length 108 [2022-11-25 17:09:49,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:49,966 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2205 transitions. [2022-11-25 17:09:49,966 INFO L496 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) [2022-11-25 17:09:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2205 transitions. [2022-11-25 17:09:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 17:09:49,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:49,970 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:49,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 17:09:49,971 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:49,971 INFO L85 PathProgramCache]: Analyzing trace with hash 180174419, now seen corresponding path program 1 times [2022-11-25 17:09:49,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:49,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186456446] [2022-11-25 17:09:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:50,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:50,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186456446] [2022-11-25 17:09:50,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186456446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:50,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:50,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:09:50,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646003518] [2022-11-25 17:09:50,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:50,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:09:50,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:50,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:09:50,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:09:50,615 INFO L87 Difference]: Start difference. First operand 1568 states and 2205 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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) [2022-11-25 17:09:54,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:54,883 INFO L93 Difference]: Finished difference Result 2976 states and 4179 transitions. [2022-11-25 17:09:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:09:54,883 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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 [2022-11-25 17:09:54,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:54,896 INFO L225 Difference]: With dead ends: 2976 [2022-11-25 17:09:54,896 INFO L226 Difference]: Without dead ends: 2794 [2022-11-25 17:09:54,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-25 17:09:54,899 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 4342 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 5177 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4342 SdHoareTripleChecker+Valid, 5944 SdHoareTripleChecker+Invalid, 5187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:54,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4342 Valid, 5944 Invalid, 5187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5177 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-25 17:09:54,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2022-11-25 17:09:55,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 1587. [2022-11-25 17:09:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1558 states have (on average 1.4332477535301669) internal successors, (2233), 1586 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:09:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2233 transitions. [2022-11-25 17:09:55,361 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2233 transitions. Word has length 108 [2022-11-25 17:09:55,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:55,362 INFO L495 AbstractCegarLoop]: Abstraction has 1587 states and 2233 transitions. [2022-11-25 17:09:55,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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) [2022-11-25 17:09:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2233 transitions. [2022-11-25 17:09:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 17:09:55,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:55,368 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:09:55,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 17:09:55,369 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:09:55,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:55,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1822156941, now seen corresponding path program 1 times [2022-11-25 17:09:55,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:55,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271278993] [2022-11-25 17:09:55,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:55,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:56,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:56,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271278993] [2022-11-25 17:09:56,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271278993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:56,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:56,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:09:56,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844653441] [2022-11-25 17:09:56,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:56,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:09:56,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:56,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:09:56,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:09:56,014 INFO L87 Difference]: Start difference. First operand 1587 states and 2233 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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) [2022-11-25 17:09:59,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:59,832 INFO L93 Difference]: Finished difference Result 3166 states and 4459 transitions. [2022-11-25 17:09:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:09:59,833 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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 [2022-11-25 17:09:59,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:59,841 INFO L225 Difference]: With dead ends: 3166 [2022-11-25 17:09:59,841 INFO L226 Difference]: Without dead ends: 2932 [2022-11-25 17:09:59,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-25 17:09:59,844 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 11259 mSDsluCounter, 3821 mSDsCounter, 0 mSdLazyCounter, 3836 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11259 SdHoareTripleChecker+Valid, 4714 SdHoareTripleChecker+Invalid, 3856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:59,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11259 Valid, 4714 Invalid, 3856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3836 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 17:09:59,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2022-11-25 17:10:00,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 1591. [2022-11-25 17:10:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1562 states have (on average 1.4321382842509602) internal successors, (2237), 1590 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2237 transitions. [2022-11-25 17:10:00,105 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2237 transitions. Word has length 108 [2022-11-25 17:10:00,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:00,106 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2237 transitions. [2022-11-25 17:10:00,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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) [2022-11-25 17:10:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2237 transitions. [2022-11-25 17:10:00,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 17:10:00,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:00,111 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:00,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 17:10:00,111 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:00,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash 57351997, now seen corresponding path program 1 times [2022-11-25 17:10:00,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:00,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932362510] [2022-11-25 17:10:00,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:00,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:00,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932362510] [2022-11-25 17:10:00,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932362510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:00,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:00,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:10:00,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999076503] [2022-11-25 17:10:00,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:00,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:10:00,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:00,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:10:00,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:10:00,725 INFO L87 Difference]: Start difference. First operand 1591 states and 2237 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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) [2022-11-25 17:10:04,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:04,589 INFO L93 Difference]: Finished difference Result 3017 states and 4259 transitions. [2022-11-25 17:10:04,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:10:04,590 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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 [2022-11-25 17:10:04,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:04,598 INFO L225 Difference]: With dead ends: 3017 [2022-11-25 17:10:04,598 INFO L226 Difference]: Without dead ends: 2822 [2022-11-25 17:10:04,600 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:10:04,601 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 7681 mSDsluCounter, 4193 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7681 SdHoareTripleChecker+Valid, 5176 SdHoareTripleChecker+Invalid, 4443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:04,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7681 Valid, 5176 Invalid, 4443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 17:10:04,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2022-11-25 17:10:04,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 1595. [2022-11-25 17:10:04,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1566 states have (on average 1.4323116219667944) internal successors, (2243), 1594 states have internal predecessors, (2243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2243 transitions. [2022-11-25 17:10:04,957 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2243 transitions. Word has length 108 [2022-11-25 17:10:04,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:04,958 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2243 transitions. [2022-11-25 17:10:04,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 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) [2022-11-25 17:10:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2243 transitions. [2022-11-25 17:10:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:04,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:04,962 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:04,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 17:10:04,963 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:04,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:04,964 INFO L85 PathProgramCache]: Analyzing trace with hash -860352434, now seen corresponding path program 1 times [2022-11-25 17:10:04,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:04,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22695234] [2022-11-25 17:10:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:04,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:05,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:05,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22695234] [2022-11-25 17:10:05,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22695234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:05,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:05,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:05,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121215956] [2022-11-25 17:10:05,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:05,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:05,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:05,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:05,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:05,387 INFO L87 Difference]: Start difference. First operand 1595 states and 2243 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) [2022-11-25 17:10:08,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:08,486 INFO L93 Difference]: Finished difference Result 2906 states and 4091 transitions. [2022-11-25 17:10:08,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:10:08,487 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 [2022-11-25 17:10:08,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:08,493 INFO L225 Difference]: With dead ends: 2906 [2022-11-25 17:10:08,494 INFO L226 Difference]: Without dead ends: 2724 [2022-11-25 17:10:08,495 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:10:08,496 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 6389 mSDsluCounter, 2837 mSDsCounter, 0 mSdLazyCounter, 3116 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6389 SdHoareTripleChecker+Valid, 3707 SdHoareTripleChecker+Invalid, 3123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:08,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6389 Valid, 3707 Invalid, 3123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3116 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 17:10:08,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-25 17:10:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1581. [2022-11-25 17:10:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1552 states have (on average 1.431701030927835) internal successors, (2222), 1580 states have internal predecessors, (2222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2222 transitions. [2022-11-25 17:10:08,893 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2222 transitions. Word has length 110 [2022-11-25 17:10:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:08,894 INFO L495 AbstractCegarLoop]: Abstraction has 1581 states and 2222 transitions. [2022-11-25 17:10:08,894 INFO L496 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) [2022-11-25 17:10:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2222 transitions. [2022-11-25 17:10:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:08,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:08,899 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:08,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 17:10:08,900 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:08,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:08,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1432283502, now seen corresponding path program 1 times [2022-11-25 17:10:08,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:08,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684794941] [2022-11-25 17:10:08,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:08,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:09,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:09,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684794941] [2022-11-25 17:10:09,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684794941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:09,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:09,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:09,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17557746] [2022-11-25 17:10:09,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:09,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:09,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:09,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:09,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:09,323 INFO L87 Difference]: Start difference. First operand 1581 states and 2222 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) [2022-11-25 17:10:12,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:12,280 INFO L93 Difference]: Finished difference Result 3020 states and 4268 transitions. [2022-11-25 17:10:12,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:10:12,280 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 [2022-11-25 17:10:12,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:12,286 INFO L225 Difference]: With dead ends: 3020 [2022-11-25 17:10:12,286 INFO L226 Difference]: Without dead ends: 2786 [2022-11-25 17:10:12,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:10:12,288 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 7142 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 2904 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7142 SdHoareTripleChecker+Valid, 3625 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:12,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7142 Valid, 3625 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2904 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:10:12,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2022-11-25 17:10:12,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 1581. [2022-11-25 17:10:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1552 states have (on average 1.4310567010309279) internal successors, (2221), 1580 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2221 transitions. [2022-11-25 17:10:12,525 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2221 transitions. Word has length 110 [2022-11-25 17:10:12,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:12,526 INFO L495 AbstractCegarLoop]: Abstraction has 1581 states and 2221 transitions. [2022-11-25 17:10:12,526 INFO L496 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) [2022-11-25 17:10:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2221 transitions. [2022-11-25 17:10:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:12,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:12,528 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:12,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 17:10:12,529 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:12,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash -983174856, now seen corresponding path program 1 times [2022-11-25 17:10:12,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:12,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801471160] [2022-11-25 17:10:12,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:12,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:12,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:12,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801471160] [2022-11-25 17:10:12,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801471160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:12,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:12,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317095430] [2022-11-25 17:10:12,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:12,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:12,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:12,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:12,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:12,925 INFO L87 Difference]: Start difference. First operand 1581 states and 2221 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) [2022-11-25 17:10:15,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:15,960 INFO L93 Difference]: Finished difference Result 2949 states and 4169 transitions. [2022-11-25 17:10:15,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:10:15,961 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 [2022-11-25 17:10:15,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:15,964 INFO L225 Difference]: With dead ends: 2949 [2022-11-25 17:10:15,964 INFO L226 Difference]: Without dead ends: 2754 [2022-11-25 17:10:15,965 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:10:15,966 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 4697 mSDsluCounter, 3321 mSDsCounter, 0 mSdLazyCounter, 3541 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4697 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 3547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:15,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4697 Valid, 4337 Invalid, 3547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3541 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 17:10:15,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2022-11-25 17:10:16,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 1568. [2022-11-25 17:10:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4307992202729045) internal successors, (2202), 1567 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2202 transitions. [2022-11-25 17:10:16,259 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2202 transitions. Word has length 110 [2022-11-25 17:10:16,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:16,260 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2202 transitions. [2022-11-25 17:10:16,260 INFO L496 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) [2022-11-25 17:10:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2202 transitions. [2022-11-25 17:10:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:16,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:16,263 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:16,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 17:10:16,263 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:16,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:16,264 INFO L85 PathProgramCache]: Analyzing trace with hash 237293966, now seen corresponding path program 1 times [2022-11-25 17:10:16,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:16,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566780370] [2022-11-25 17:10:16,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:16,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:16,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:16,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566780370] [2022-11-25 17:10:16,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566780370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:16,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:16,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:16,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288089151] [2022-11-25 17:10:16,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:16,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:16,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:16,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:16,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:16,744 INFO L87 Difference]: Start difference. First operand 1568 states and 2202 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) [2022-11-25 17:10:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:20,302 INFO L93 Difference]: Finished difference Result 2978 states and 4216 transitions. [2022-11-25 17:10:20,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:10:20,303 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 [2022-11-25 17:10:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:20,307 INFO L225 Difference]: With dead ends: 2978 [2022-11-25 17:10:20,308 INFO L226 Difference]: Without dead ends: 2765 [2022-11-25 17:10:20,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-25 17:10:20,310 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 8807 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 3080 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8807 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 3087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:20,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8807 Valid, 3785 Invalid, 3087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3080 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:10:20,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-11-25 17:10:20,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-11-25 17:10:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4301494476933074) internal successors, (2201), 1567 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) [2022-11-25 17:10:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2201 transitions. [2022-11-25 17:10:20,643 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2201 transitions. Word has length 110 [2022-11-25 17:10:20,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:20,643 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2201 transitions. [2022-11-25 17:10:20,643 INFO L496 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) [2022-11-25 17:10:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2201 transitions. [2022-11-25 17:10:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:20,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:20,645 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:20,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 17:10:20,646 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:20,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:20,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2054601275, now seen corresponding path program 1 times [2022-11-25 17:10:20,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:20,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245238529] [2022-11-25 17:10:20,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:20,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:21,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:21,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245238529] [2022-11-25 17:10:21,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245238529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:21,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:21,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:21,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603885117] [2022-11-25 17:10:21,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:21,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:21,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:21,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:21,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:21,067 INFO L87 Difference]: Start difference. First operand 1568 states and 2201 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) [2022-11-25 17:10:24,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:24,240 INFO L93 Difference]: Finished difference Result 3065 states and 4349 transitions. [2022-11-25 17:10:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:10:24,240 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 [2022-11-25 17:10:24,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:24,246 INFO L225 Difference]: With dead ends: 3065 [2022-11-25 17:10:24,246 INFO L226 Difference]: Without dead ends: 2797 [2022-11-25 17:10:24,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-25 17:10:24,249 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 8999 mSDsluCounter, 2866 mSDsCounter, 0 mSdLazyCounter, 3008 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8999 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 3015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:24,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8999 Valid, 3743 Invalid, 3015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3008 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 17:10:24,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-11-25 17:10:24,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1568. [2022-11-25 17:10:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4294996751137101) internal successors, (2200), 1567 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) [2022-11-25 17:10:24,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2200 transitions. [2022-11-25 17:10:24,559 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2200 transitions. Word has length 110 [2022-11-25 17:10:24,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:24,559 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2200 transitions. [2022-11-25 17:10:24,559 INFO L496 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) [2022-11-25 17:10:24,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2200 transitions. [2022-11-25 17:10:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:24,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:24,561 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:24,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 17:10:24,562 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:24,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:24,562 INFO L85 PathProgramCache]: Analyzing trace with hash 329024581, now seen corresponding path program 1 times [2022-11-25 17:10:24,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:24,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681362746] [2022-11-25 17:10:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:24,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:25,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:25,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681362746] [2022-11-25 17:10:25,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681362746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:25,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:25,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:10:25,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43929785] [2022-11-25 17:10:25,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:25,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:10:25,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:25,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:10:25,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:10:25,101 INFO L87 Difference]: Start difference. First operand 1568 states and 2200 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2022-11-25 17:10:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:29,141 INFO L93 Difference]: Finished difference Result 3029 states and 4266 transitions. [2022-11-25 17:10:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:10:29,142 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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 [2022-11-25 17:10:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:29,148 INFO L225 Difference]: With dead ends: 3029 [2022-11-25 17:10:29,149 INFO L226 Difference]: Without dead ends: 2834 [2022-11-25 17:10:29,151 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:10:29,152 INFO L413 NwaCegarLoop]: 1015 mSDtfsCounter, 7714 mSDsluCounter, 5346 mSDsCounter, 0 mSdLazyCounter, 5307 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7714 SdHoareTripleChecker+Valid, 6361 SdHoareTripleChecker+Invalid, 5321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:29,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7714 Valid, 6361 Invalid, 5321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 5307 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 17:10:29,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2022-11-25 17:10:29,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 1581. [2022-11-25 17:10:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1552 states have (on average 1.4297680412371134) internal successors, (2219), 1580 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2219 transitions. [2022-11-25 17:10:29,597 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2219 transitions. Word has length 110 [2022-11-25 17:10:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:29,597 INFO L495 AbstractCegarLoop]: Abstraction has 1581 states and 2219 transitions. [2022-11-25 17:10:29,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2022-11-25 17:10:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2219 transitions. [2022-11-25 17:10:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:29,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:29,600 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:29,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 17:10:29,601 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:29,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:29,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1478083339, now seen corresponding path program 1 times [2022-11-25 17:10:29,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:29,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234717754] [2022-11-25 17:10:29,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:29,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:30,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:30,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234717754] [2022-11-25 17:10:30,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234717754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:30,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:30,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:10:30,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036674273] [2022-11-25 17:10:30,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:30,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:10:30,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:30,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:10:30,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:10:30,116 INFO L87 Difference]: Start difference. First operand 1581 states and 2219 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2022-11-25 17:10:34,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:34,037 INFO L93 Difference]: Finished difference Result 2955 states and 4145 transitions. [2022-11-25 17:10:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:10:34,038 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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 [2022-11-25 17:10:34,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:34,042 INFO L225 Difference]: With dead ends: 2955 [2022-11-25 17:10:34,042 INFO L226 Difference]: Without dead ends: 2777 [2022-11-25 17:10:34,043 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:10:34,044 INFO L413 NwaCegarLoop]: 892 mSDtfsCounter, 4440 mSDsluCounter, 4291 mSDsCounter, 0 mSdLazyCounter, 4463 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4440 SdHoareTripleChecker+Valid, 5183 SdHoareTripleChecker+Invalid, 4475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 4463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:34,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4440 Valid, 5183 Invalid, 4475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 4463 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 17:10:34,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states. [2022-11-25 17:10:34,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 1585. [2022-11-25 17:10:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1556 states have (on average 1.429948586118252) internal successors, (2225), 1584 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2225 transitions. [2022-11-25 17:10:34,469 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2225 transitions. Word has length 110 [2022-11-25 17:10:34,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:34,470 INFO L495 AbstractCegarLoop]: Abstraction has 1585 states and 2225 transitions. [2022-11-25 17:10:34,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2022-11-25 17:10:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2225 transitions. [2022-11-25 17:10:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:34,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:34,471 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:34,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 17:10:34,472 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:34,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:34,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1009532650, now seen corresponding path program 1 times [2022-11-25 17:10:34,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:34,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917517565] [2022-11-25 17:10:34,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:34,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:34,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:34,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917517565] [2022-11-25 17:10:34,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917517565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:34,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:34,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:10:34,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347273493] [2022-11-25 17:10:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:34,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:10:34,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:34,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:10:34,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:10:34,979 INFO L87 Difference]: Start difference. First operand 1585 states and 2225 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2022-11-25 17:10:38,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:38,960 INFO L93 Difference]: Finished difference Result 3003 states and 4237 transitions. [2022-11-25 17:10:38,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:10:38,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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 [2022-11-25 17:10:38,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:38,967 INFO L225 Difference]: With dead ends: 3003 [2022-11-25 17:10:38,967 INFO L226 Difference]: Without dead ends: 2813 [2022-11-25 17:10:38,968 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:10:38,969 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 7166 mSDsluCounter, 4694 mSDsCounter, 0 mSdLazyCounter, 4904 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7166 SdHoareTripleChecker+Valid, 5804 SdHoareTripleChecker+Invalid, 4915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 4904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:38,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7166 Valid, 5804 Invalid, 4915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 4904 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 17:10:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2022-11-25 17:10:39,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 1587. [2022-11-25 17:10:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1558 states have (on average 1.4293966623876766) internal successors, (2227), 1586 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2227 transitions. [2022-11-25 17:10:39,286 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2227 transitions. Word has length 110 [2022-11-25 17:10:39,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:39,286 INFO L495 AbstractCegarLoop]: Abstraction has 1587 states and 2227 transitions. [2022-11-25 17:10:39,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2022-11-25 17:10:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2227 transitions. [2022-11-25 17:10:39,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:39,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:39,290 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:39,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 17:10:39,290 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:39,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1184588847, now seen corresponding path program 1 times [2022-11-25 17:10:39,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:39,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357112321] [2022-11-25 17:10:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:39,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:39,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:39,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357112321] [2022-11-25 17:10:39,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357112321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:39,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:39,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:10:39,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394124716] [2022-11-25 17:10:39,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:39,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:10:39,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:39,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:10:39,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:10:39,795 INFO L87 Difference]: Start difference. First operand 1587 states and 2227 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2022-11-25 17:10:44,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:44,047 INFO L93 Difference]: Finished difference Result 3067 states and 4308 transitions. [2022-11-25 17:10:44,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:10:44,048 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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 [2022-11-25 17:10:44,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:44,050 INFO L225 Difference]: With dead ends: 3067 [2022-11-25 17:10:44,050 INFO L226 Difference]: Without dead ends: 2863 [2022-11-25 17:10:44,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-25 17:10:44,052 INFO L413 NwaCegarLoop]: 1168 mSDtfsCounter, 7535 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7535 SdHoareTripleChecker+Valid, 5921 SdHoareTripleChecker+Invalid, 4936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:44,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7535 Valid, 5921 Invalid, 4936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 17:10:44,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2863 states. [2022-11-25 17:10:44,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2863 to 1597. [2022-11-25 17:10:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1568 states have (on average 1.4279336734693877) internal successors, (2239), 1596 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2239 transitions. [2022-11-25 17:10:44,327 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2239 transitions. Word has length 110 [2022-11-25 17:10:44,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:44,328 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2239 transitions. [2022-11-25 17:10:44,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2022-11-25 17:10:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2239 transitions. [2022-11-25 17:10:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:44,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:44,330 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:44,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 17:10:44,330 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:44,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:44,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1593434075, now seen corresponding path program 1 times [2022-11-25 17:10:44,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:44,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323454675] [2022-11-25 17:10:44,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:44,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:44,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323454675] [2022-11-25 17:10:44,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323454675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:44,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:44,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:44,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338553322] [2022-11-25 17:10:44,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:44,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:44,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:44,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:44,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:44,743 INFO L87 Difference]: Start difference. First operand 1597 states and 2239 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) [2022-11-25 17:10:47,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:47,929 INFO L93 Difference]: Finished difference Result 2397 states and 3400 transitions. [2022-11-25 17:10:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 17:10:47,930 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 [2022-11-25 17:10:47,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:47,932 INFO L225 Difference]: With dead ends: 2397 [2022-11-25 17:10:47,933 INFO L226 Difference]: Without dead ends: 2005 [2022-11-25 17:10:47,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-11-25 17:10:47,935 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 4123 mSDsluCounter, 3592 mSDsCounter, 0 mSdLazyCounter, 3529 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 4473 SdHoareTripleChecker+Invalid, 3535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:47,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 4473 Invalid, 3535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3529 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:10:47,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2022-11-25 17:10:48,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1568. [2022-11-25 17:10:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.428849902534113) internal successors, (2199), 1567 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) [2022-11-25 17:10:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2199 transitions. [2022-11-25 17:10:48,291 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2199 transitions. Word has length 110 [2022-11-25 17:10:48,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:48,293 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2199 transitions. [2022-11-25 17:10:48,293 INFO L496 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) [2022-11-25 17:10:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2199 transitions. [2022-11-25 17:10:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:48,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:48,296 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:48,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 17:10:48,297 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:48,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:48,297 INFO L85 PathProgramCache]: Analyzing trace with hash 8802059, now seen corresponding path program 1 times [2022-11-25 17:10:48,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:48,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226304095] [2022-11-25 17:10:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:48,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:48,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:48,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226304095] [2022-11-25 17:10:48,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226304095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:48,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:48,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:48,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764052661] [2022-11-25 17:10:48,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:48,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:48,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:48,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:48,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:48,695 INFO L87 Difference]: Start difference. First operand 1568 states and 2199 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) [2022-11-25 17:10:51,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:51,937 INFO L93 Difference]: Finished difference Result 2881 states and 4050 transitions. [2022-11-25 17:10:51,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:10:51,938 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 [2022-11-25 17:10:51,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:51,941 INFO L225 Difference]: With dead ends: 2881 [2022-11-25 17:10:51,941 INFO L226 Difference]: Without dead ends: 2693 [2022-11-25 17:10:51,943 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:10:51,943 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 6288 mSDsluCounter, 2896 mSDsCounter, 0 mSdLazyCounter, 3158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6288 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 3165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:51,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6288 Valid, 3785 Invalid, 3165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3158 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:10:51,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-11-25 17:10:52,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 1568. [2022-11-25 17:10:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4275503573749189) internal successors, (2197), 1567 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2197 transitions. [2022-11-25 17:10:52,344 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2197 transitions. Word has length 110 [2022-11-25 17:10:52,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:52,344 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2197 transitions. [2022-11-25 17:10:52,344 INFO L496 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) [2022-11-25 17:10:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2197 transitions. [2022-11-25 17:10:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 17:10:52,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:52,346 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:52,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 17:10:52,347 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:52,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:52,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1694810938, now seen corresponding path program 1 times [2022-11-25 17:10:52,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:52,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208981004] [2022-11-25 17:10:52,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:52,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:52,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:52,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208981004] [2022-11-25 17:10:52,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208981004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:52,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:52,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:52,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150187704] [2022-11-25 17:10:52,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:52,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:52,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:52,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:52,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:52,764 INFO L87 Difference]: Start difference. First operand 1568 states and 2197 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) [2022-11-25 17:10:55,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:55,747 INFO L93 Difference]: Finished difference Result 2661 states and 3767 transitions. [2022-11-25 17:10:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:10:55,747 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 [2022-11-25 17:10:55,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:55,749 INFO L225 Difference]: With dead ends: 2661 [2022-11-25 17:10:55,749 INFO L226 Difference]: Without dead ends: 2005 [2022-11-25 17:10:55,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-11-25 17:10:55,750 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 5167 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5167 SdHoareTripleChecker+Valid, 3886 SdHoareTripleChecker+Invalid, 3062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:55,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5167 Valid, 3886 Invalid, 3062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 3052 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 17:10:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2022-11-25 17:10:56,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1568. [2022-11-25 17:10:56,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4262508122157245) internal successors, (2195), 1567 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:10:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2195 transitions. [2022-11-25 17:10:56,090 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2195 transitions. Word has length 110 [2022-11-25 17:10:56,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:56,090 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2195 transitions. [2022-11-25 17:10:56,090 INFO L496 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) [2022-11-25 17:10:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2195 transitions. [2022-11-25 17:10:56,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:10:56,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:56,093 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:10:56,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 17:10:56,094 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:10:56,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:56,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1110098816, now seen corresponding path program 1 times [2022-11-25 17:10:56,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:56,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737065135] [2022-11-25 17:10:56,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:56,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:10:56,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:56,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737065135] [2022-11-25 17:10:56,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737065135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:56,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:56,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:56,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013098985] [2022-11-25 17:10:56,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:56,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:56,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:56,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:56,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:56,506 INFO L87 Difference]: Start difference. First operand 1568 states and 2195 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) [2022-11-25 17:11:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:00,079 INFO L93 Difference]: Finished difference Result 2985 states and 4215 transitions. [2022-11-25 17:11:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:00,079 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 [2022-11-25 17:11:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:00,083 INFO L225 Difference]: With dead ends: 2985 [2022-11-25 17:11:00,083 INFO L226 Difference]: Without dead ends: 2765 [2022-11-25 17:11:00,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-25 17:11:00,084 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 8652 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8652 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 3211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:00,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8652 Valid, 3982 Invalid, 3211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3203 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 17:11:00,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-11-25 17:11:00,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-11-25 17:11:00,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4256010396361274) internal successors, (2194), 1567 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) [2022-11-25 17:11:00,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2194 transitions. [2022-11-25 17:11:00,433 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2194 transitions. Word has length 112 [2022-11-25 17:11:00,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:00,433 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2194 transitions. [2022-11-25 17:11:00,433 INFO L496 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) [2022-11-25 17:11:00,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2194 transitions. [2022-11-25 17:11:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:00,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:00,437 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:00,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 17:11:00,437 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:00,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:00,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1790606885, now seen corresponding path program 1 times [2022-11-25 17:11:00,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:00,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916286358] [2022-11-25 17:11:00,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:00,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:00,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:00,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916286358] [2022-11-25 17:11:00,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916286358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:00,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:00,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:00,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682984811] [2022-11-25 17:11:00,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:00,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:00,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:00,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:00,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:00,887 INFO L87 Difference]: Start difference. First operand 1568 states and 2194 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) [2022-11-25 17:11:05,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:05,311 INFO L93 Difference]: Finished difference Result 2931 states and 4135 transitions. [2022-11-25 17:11:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:05,311 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 [2022-11-25 17:11:05,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:05,314 INFO L225 Difference]: With dead ends: 2931 [2022-11-25 17:11:05,314 INFO L226 Difference]: Without dead ends: 2741 [2022-11-25 17:11:05,315 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:05,315 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 6593 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 4711 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6593 SdHoareTripleChecker+Valid, 5843 SdHoareTripleChecker+Invalid, 4717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:05,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6593 Valid, 5843 Invalid, 4717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4711 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 17:11:05,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-11-25 17:11:05,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-11-25 17:11:05,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4249512670565303) internal successors, (2193), 1567 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:11:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2193 transitions. [2022-11-25 17:11:05,648 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2193 transitions. Word has length 112 [2022-11-25 17:11:05,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:05,648 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2193 transitions. [2022-11-25 17:11:05,648 INFO L496 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) [2022-11-25 17:11:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2193 transitions. [2022-11-25 17:11:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:05,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:05,650 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:05,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-25 17:11:05,651 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:05,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:05,651 INFO L85 PathProgramCache]: Analyzing trace with hash -403514612, now seen corresponding path program 1 times [2022-11-25 17:11:05,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:05,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201896870] [2022-11-25 17:11:05,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:05,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:06,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:06,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201896870] [2022-11-25 17:11:06,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201896870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:06,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:06,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:06,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294316235] [2022-11-25 17:11:06,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:06,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:06,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:06,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:06,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:06,011 INFO L87 Difference]: Start difference. First operand 1568 states and 2193 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) [2022-11-25 17:11:10,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:10,104 INFO L93 Difference]: Finished difference Result 3086 states and 4359 transitions. [2022-11-25 17:11:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:10,105 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 [2022-11-25 17:11:10,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:10,107 INFO L225 Difference]: With dead ends: 3086 [2022-11-25 17:11:10,108 INFO L226 Difference]: Without dead ends: 2797 [2022-11-25 17:11:10,109 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:10,109 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 5135 mSDsluCounter, 3974 mSDsCounter, 0 mSdLazyCounter, 4178 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5135 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 4184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:10,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5135 Valid, 5325 Invalid, 4184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4178 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 17:11:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-11-25 17:11:10,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1568. [2022-11-25 17:11:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.424301494476933) internal successors, (2192), 1567 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) [2022-11-25 17:11:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2192 transitions. [2022-11-25 17:11:10,491 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2192 transitions. Word has length 112 [2022-11-25 17:11:10,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:10,491 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2192 transitions. [2022-11-25 17:11:10,491 INFO L496 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) [2022-11-25 17:11:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2192 transitions. [2022-11-25 17:11:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:10,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:10,494 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:10,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-25 17:11:10,494 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:10,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:10,495 INFO L85 PathProgramCache]: Analyzing trace with hash -582562824, now seen corresponding path program 1 times [2022-11-25 17:11:10,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:10,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674560670] [2022-11-25 17:11:10,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:10,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:10,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:10,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674560670] [2022-11-25 17:11:10,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674560670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:10,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:10,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:10,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284400777] [2022-11-25 17:11:10,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:10,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:10,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:10,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:10,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:10,859 INFO L87 Difference]: Start difference. First operand 1568 states and 2192 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) [2022-11-25 17:11:14,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:14,331 INFO L93 Difference]: Finished difference Result 2875 states and 4032 transitions. [2022-11-25 17:11:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:14,331 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 [2022-11-25 17:11:14,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:14,334 INFO L225 Difference]: With dead ends: 2875 [2022-11-25 17:11:14,334 INFO L226 Difference]: Without dead ends: 2693 [2022-11-25 17:11:14,335 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:14,336 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 6919 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 3192 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6919 SdHoareTripleChecker+Valid, 3849 SdHoareTripleChecker+Invalid, 3199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:14,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6919 Valid, 3849 Invalid, 3199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3192 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:11:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-11-25 17:11:14,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 1568. [2022-11-25 17:11:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.423651721897336) internal successors, (2191), 1567 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) [2022-11-25 17:11:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2191 transitions. [2022-11-25 17:11:14,735 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2191 transitions. Word has length 112 [2022-11-25 17:11:14,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:14,735 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2191 transitions. [2022-11-25 17:11:14,735 INFO L496 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) [2022-11-25 17:11:14,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2191 transitions. [2022-11-25 17:11:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:14,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:14,738 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:14,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-25 17:11:14,739 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:14,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:14,739 INFO L85 PathProgramCache]: Analyzing trace with hash 977250997, now seen corresponding path program 1 times [2022-11-25 17:11:14,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:14,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669963383] [2022-11-25 17:11:14,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:14,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:15,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:15,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669963383] [2022-11-25 17:11:15,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669963383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:15,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:15,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:15,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753688212] [2022-11-25 17:11:15,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:15,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:15,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:15,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:15,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:15,094 INFO L87 Difference]: Start difference. First operand 1568 states and 2191 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) [2022-11-25 17:11:19,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:19,309 INFO L93 Difference]: Finished difference Result 2931 states and 4131 transitions. [2022-11-25 17:11:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:19,310 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 [2022-11-25 17:11:19,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:19,313 INFO L225 Difference]: With dead ends: 2931 [2022-11-25 17:11:19,314 INFO L226 Difference]: Without dead ends: 2741 [2022-11-25 17:11:19,315 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:19,315 INFO L413 NwaCegarLoop]: 1144 mSDtfsCounter, 6576 mSDsluCounter, 4716 mSDsCounter, 0 mSdLazyCounter, 4692 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6576 SdHoareTripleChecker+Valid, 5860 SdHoareTripleChecker+Invalid, 4698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:19,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6576 Valid, 5860 Invalid, 4698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4692 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 17:11:19,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-11-25 17:11:19,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-11-25 17:11:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4230019493177388) internal successors, (2190), 1567 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) [2022-11-25 17:11:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2190 transitions. [2022-11-25 17:11:19,696 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2190 transitions. Word has length 112 [2022-11-25 17:11:19,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:19,697 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2190 transitions. [2022-11-25 17:11:19,697 INFO L496 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) [2022-11-25 17:11:19,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2190 transitions. [2022-11-25 17:11:19,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:19,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:19,699 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:19,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-25 17:11:19,699 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:19,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:19,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1047979927, now seen corresponding path program 1 times [2022-11-25 17:11:19,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:19,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179404118] [2022-11-25 17:11:19,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:19,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:20,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:20,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179404118] [2022-11-25 17:11:20,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179404118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:20,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:20,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:20,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600087756] [2022-11-25 17:11:20,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:20,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:20,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:20,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:20,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:20,021 INFO L87 Difference]: Start difference. First operand 1568 states and 2190 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) [2022-11-25 17:11:23,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:23,779 INFO L93 Difference]: Finished difference Result 2931 states and 4130 transitions. [2022-11-25 17:11:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:23,779 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 [2022-11-25 17:11:23,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:23,783 INFO L225 Difference]: With dead ends: 2931 [2022-11-25 17:11:23,783 INFO L226 Difference]: Without dead ends: 2741 [2022-11-25 17:11:23,784 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:23,787 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 5491 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 3888 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5491 SdHoareTripleChecker+Valid, 4790 SdHoareTripleChecker+Invalid, 3895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:23,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5491 Valid, 4790 Invalid, 3895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3888 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:11:23,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-11-25 17:11:24,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-11-25 17:11:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4223521767381417) internal successors, (2189), 1567 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) [2022-11-25 17:11:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2189 transitions. [2022-11-25 17:11:24,253 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2189 transitions. Word has length 112 [2022-11-25 17:11:24,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:24,253 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2189 transitions. [2022-11-25 17:11:24,254 INFO L496 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) [2022-11-25 17:11:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2189 transitions. [2022-11-25 17:11:24,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:24,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:24,255 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:24,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-25 17:11:24,256 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:24,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:24,256 INFO L85 PathProgramCache]: Analyzing trace with hash -619395701, now seen corresponding path program 1 times [2022-11-25 17:11:24,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:24,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80418398] [2022-11-25 17:11:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:24,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:24,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:24,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80418398] [2022-11-25 17:11:24,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80418398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:24,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:24,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:24,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010332282] [2022-11-25 17:11:24,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:24,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:24,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:24,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:24,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:24,658 INFO L87 Difference]: Start difference. First operand 1568 states and 2189 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) [2022-11-25 17:11:28,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:28,991 INFO L93 Difference]: Finished difference Result 2929 states and 4126 transitions. [2022-11-25 17:11:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:28,992 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 [2022-11-25 17:11:28,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:28,994 INFO L225 Difference]: With dead ends: 2929 [2022-11-25 17:11:28,994 INFO L226 Difference]: Without dead ends: 2741 [2022-11-25 17:11:28,995 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:28,996 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 6724 mSDsluCounter, 4540 mSDsCounter, 0 mSdLazyCounter, 4484 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6724 SdHoareTripleChecker+Valid, 5620 SdHoareTripleChecker+Invalid, 4491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:28,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6724 Valid, 5620 Invalid, 4491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4484 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 17:11:28,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-11-25 17:11:29,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-11-25 17:11:29,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4217024041585444) internal successors, (2188), 1567 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) [2022-11-25 17:11:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2188 transitions. [2022-11-25 17:11:29,376 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2188 transitions. Word has length 112 [2022-11-25 17:11:29,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:29,376 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2188 transitions. [2022-11-25 17:11:29,376 INFO L496 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) [2022-11-25 17:11:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2188 transitions. [2022-11-25 17:11:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:29,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:29,379 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:29,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-25 17:11:29,380 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:29,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:29,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1076754052, now seen corresponding path program 1 times [2022-11-25 17:11:29,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:29,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630514095] [2022-11-25 17:11:29,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:29,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:29,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:29,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630514095] [2022-11-25 17:11:29,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630514095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:29,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:29,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:29,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103660975] [2022-11-25 17:11:29,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:29,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:29,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:29,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:29,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:29,722 INFO L87 Difference]: Start difference. First operand 1568 states and 2188 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) [2022-11-25 17:11:33,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:33,350 INFO L93 Difference]: Finished difference Result 2955 states and 4157 transitions. [2022-11-25 17:11:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:33,350 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 [2022-11-25 17:11:33,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:33,353 INFO L225 Difference]: With dead ends: 2955 [2022-11-25 17:11:33,354 INFO L226 Difference]: Without dead ends: 2741 [2022-11-25 17:11:33,354 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:33,355 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 4816 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 3559 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4816 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 3566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:33,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4816 Valid, 4454 Invalid, 3566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3559 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:11:33,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-11-25 17:11:33,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-11-25 17:11:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4204028589993503) internal successors, (2186), 1567 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) [2022-11-25 17:11:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2186 transitions. [2022-11-25 17:11:33,744 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2186 transitions. Word has length 112 [2022-11-25 17:11:33,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:33,745 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2186 transitions. [2022-11-25 17:11:33,745 INFO L496 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) [2022-11-25 17:11:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2186 transitions. [2022-11-25 17:11:33,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:33,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:33,747 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:33,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-25 17:11:33,748 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:33,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:33,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2069154486, now seen corresponding path program 1 times [2022-11-25 17:11:33,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:33,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254578611] [2022-11-25 17:11:33,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:33,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:34,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:34,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254578611] [2022-11-25 17:11:34,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254578611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:34,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:34,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:34,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741611707] [2022-11-25 17:11:34,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:34,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:34,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:34,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:34,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:34,049 INFO L87 Difference]: Start difference. First operand 1568 states and 2186 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) [2022-11-25 17:11:37,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:37,619 INFO L93 Difference]: Finished difference Result 2879 states and 4033 transitions. [2022-11-25 17:11:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:37,620 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 [2022-11-25 17:11:37,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:37,623 INFO L225 Difference]: With dead ends: 2879 [2022-11-25 17:11:37,623 INFO L226 Difference]: Without dead ends: 2693 [2022-11-25 17:11:37,624 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:37,624 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 3969 mSDsluCounter, 3135 mSDsCounter, 0 mSdLazyCounter, 3391 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3969 SdHoareTripleChecker+Valid, 4102 SdHoareTripleChecker+Invalid, 3397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:37,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3969 Valid, 4102 Invalid, 3397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3391 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:11:37,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-11-25 17:11:38,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 1568. [2022-11-25 17:11:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4191033138401559) internal successors, (2184), 1567 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) [2022-11-25 17:11:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2184 transitions. [2022-11-25 17:11:38,050 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2184 transitions. Word has length 112 [2022-11-25 17:11:38,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:38,050 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2184 transitions. [2022-11-25 17:11:38,050 INFO L496 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) [2022-11-25 17:11:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2184 transitions. [2022-11-25 17:11:38,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:38,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:38,052 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:38,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-25 17:11:38,053 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:38,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:38,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1630269001, now seen corresponding path program 1 times [2022-11-25 17:11:38,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:38,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512377647] [2022-11-25 17:11:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:38,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:38,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:38,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512377647] [2022-11-25 17:11:38,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512377647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:38,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:38,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:38,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051496543] [2022-11-25 17:11:38,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:38,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:38,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:38,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:38,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:38,373 INFO L87 Difference]: Start difference. First operand 1568 states and 2184 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) [2022-11-25 17:11:42,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:42,440 INFO L93 Difference]: Finished difference Result 3169 states and 4464 transitions. [2022-11-25 17:11:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:42,441 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 [2022-11-25 17:11:42,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:42,443 INFO L225 Difference]: With dead ends: 3169 [2022-11-25 17:11:42,443 INFO L226 Difference]: Without dead ends: 2797 [2022-11-25 17:11:42,444 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:42,445 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 6945 mSDsluCounter, 3993 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6945 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 4007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:42,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6945 Valid, 5224 Invalid, 4007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:11:42,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-11-25 17:11:42,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1568. [2022-11-25 17:11:42,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4178037686809617) internal successors, (2182), 1567 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) [2022-11-25 17:11:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2182 transitions. [2022-11-25 17:11:42,889 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2182 transitions. Word has length 112 [2022-11-25 17:11:42,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:42,889 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2182 transitions. [2022-11-25 17:11:42,890 INFO L496 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) [2022-11-25 17:11:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2182 transitions. [2022-11-25 17:11:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:42,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:42,892 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:42,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-25 17:11:42,892 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:42,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:42,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1150193153, now seen corresponding path program 1 times [2022-11-25 17:11:42,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:42,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428699418] [2022-11-25 17:11:42,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:42,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:43,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:43,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428699418] [2022-11-25 17:11:43,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428699418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:43,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:43,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:43,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312257413] [2022-11-25 17:11:43,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:43,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:43,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:43,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:43,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:43,258 INFO L87 Difference]: Start difference. First operand 1568 states and 2182 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) [2022-11-25 17:11:47,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:47,198 INFO L93 Difference]: Finished difference Result 3029 states and 4259 transitions. [2022-11-25 17:11:47,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:47,199 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 [2022-11-25 17:11:47,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:47,202 INFO L225 Difference]: With dead ends: 3029 [2022-11-25 17:11:47,202 INFO L226 Difference]: Without dead ends: 2765 [2022-11-25 17:11:47,204 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:47,204 INFO L413 NwaCegarLoop]: 1106 mSDtfsCounter, 7798 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 3673 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7798 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 3681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:47,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7798 Valid, 4711 Invalid, 3681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3673 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:11:47,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-11-25 17:11:47,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-11-25 17:11:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4165042235217673) internal successors, (2180), 1567 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) [2022-11-25 17:11:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2180 transitions. [2022-11-25 17:11:47,695 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2180 transitions. Word has length 112 [2022-11-25 17:11:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:47,695 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2180 transitions. [2022-11-25 17:11:47,695 INFO L496 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) [2022-11-25 17:11:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2180 transitions. [2022-11-25 17:11:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:47,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:47,698 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:47,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-25 17:11:47,698 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:47,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:47,699 INFO L85 PathProgramCache]: Analyzing trace with hash -469685084, now seen corresponding path program 1 times [2022-11-25 17:11:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:47,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984060907] [2022-11-25 17:11:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:47,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:48,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:48,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984060907] [2022-11-25 17:11:48,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984060907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:48,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:48,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:48,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299833588] [2022-11-25 17:11:48,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:48,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:48,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:48,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:48,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:48,065 INFO L87 Difference]: Start difference. First operand 1568 states and 2180 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) [2022-11-25 17:11:52,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:52,451 INFO L93 Difference]: Finished difference Result 2951 states and 4148 transitions. [2022-11-25 17:11:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:52,451 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 [2022-11-25 17:11:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:52,454 INFO L225 Difference]: With dead ends: 2951 [2022-11-25 17:11:52,454 INFO L226 Difference]: Without dead ends: 2741 [2022-11-25 17:11:52,455 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:11:52,456 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 6574 mSDsluCounter, 4661 mSDsCounter, 0 mSdLazyCounter, 4615 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6574 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 4622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:52,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6574 Valid, 5786 Invalid, 4622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4615 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 17:11:52,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-11-25 17:11:52,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-11-25 17:11:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4152046783625731) internal successors, (2178), 1567 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) [2022-11-25 17:11:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2178 transitions. [2022-11-25 17:11:52,924 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2178 transitions. Word has length 112 [2022-11-25 17:11:52,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:52,924 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2178 transitions. [2022-11-25 17:11:52,924 INFO L496 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) [2022-11-25 17:11:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2178 transitions. [2022-11-25 17:11:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:52,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:52,928 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:52,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-25 17:11:52,928 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:52,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:52,929 INFO L85 PathProgramCache]: Analyzing trace with hash -79489975, now seen corresponding path program 1 times [2022-11-25 17:11:52,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:52,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844328249] [2022-11-25 17:11:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:52,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:53,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:53,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844328249] [2022-11-25 17:11:53,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844328249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:53,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:53,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:53,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112821912] [2022-11-25 17:11:53,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:53,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:53,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:53,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:53,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:53,180 INFO L87 Difference]: Start difference. First operand 1568 states and 2178 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) [2022-11-25 17:11:57,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:57,225 INFO L93 Difference]: Finished difference Result 3221 states and 4528 transitions. [2022-11-25 17:11:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:11:57,226 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 [2022-11-25 17:11:57,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:57,228 INFO L225 Difference]: With dead ends: 3221 [2022-11-25 17:11:57,228 INFO L226 Difference]: Without dead ends: 2797 [2022-11-25 17:11:57,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:11:57,230 INFO L413 NwaCegarLoop]: 1308 mSDtfsCounter, 5290 mSDsluCounter, 3829 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5290 SdHoareTripleChecker+Valid, 5137 SdHoareTripleChecker+Invalid, 3959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:57,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5290 Valid, 5137 Invalid, 3959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:11:57,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-11-25 17:11:57,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1568. [2022-11-25 17:11:57,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4139051332033787) internal successors, (2176), 1567 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) [2022-11-25 17:11:57,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2176 transitions. [2022-11-25 17:11:57,684 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2176 transitions. Word has length 112 [2022-11-25 17:11:57,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:57,684 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2176 transitions. [2022-11-25 17:11:57,684 INFO L496 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) [2022-11-25 17:11:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2176 transitions. [2022-11-25 17:11:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:11:57,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:57,687 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:11:57,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-25 17:11:57,688 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:11:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:57,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1562562040, now seen corresponding path program 1 times [2022-11-25 17:11:57,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:57,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941885342] [2022-11-25 17:11:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:57,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:11:57,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:57,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941885342] [2022-11-25 17:11:57,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941885342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:57,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:57,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:11:57,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125932681] [2022-11-25 17:11:57,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:57,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:11:57,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:57,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:11:57,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:11:57,919 INFO L87 Difference]: Start difference. First operand 1568 states and 2176 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) [2022-11-25 17:12:01,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:01,925 INFO L93 Difference]: Finished difference Result 2959 states and 4153 transitions. [2022-11-25 17:12:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:12:01,926 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 [2022-11-25 17:12:01,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:01,928 INFO L225 Difference]: With dead ends: 2959 [2022-11-25 17:12:01,929 INFO L226 Difference]: Without dead ends: 2741 [2022-11-25 17:12:01,930 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:12:01,930 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 3677 mSDsluCounter, 3648 mSDsCounter, 0 mSdLazyCounter, 3836 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3677 SdHoareTripleChecker+Valid, 4773 SdHoareTripleChecker+Invalid, 3842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:01,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3677 Valid, 4773 Invalid, 3842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3836 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:12:01,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-11-25 17:12:02,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-11-25 17:12:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4126055880441846) internal successors, (2174), 1567 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) [2022-11-25 17:12:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2174 transitions. [2022-11-25 17:12:02,406 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2174 transitions. Word has length 112 [2022-11-25 17:12:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:02,406 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2174 transitions. [2022-11-25 17:12:02,406 INFO L496 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) [2022-11-25 17:12:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2174 transitions. [2022-11-25 17:12:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:12:02,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:02,408 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:02,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-25 17:12:02,408 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:02,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:02,409 INFO L85 PathProgramCache]: Analyzing trace with hash -725792126, now seen corresponding path program 1 times [2022-11-25 17:12:02,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:02,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988303101] [2022-11-25 17:12:02,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:02,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:02,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:02,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988303101] [2022-11-25 17:12:02,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988303101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:02,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:02,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:12:02,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533048398] [2022-11-25 17:12:02,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:02,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:12:02,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:02,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:12:02,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:12:02,657 INFO L87 Difference]: Start difference. First operand 1568 states and 2174 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) [2022-11-25 17:12:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:06,845 INFO L93 Difference]: Finished difference Result 3049 states and 4276 transitions. [2022-11-25 17:12:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:12:06,846 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 [2022-11-25 17:12:06,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:06,848 INFO L225 Difference]: With dead ends: 3049 [2022-11-25 17:12:06,848 INFO L226 Difference]: Without dead ends: 2765 [2022-11-25 17:12:06,850 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:12:06,850 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 4841 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 4316 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4841 SdHoareTripleChecker+Valid, 5533 SdHoareTripleChecker+Invalid, 4321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:06,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4841 Valid, 5533 Invalid, 4321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4316 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:12:06,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-11-25 17:12:07,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-11-25 17:12:07,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4113060428849902) internal successors, (2172), 1567 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) [2022-11-25 17:12:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2172 transitions. [2022-11-25 17:12:07,334 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2172 transitions. Word has length 112 [2022-11-25 17:12:07,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:07,335 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2172 transitions. [2022-11-25 17:12:07,335 INFO L496 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) [2022-11-25 17:12:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2172 transitions. [2022-11-25 17:12:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:12:07,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:07,338 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:07,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-25 17:12:07,339 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:07,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:07,339 INFO L85 PathProgramCache]: Analyzing trace with hash -946629140, now seen corresponding path program 1 times [2022-11-25 17:12:07,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:07,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446229081] [2022-11-25 17:12:07,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:07,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:07,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:07,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446229081] [2022-11-25 17:12:07,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446229081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:07,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:07,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:12:07,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574204717] [2022-11-25 17:12:07,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:07,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:12:07,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:07,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:12:07,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:12:07,883 INFO L87 Difference]: Start difference. First operand 1568 states and 2172 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) [2022-11-25 17:12:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:15,012 INFO L93 Difference]: Finished difference Result 4147 states and 5870 transitions. [2022-11-25 17:12:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:12:15,019 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 [2022-11-25 17:12:15,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:15,022 INFO L225 Difference]: With dead ends: 4147 [2022-11-25 17:12:15,023 INFO L226 Difference]: Without dead ends: 3943 [2022-11-25 17:12:15,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:12:15,025 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 10738 mSDsluCounter, 4399 mSDsCounter, 0 mSdLazyCounter, 4613 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10738 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 4944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 4613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:15,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10738 Valid, 5716 Invalid, 4944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 4613 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 17:12:15,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2022-11-25 17:12:15,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 1572. [2022-11-25 17:12:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.410239792611795) internal successors, (2176), 1571 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) [2022-11-25 17:12:15,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2176 transitions. [2022-11-25 17:12:15,549 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2176 transitions. Word has length 114 [2022-11-25 17:12:15,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:15,550 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2176 transitions. [2022-11-25 17:12:15,550 INFO L496 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) [2022-11-25 17:12:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2176 transitions. [2022-11-25 17:12:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:12:15,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:15,552 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:15,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-25 17:12:15,553 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:15,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:15,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1355474368, now seen corresponding path program 1 times [2022-11-25 17:12:15,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:15,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541863095] [2022-11-25 17:12:15,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:15,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:15,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:15,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541863095] [2022-11-25 17:12:15,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541863095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:15,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:15,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:12:15,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048496253] [2022-11-25 17:12:15,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:15,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:12:15,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:15,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:12:15,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:12:15,970 INFO L87 Difference]: Start difference. First operand 1572 states and 2176 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) [2022-11-25 17:12:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:20,573 INFO L93 Difference]: Finished difference Result 2879 states and 4016 transitions. [2022-11-25 17:12:20,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:12:20,574 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 [2022-11-25 17:12:20,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:20,576 INFO L225 Difference]: With dead ends: 2879 [2022-11-25 17:12:20,576 INFO L226 Difference]: Without dead ends: 2697 [2022-11-25 17:12:20,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:12:20,577 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 6662 mSDsluCounter, 4344 mSDsCounter, 0 mSdLazyCounter, 4379 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6662 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:20,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6662 Valid, 5396 Invalid, 4385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4379 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 17:12:20,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2022-11-25 17:12:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1572. [2022-11-25 17:12:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.4095917044718083) internal successors, (2175), 1571 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:12:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2175 transitions. [2022-11-25 17:12:21,105 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2175 transitions. Word has length 114 [2022-11-25 17:12:21,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:21,105 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2175 transitions. [2022-11-25 17:12:21,105 INFO L496 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) [2022-11-25 17:12:21,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2175 transitions. [2022-11-25 17:12:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:12:21,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:21,108 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:21,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-25 17:12:21,108 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:21,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:21,109 INFO L85 PathProgramCache]: Analyzing trace with hash -987372193, now seen corresponding path program 1 times [2022-11-25 17:12:21,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:21,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579524576] [2022-11-25 17:12:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:21,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:21,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:21,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579524576] [2022-11-25 17:12:21,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579524576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:21,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:21,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:12:21,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915190880] [2022-11-25 17:12:21,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:21,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:12:21,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:21,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:12:21,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:12:21,742 INFO L87 Difference]: Start difference. First operand 1572 states and 2175 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) [2022-11-25 17:12:29,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:29,031 INFO L93 Difference]: Finished difference Result 3899 states and 5494 transitions. [2022-11-25 17:12:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:12:29,031 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 [2022-11-25 17:12:29,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:29,036 INFO L225 Difference]: With dead ends: 3899 [2022-11-25 17:12:29,036 INFO L226 Difference]: Without dead ends: 3717 [2022-11-25 17:12:29,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:12:29,038 INFO L413 NwaCegarLoop]: 1103 mSDtfsCounter, 12736 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 4121 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12736 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 4495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 4121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:29,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12736 Valid, 5000 Invalid, 4495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 4121 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-25 17:12:29,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3717 states. [2022-11-25 17:12:29,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3717 to 1576. [2022-11-25 17:12:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.4085326438267616) internal successors, (2179), 1575 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:12:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2179 transitions. [2022-11-25 17:12:29,710 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2179 transitions. Word has length 114 [2022-11-25 17:12:29,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:29,711 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2179 transitions. [2022-11-25 17:12:29,711 INFO L496 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) [2022-11-25 17:12:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2179 transitions. [2022-11-25 17:12:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:12:29,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:29,714 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:29,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-25 17:12:29,715 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:29,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:29,716 INFO L85 PathProgramCache]: Analyzing trace with hash -351977045, now seen corresponding path program 1 times [2022-11-25 17:12:29,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:29,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436006959] [2022-11-25 17:12:29,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:29,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:29,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:29,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436006959] [2022-11-25 17:12:29,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436006959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:29,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:29,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:12:29,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54325630] [2022-11-25 17:12:29,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:29,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:12:29,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:29,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:12:29,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:12:29,974 INFO L87 Difference]: Start difference. First operand 1576 states and 2179 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) [2022-11-25 17:12:34,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:34,333 INFO L93 Difference]: Finished difference Result 2875 states and 4010 transitions. [2022-11-25 17:12:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:12:34,334 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 [2022-11-25 17:12:34,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:34,337 INFO L225 Difference]: With dead ends: 2875 [2022-11-25 17:12:34,338 INFO L226 Difference]: Without dead ends: 2697 [2022-11-25 17:12:34,339 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:12:34,339 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 5787 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 3451 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5787 SdHoareTripleChecker+Valid, 4201 SdHoareTripleChecker+Invalid, 3458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:34,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5787 Valid, 4201 Invalid, 3458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3451 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 17:12:34,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2022-11-25 17:12:34,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1576. [2022-11-25 17:12:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.4078862314156433) internal successors, (2178), 1575 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) [2022-11-25 17:12:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2178 transitions. [2022-11-25 17:12:34,943 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2178 transitions. Word has length 114 [2022-11-25 17:12:34,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:34,944 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2178 transitions. [2022-11-25 17:12:34,944 INFO L496 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) [2022-11-25 17:12:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2178 transitions. [2022-11-25 17:12:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:12:34,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:34,946 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:34,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-25 17:12:34,947 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:34,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:34,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1333833148, now seen corresponding path program 1 times [2022-11-25 17:12:34,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:34,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233170510] [2022-11-25 17:12:34,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:34,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:35,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:35,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233170510] [2022-11-25 17:12:35,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233170510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:35,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:35,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:12:35,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834577894] [2022-11-25 17:12:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:35,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:12:35,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:35,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:12:35,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:12:35,446 INFO L87 Difference]: Start difference. First operand 1576 states and 2178 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) [2022-11-25 17:12:43,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:43,263 INFO L93 Difference]: Finished difference Result 4133 states and 5852 transitions. [2022-11-25 17:12:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:12:43,263 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 [2022-11-25 17:12:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:43,268 INFO L225 Difference]: With dead ends: 4133 [2022-11-25 17:12:43,268 INFO L226 Difference]: Without dead ends: 3938 [2022-11-25 17:12:43,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:12:43,269 INFO L413 NwaCegarLoop]: 1284 mSDtfsCounter, 13139 mSDsluCounter, 4334 mSDsCounter, 0 mSdLazyCounter, 4534 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13139 SdHoareTripleChecker+Valid, 5618 SdHoareTripleChecker+Invalid, 4871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 4534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:43,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13139 Valid, 5618 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 4534 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 17:12:43,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2022-11-25 17:12:43,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 1580. [2022-11-25 17:12:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1551 states have (on average 1.4068343004513217) internal successors, (2182), 1579 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) [2022-11-25 17:12:43,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2182 transitions. [2022-11-25 17:12:43,928 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2182 transitions. Word has length 114 [2022-11-25 17:12:43,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:43,929 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2182 transitions. [2022-11-25 17:12:43,929 INFO L496 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) [2022-11-25 17:12:43,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2182 transitions. [2022-11-25 17:12:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:12:43,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:43,931 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:43,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-25 17:12:43,931 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:43,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:43,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1812075390, now seen corresponding path program 1 times [2022-11-25 17:12:43,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:43,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391493048] [2022-11-25 17:12:43,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:43,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:44,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:44,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391493048] [2022-11-25 17:12:44,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391493048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:44,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:44,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:12:44,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994668307] [2022-11-25 17:12:44,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:44,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:12:44,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:44,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:12:44,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:12:44,249 INFO L87 Difference]: Start difference. First operand 1580 states and 2182 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) [2022-11-25 17:12:49,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:49,448 INFO L93 Difference]: Finished difference Result 2879 states and 4013 transitions. [2022-11-25 17:12:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:12:49,448 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 [2022-11-25 17:12:49,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:49,451 INFO L225 Difference]: With dead ends: 2879 [2022-11-25 17:12:49,451 INFO L226 Difference]: Without dead ends: 2701 [2022-11-25 17:12:49,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:12:49,453 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 6661 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 4342 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6661 SdHoareTripleChecker+Valid, 5379 SdHoareTripleChecker+Invalid, 4348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:49,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6661 Valid, 5379 Invalid, 4348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4342 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 17:12:49,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2022-11-25 17:12:50,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1580. [2022-11-25 17:12:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1551 states have (on average 1.4061895551257253) internal successors, (2181), 1579 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:12:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2181 transitions. [2022-11-25 17:12:50,137 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2181 transitions. Word has length 114 [2022-11-25 17:12:50,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:50,138 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2181 transitions. [2022-11-25 17:12:50,138 INFO L496 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) [2022-11-25 17:12:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2181 transitions. [2022-11-25 17:12:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:12:50,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:50,140 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:50,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-25 17:12:50,140 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:50,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:50,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1611191930, now seen corresponding path program 1 times [2022-11-25 17:12:50,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:50,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977242370] [2022-11-25 17:12:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:50,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:50,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:50,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977242370] [2022-11-25 17:12:50,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977242370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:50,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:50,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:12:50,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593145707] [2022-11-25 17:12:50,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:50,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:12:50,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:50,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:12:50,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:12:50,609 INFO L87 Difference]: Start difference. First operand 1580 states and 2181 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) [2022-11-25 17:12:58,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:58,513 INFO L93 Difference]: Finished difference Result 3895 states and 5487 transitions. [2022-11-25 17:12:58,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:12:58,514 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 [2022-11-25 17:12:58,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:58,519 INFO L225 Difference]: With dead ends: 3895 [2022-11-25 17:12:58,519 INFO L226 Difference]: Without dead ends: 3717 [2022-11-25 17:12:58,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:12:58,521 INFO L413 NwaCegarLoop]: 1091 mSDtfsCounter, 10507 mSDsluCounter, 3876 mSDsCounter, 0 mSdLazyCounter, 4086 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10507 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 4460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 4086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:58,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10507 Valid, 4967 Invalid, 4460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 4086 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-25 17:12:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3717 states. [2022-11-25 17:12:59,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3717 to 1584. [2022-11-25 17:12:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1555 states have (on average 1.405144694533762) internal successors, (2185), 1583 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:12:59,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2185 transitions. [2022-11-25 17:12:59,184 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2185 transitions. Word has length 114 [2022-11-25 17:12:59,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:59,184 INFO L495 AbstractCegarLoop]: Abstraction has 1584 states and 2185 transitions. [2022-11-25 17:12:59,184 INFO L496 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) [2022-11-25 17:12:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2185 transitions. [2022-11-25 17:12:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:12:59,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:59,186 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:12:59,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-25 17:12:59,186 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:12:59,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:59,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1777543820, now seen corresponding path program 1 times [2022-11-25 17:12:59,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:59,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987727818] [2022-11-25 17:12:59,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:59,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:59,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:12:59,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:59,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987727818] [2022-11-25 17:12:59,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987727818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:59,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:59,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:12:59,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894334312] [2022-11-25 17:12:59,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:59,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:12:59,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:59,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:12:59,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:12:59,703 INFO L87 Difference]: Start difference. First operand 1584 states and 2185 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) [2022-11-25 17:13:08,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:08,183 INFO L93 Difference]: Finished difference Result 4137 states and 5851 transitions. [2022-11-25 17:13:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:13:08,184 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 [2022-11-25 17:13:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:08,188 INFO L225 Difference]: With dead ends: 4137 [2022-11-25 17:13:08,188 INFO L226 Difference]: Without dead ends: 3942 [2022-11-25 17:13:08,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:13:08,190 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 13261 mSDsluCounter, 4284 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13261 SdHoareTripleChecker+Valid, 5547 SdHoareTripleChecker+Invalid, 4809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:08,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13261 Valid, 5547 Invalid, 4809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-25 17:13:08,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2022-11-25 17:13:08,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 1588. [2022-11-25 17:13:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.4041051956382296) internal successors, (2189), 1587 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) [2022-11-25 17:13:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2189 transitions. [2022-11-25 17:13:08,871 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2189 transitions. Word has length 114 [2022-11-25 17:13:08,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:08,871 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2189 transitions. [2022-11-25 17:13:08,871 INFO L496 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) [2022-11-25 17:13:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2189 transitions. [2022-11-25 17:13:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:13:08,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:08,873 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:13:08,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-25 17:13:08,873 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:13:08,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:08,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1368364718, now seen corresponding path program 1 times [2022-11-25 17:13:08,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:08,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240558988] [2022-11-25 17:13:08,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:08,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:13:09,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:13:09,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240558988] [2022-11-25 17:13:09,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240558988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:13:09,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:13:09,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:13:09,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795189084] [2022-11-25 17:13:09,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:13:09,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:13:09,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:13:09,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:13:09,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:13:09,154 INFO L87 Difference]: Start difference. First operand 1588 states and 2189 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) [2022-11-25 17:13:14,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:14,888 INFO L93 Difference]: Finished difference Result 2883 states and 4015 transitions. [2022-11-25 17:13:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:13:14,889 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 [2022-11-25 17:13:14,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:14,892 INFO L225 Difference]: With dead ends: 2883 [2022-11-25 17:13:14,892 INFO L226 Difference]: Without dead ends: 2705 [2022-11-25 17:13:14,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:13:14,894 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 6668 mSDsluCounter, 4315 mSDsCounter, 0 mSdLazyCounter, 4310 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6668 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 4316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:14,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6668 Valid, 5356 Invalid, 4316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4310 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-25 17:13:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-11-25 17:13:15,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1588. [2022-11-25 17:13:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.4034637588197563) internal successors, (2188), 1587 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) [2022-11-25 17:13:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2188 transitions. [2022-11-25 17:13:15,664 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2188 transitions. Word has length 114 [2022-11-25 17:13:15,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:15,664 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2188 transitions. [2022-11-25 17:13:15,665 INFO L496 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) [2022-11-25 17:13:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2188 transitions. [2022-11-25 17:13:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:13:15,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:15,666 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:13:15,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-25 17:13:15,667 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:13:15,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:15,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1167481258, now seen corresponding path program 1 times [2022-11-25 17:13:15,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:15,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628087139] [2022-11-25 17:13:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:15,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:13:16,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:13:16,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628087139] [2022-11-25 17:13:16,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628087139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:13:16,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:13:16,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:13:16,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782929449] [2022-11-25 17:13:16,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:13:16,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:13:16,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:13:16,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:13:16,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:13:16,200 INFO L87 Difference]: Start difference. First operand 1588 states and 2188 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) [2022-11-25 17:13:25,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:25,219 INFO L93 Difference]: Finished difference Result 3899 states and 5489 transitions. [2022-11-25 17:13:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:13:25,219 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 [2022-11-25 17:13:25,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:25,224 INFO L225 Difference]: With dead ends: 3899 [2022-11-25 17:13:25,224 INFO L226 Difference]: Without dead ends: 3721 [2022-11-25 17:13:25,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:13:25,226 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 10534 mSDsluCounter, 3858 mSDsCounter, 0 mSdLazyCounter, 4058 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10534 SdHoareTripleChecker+Valid, 4942 SdHoareTripleChecker+Invalid, 4436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 4058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:25,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10534 Valid, 4942 Invalid, 4436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 4058 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-25 17:13:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3721 states. [2022-11-25 17:13:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3721 to 1592. [2022-11-25 17:13:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.4024312220089572) internal successors, (2192), 1591 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) [2022-11-25 17:13:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2192 transitions. [2022-11-25 17:13:25,999 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2192 transitions. Word has length 114 [2022-11-25 17:13:26,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:26,000 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2192 transitions. [2022-11-25 17:13:26,000 INFO L496 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) [2022-11-25 17:13:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2192 transitions. [2022-11-25 17:13:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:13:26,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:26,002 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:13:26,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-25 17:13:26,003 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:13:26,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:26,003 INFO L85 PathProgramCache]: Analyzing trace with hash -340131803, now seen corresponding path program 1 times [2022-11-25 17:13:26,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:26,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537775016] [2022-11-25 17:13:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:26,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:13:26,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:13:26,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537775016] [2022-11-25 17:13:26,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537775016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:13:26,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:13:26,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:13:26,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113022577] [2022-11-25 17:13:26,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:13:26,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:13:26,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:13:26,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:13:26,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:13:26,313 INFO L87 Difference]: Start difference. First operand 1592 states and 2192 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) [2022-11-25 17:13:31,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:31,928 INFO L93 Difference]: Finished difference Result 2882 states and 4012 transitions. [2022-11-25 17:13:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:13:31,928 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 [2022-11-25 17:13:31,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:31,931 INFO L225 Difference]: With dead ends: 2882 [2022-11-25 17:13:31,931 INFO L226 Difference]: Without dead ends: 2705 [2022-11-25 17:13:31,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:13:31,932 INFO L413 NwaCegarLoop]: 1036 mSDtfsCounter, 6674 mSDsluCounter, 4300 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6674 SdHoareTripleChecker+Valid, 5336 SdHoareTripleChecker+Invalid, 4283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:31,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6674 Valid, 5336 Invalid, 4283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4277 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 17:13:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-11-25 17:13:32,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1592. [2022-11-25 17:13:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.4017914267434421) internal successors, (2191), 1591 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) [2022-11-25 17:13:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2191 transitions. [2022-11-25 17:13:32,713 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2191 transitions. Word has length 114 [2022-11-25 17:13:32,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:32,713 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2191 transitions. [2022-11-25 17:13:32,714 INFO L496 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) [2022-11-25 17:13:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2191 transitions. [2022-11-25 17:13:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:13:32,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:32,716 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:13:32,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-25 17:13:32,717 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:13:32,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:32,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1608318294, now seen corresponding path program 1 times [2022-11-25 17:13:32,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:32,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029961609] [2022-11-25 17:13:32,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:13:32,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:13:32,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029961609] [2022-11-25 17:13:32,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029961609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:13:32,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:13:32,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:13:32,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595920518] [2022-11-25 17:13:32,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:13:32,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:13:32,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:13:32,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:13:32,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:13:32,968 INFO L87 Difference]: Start difference. First operand 1592 states and 2191 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) [2022-11-25 17:13:38,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:38,003 INFO L93 Difference]: Finished difference Result 2883 states and 4012 transitions. [2022-11-25 17:13:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:13:38,004 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 [2022-11-25 17:13:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:38,006 INFO L225 Difference]: With dead ends: 2883 [2022-11-25 17:13:38,007 INFO L226 Difference]: Without dead ends: 2705 [2022-11-25 17:13:38,007 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:13:38,007 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 3782 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3782 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 3550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:38,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3782 Valid, 4345 Invalid, 3550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:13:38,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-11-25 17:13:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1592. [2022-11-25 17:13:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.401151631477927) internal successors, (2190), 1591 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) [2022-11-25 17:13:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2190 transitions. [2022-11-25 17:13:38,737 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2190 transitions. Word has length 114 [2022-11-25 17:13:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:38,738 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2190 transitions. [2022-11-25 17:13:38,738 INFO L496 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) [2022-11-25 17:13:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2190 transitions. [2022-11-25 17:13:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:13:38,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:38,739 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:13:38,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-25 17:13:38,740 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:13:38,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:38,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2040385468, now seen corresponding path program 1 times [2022-11-25 17:13:38,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:38,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902299526] [2022-11-25 17:13:38,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:38,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:13:39,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:13:39,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902299526] [2022-11-25 17:13:39,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902299526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:13:39,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:13:39,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:13:39,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655085328] [2022-11-25 17:13:39,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:13:39,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:13:39,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:13:39,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:13:39,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:13:39,075 INFO L87 Difference]: Start difference. First operand 1592 states and 2190 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) [2022-11-25 17:13:44,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:44,845 INFO L93 Difference]: Finished difference Result 2882 states and 4009 transitions. [2022-11-25 17:13:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:13:44,846 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 [2022-11-25 17:13:44,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:44,848 INFO L225 Difference]: With dead ends: 2882 [2022-11-25 17:13:44,848 INFO L226 Difference]: Without dead ends: 2705 [2022-11-25 17:13:44,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:13:44,849 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 6654 mSDsluCounter, 4336 mSDsCounter, 0 mSdLazyCounter, 4262 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6654 SdHoareTripleChecker+Valid, 5384 SdHoareTripleChecker+Invalid, 4268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:44,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6654 Valid, 5384 Invalid, 4268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4262 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 17:13:44,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-11-25 17:13:45,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1592. [2022-11-25 17:13:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.400511836212412) internal successors, (2189), 1591 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) [2022-11-25 17:13:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2189 transitions. [2022-11-25 17:13:45,627 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2189 transitions. Word has length 114 [2022-11-25 17:13:45,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:45,628 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2189 transitions. [2022-11-25 17:13:45,628 INFO L496 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) [2022-11-25 17:13:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2189 transitions. [2022-11-25 17:13:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:13:45,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:45,630 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:13:45,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-25 17:13:45,631 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:13:45,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:45,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1422313079, now seen corresponding path program 1 times [2022-11-25 17:13:45,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:45,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163366986] [2022-11-25 17:13:45,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:45,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:13:45,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:13:45,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163366986] [2022-11-25 17:13:45,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163366986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:13:45,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:13:45,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:13:45,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115953234] [2022-11-25 17:13:45,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:13:45,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:13:45,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:13:45,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:13:45,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:13:45,942 INFO L87 Difference]: Start difference. First operand 1592 states and 2189 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) [2022-11-25 17:13:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:13:51,294 INFO L93 Difference]: Finished difference Result 2882 states and 4008 transitions. [2022-11-25 17:13:51,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:13:51,295 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 [2022-11-25 17:13:51,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:13:51,297 INFO L225 Difference]: With dead ends: 2882 [2022-11-25 17:13:51,297 INFO L226 Difference]: Without dead ends: 2705 [2022-11-25 17:13:51,298 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:13:51,298 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 5687 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 3534 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5687 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 3541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:13:51,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5687 Valid, 4345 Invalid, 3541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3534 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:13:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-11-25 17:13:52,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1592. [2022-11-25 17:13:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.399872040946897) internal successors, (2188), 1591 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) [2022-11-25 17:13:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2188 transitions. [2022-11-25 17:13:52,071 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2188 transitions. Word has length 114 [2022-11-25 17:13:52,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:13:52,071 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2188 transitions. [2022-11-25 17:13:52,072 INFO L496 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) [2022-11-25 17:13:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2188 transitions. [2022-11-25 17:13:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:13:52,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:13:52,075 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:13:52,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-25 17:13:52,075 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:13:52,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:13:52,076 INFO L85 PathProgramCache]: Analyzing trace with hash -690725463, now seen corresponding path program 1 times [2022-11-25 17:13:52,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:13:52,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869239429] [2022-11-25 17:13:52,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:13:52,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:13:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:13:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:13:52,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:13:52,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869239429] [2022-11-25 17:13:52,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869239429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:13:52,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:13:52,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:13:52,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125272974] [2022-11-25 17:13:52,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:13:52,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:13:52,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:13:52,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:13:52,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:13:52,535 INFO L87 Difference]: Start difference. First operand 1592 states and 2188 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) [2022-11-25 17:14:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:02,702 INFO L93 Difference]: Finished difference Result 4179 states and 5894 transitions. [2022-11-25 17:14:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:14:02,702 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 [2022-11-25 17:14:02,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:02,706 INFO L225 Difference]: With dead ends: 4179 [2022-11-25 17:14:02,706 INFO L226 Difference]: Without dead ends: 3965 [2022-11-25 17:14:02,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:14:02,707 INFO L413 NwaCegarLoop]: 1320 mSDtfsCounter, 11134 mSDsluCounter, 5899 mSDsCounter, 0 mSdLazyCounter, 5836 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11134 SdHoareTripleChecker+Valid, 7219 SdHoareTripleChecker+Invalid, 6171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 5836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:02,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11134 Valid, 7219 Invalid, 6171 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [335 Valid, 5836 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 17:14:02,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3965 states. [2022-11-25 17:14:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3965 to 1600. [2022-11-25 17:14:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1571 states have (on average 1.3978357733927436) internal successors, (2196), 1599 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) [2022-11-25 17:14:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2196 transitions. [2022-11-25 17:14:03,540 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2196 transitions. Word has length 114 [2022-11-25 17:14:03,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:03,540 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 2196 transitions. [2022-11-25 17:14:03,541 INFO L496 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) [2022-11-25 17:14:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2196 transitions. [2022-11-25 17:14:03,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:14:03,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:03,542 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:14:03,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-25 17:14:03,543 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:14:03,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:03,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1099570691, now seen corresponding path program 1 times [2022-11-25 17:14:03,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:14:03,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242119679] [2022-11-25 17:14:03,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:03,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:14:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:14:03,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:14:03,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242119679] [2022-11-25 17:14:03,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242119679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:03,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:03,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:14:03,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558594538] [2022-11-25 17:14:03,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:03,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:14:03,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:14:03,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:14:03,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:14:03,833 INFO L87 Difference]: Start difference. First operand 1600 states and 2196 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) [2022-11-25 17:14:09,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:09,513 INFO L93 Difference]: Finished difference Result 2901 states and 4027 transitions. [2022-11-25 17:14:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:14:09,514 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 [2022-11-25 17:14:09,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:09,516 INFO L225 Difference]: With dead ends: 2901 [2022-11-25 17:14:09,516 INFO L226 Difference]: Without dead ends: 2713 [2022-11-25 17:14:09,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:14:09,518 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 6760 mSDsluCounter, 4135 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6760 SdHoareTripleChecker+Valid, 5116 SdHoareTripleChecker+Invalid, 4075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:09,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6760 Valid, 5116 Invalid, 4075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 17:14:09,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2022-11-25 17:14:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1600. [2022-11-25 17:14:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1571 states have (on average 1.3965626989178868) internal successors, (2194), 1599 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) [2022-11-25 17:14:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2194 transitions. [2022-11-25 17:14:10,366 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2194 transitions. Word has length 114 [2022-11-25 17:14:10,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:10,366 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 2194 transitions. [2022-11-25 17:14:10,366 INFO L496 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) [2022-11-25 17:14:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2194 transitions. [2022-11-25 17:14:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:14:10,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:10,368 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:14:10,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-25 17:14:10,368 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:14:10,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:10,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1590628539, now seen corresponding path program 1 times [2022-11-25 17:14:10,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:14:10,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520798784] [2022-11-25 17:14:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:10,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:14:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:14:10,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:14:10,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520798784] [2022-11-25 17:14:10,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520798784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:10,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:10,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:14:10,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785974112] [2022-11-25 17:14:10,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:10,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:14:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:14:10,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:14:10,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:14:10,861 INFO L87 Difference]: Start difference. First operand 1600 states and 2194 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) [2022-11-25 17:14:20,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:20,340 INFO L93 Difference]: Finished difference Result 4179 states and 5894 transitions. [2022-11-25 17:14:20,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:14:20,341 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 [2022-11-25 17:14:20,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:20,344 INFO L225 Difference]: With dead ends: 4179 [2022-11-25 17:14:20,344 INFO L226 Difference]: Without dead ends: 3965 [2022-11-25 17:14:20,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:14:20,346 INFO L413 NwaCegarLoop]: 1222 mSDtfsCounter, 11133 mSDsluCounter, 4178 mSDsCounter, 0 mSdLazyCounter, 4282 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11133 SdHoareTripleChecker+Valid, 5400 SdHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 4282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:20,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11133 Valid, 5400 Invalid, 4643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 4282 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-25 17:14:20,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3965 states. [2022-11-25 17:14:21,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3965 to 1608. [2022-11-25 17:14:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3945535148828372) internal successors, (2202), 1607 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:14:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2202 transitions. [2022-11-25 17:14:21,217 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2202 transitions. Word has length 114 [2022-11-25 17:14:21,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:21,217 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2202 transitions. [2022-11-25 17:14:21,217 INFO L496 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) [2022-11-25 17:14:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2202 transitions. [2022-11-25 17:14:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:14:21,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:21,219 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:14:21,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-25 17:14:21,219 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:14:21,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:21,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1555279999, now seen corresponding path program 1 times [2022-11-25 17:14:21,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:14:21,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199637177] [2022-11-25 17:14:21,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:21,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:14:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:14:21,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:14:21,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199637177] [2022-11-25 17:14:21,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199637177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:21,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:21,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:14:21,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802894315] [2022-11-25 17:14:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:21,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:14:21,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:14:21,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:14:21,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:14:21,513 INFO L87 Difference]: Start difference. First operand 1608 states and 2202 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) [2022-11-25 17:14:27,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:27,007 INFO L93 Difference]: Finished difference Result 2907 states and 4032 transitions. [2022-11-25 17:14:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:14:27,008 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 [2022-11-25 17:14:27,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:27,010 INFO L225 Difference]: With dead ends: 2907 [2022-11-25 17:14:27,010 INFO L226 Difference]: Without dead ends: 2721 [2022-11-25 17:14:27,011 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:14:27,011 INFO L413 NwaCegarLoop]: 1032 mSDtfsCounter, 5610 mSDsluCounter, 3328 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5610 SdHoareTripleChecker+Valid, 4360 SdHoareTripleChecker+Invalid, 3553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:27,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5610 Valid, 4360 Invalid, 3553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3547 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:14:27,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-11-25 17:14:27,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1608. [2022-11-25 17:14:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3932868904369855) internal successors, (2200), 1607 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) [2022-11-25 17:14:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2200 transitions. [2022-11-25 17:14:27,810 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2200 transitions. Word has length 114 [2022-11-25 17:14:27,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:27,810 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2200 transitions. [2022-11-25 17:14:27,810 INFO L496 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) [2022-11-25 17:14:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2200 transitions. [2022-11-25 17:14:27,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:14:27,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:27,812 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:14:27,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-25 17:14:27,812 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:14:27,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:27,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1354396539, now seen corresponding path program 1 times [2022-11-25 17:14:27,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:14:27,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465783266] [2022-11-25 17:14:27,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:27,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:14:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:14:28,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:14:28,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465783266] [2022-11-25 17:14:28,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465783266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:28,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:28,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:14:28,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084264699] [2022-11-25 17:14:28,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:28,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:14:28,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:14:28,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:14:28,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:14:28,377 INFO L87 Difference]: Start difference. First operand 1608 states and 2200 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) [2022-11-25 17:14:37,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:37,299 INFO L93 Difference]: Finished difference Result 3931 states and 5516 transitions. [2022-11-25 17:14:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:14:37,300 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 [2022-11-25 17:14:37,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:37,304 INFO L225 Difference]: With dead ends: 3931 [2022-11-25 17:14:37,304 INFO L226 Difference]: Without dead ends: 3745 [2022-11-25 17:14:37,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:14:37,305 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 10587 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 3994 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10587 SdHoareTripleChecker+Valid, 4923 SdHoareTripleChecker+Invalid, 4378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 3994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:37,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10587 Valid, 4923 Invalid, 4378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 3994 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 17:14:37,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-11-25 17:14:38,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 1616. [2022-11-25 17:14:38,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.391304347826087) internal successors, (2208), 1615 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:14:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2208 transitions. [2022-11-25 17:14:38,147 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2208 transitions. Word has length 114 [2022-11-25 17:14:38,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:38,147 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2208 transitions. [2022-11-25 17:14:38,147 INFO L496 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) [2022-11-25 17:14:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2208 transitions. [2022-11-25 17:14:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:14:38,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:38,149 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:14:38,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-25 17:14:38,149 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:14:38,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:38,150 INFO L85 PathProgramCache]: Analyzing trace with hash -369561292, now seen corresponding path program 1 times [2022-11-25 17:14:38,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:14:38,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489852783] [2022-11-25 17:14:38,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:38,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:14:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:14:38,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:14:38,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489852783] [2022-11-25 17:14:38,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489852783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:38,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:38,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:14:38,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440326026] [2022-11-25 17:14:38,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:38,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:14:38,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:14:38,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:14:38,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:14:38,535 INFO L87 Difference]: Start difference. First operand 1616 states and 2208 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) [2022-11-25 17:14:44,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:44,135 INFO L93 Difference]: Finished difference Result 2905 states and 4026 transitions. [2022-11-25 17:14:44,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:14:44,135 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 [2022-11-25 17:14:44,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:44,138 INFO L225 Difference]: With dead ends: 2905 [2022-11-25 17:14:44,139 INFO L226 Difference]: Without dead ends: 2721 [2022-11-25 17:14:44,139 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:14:44,140 INFO L413 NwaCegarLoop]: 976 mSDtfsCounter, 7694 mSDsluCounter, 3162 mSDsCounter, 0 mSdLazyCounter, 3323 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7694 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 3330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:44,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7694 Valid, 4138 Invalid, 3330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3323 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:14:44,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-11-25 17:14:45,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1616. [2022-11-25 17:14:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.3900441083805923) internal successors, (2206), 1615 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:14:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2206 transitions. [2022-11-25 17:14:45,033 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2206 transitions. Word has length 114 [2022-11-25 17:14:45,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:45,033 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2206 transitions. [2022-11-25 17:14:45,033 INFO L496 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) [2022-11-25 17:14:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2206 transitions. [2022-11-25 17:14:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:14:45,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:45,036 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:14:45,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-25 17:14:45,036 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:14:45,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:45,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2138520516, now seen corresponding path program 1 times [2022-11-25 17:14:45,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:14:45,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212072138] [2022-11-25 17:14:45,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:45,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:14:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:14:45,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:14:45,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212072138] [2022-11-25 17:14:45,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212072138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:45,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:45,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:14:45,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99363012] [2022-11-25 17:14:45,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:45,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:14:45,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:14:45,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:14:45,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:14:45,482 INFO L87 Difference]: Start difference. First operand 1616 states and 2206 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) [2022-11-25 17:14:51,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:51,520 INFO L93 Difference]: Finished difference Result 2987 states and 4147 transitions. [2022-11-25 17:14:51,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:14:51,520 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 [2022-11-25 17:14:51,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:51,524 INFO L225 Difference]: With dead ends: 2987 [2022-11-25 17:14:51,524 INFO L226 Difference]: Without dead ends: 2761 [2022-11-25 17:14:51,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:14:51,526 INFO L413 NwaCegarLoop]: 1024 mSDtfsCounter, 6998 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 4156 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6998 SdHoareTripleChecker+Valid, 5416 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 4156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:51,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6998 Valid, 5416 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 4156 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 17:14:51,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2022-11-25 17:14:52,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 1616. [2022-11-25 17:14:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.3887838689350978) internal successors, (2204), 1615 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:14:52,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2204 transitions. [2022-11-25 17:14:52,473 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2204 transitions. Word has length 114 [2022-11-25 17:14:52,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:14:52,473 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2204 transitions. [2022-11-25 17:14:52,473 INFO L496 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) [2022-11-25 17:14:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2204 transitions. [2022-11-25 17:14:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:14:52,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:14:52,475 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:14:52,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-25 17:14:52,476 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:14:52,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:14:52,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1747601552, now seen corresponding path program 1 times [2022-11-25 17:14:52,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:14:52,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933392347] [2022-11-25 17:14:52,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:14:52,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:14:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:14:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:14:52,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:14:52,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933392347] [2022-11-25 17:14:52,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933392347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:14:52,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:14:52,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:14:52,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481597864] [2022-11-25 17:14:52,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:14:52,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:14:52,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:14:52,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:14:52,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:14:52,874 INFO L87 Difference]: Start difference. First operand 1616 states and 2204 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) [2022-11-25 17:14:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:14:59,091 INFO L93 Difference]: Finished difference Result 2913 states and 4031 transitions. [2022-11-25 17:14:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:14:59,092 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 [2022-11-25 17:14:59,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:14:59,095 INFO L225 Difference]: With dead ends: 2913 [2022-11-25 17:14:59,095 INFO L226 Difference]: Without dead ends: 2721 [2022-11-25 17:14:59,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:14:59,096 INFO L413 NwaCegarLoop]: 1002 mSDtfsCounter, 6712 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 4086 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6712 SdHoareTripleChecker+Valid, 5198 SdHoareTripleChecker+Invalid, 4093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:14:59,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6712 Valid, 5198 Invalid, 4093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4086 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 17:14:59,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-11-25 17:15:00,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1616. [2022-11-25 17:15:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.387523629489603) internal successors, (2202), 1615 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:15:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2202 transitions. [2022-11-25 17:15:00,022 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2202 transitions. Word has length 114 [2022-11-25 17:15:00,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:15:00,022 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2202 transitions. [2022-11-25 17:15:00,023 INFO L496 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) [2022-11-25 17:15:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2202 transitions. [2022-11-25 17:15:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:15:00,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:15:00,025 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:15:00,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-11-25 17:15:00,026 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:15:00,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:00,026 INFO L85 PathProgramCache]: Analyzing trace with hash -187578806, now seen corresponding path program 1 times [2022-11-25 17:15:00,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:00,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608481654] [2022-11-25 17:15:00,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:00,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:00,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:00,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:00,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608481654] [2022-11-25 17:15:00,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608481654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:00,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:00,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:15:00,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844450956] [2022-11-25 17:15:00,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:00,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:15:00,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:00,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:15:00,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:15:00,525 INFO L87 Difference]: Start difference. First operand 1616 states and 2202 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) [2022-11-25 17:15:12,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:15:12,377 INFO L93 Difference]: Finished difference Result 4595 states and 6448 transitions. [2022-11-25 17:15:12,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:15:12,377 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 [2022-11-25 17:15:12,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:15:12,382 INFO L225 Difference]: With dead ends: 4595 [2022-11-25 17:15:12,382 INFO L226 Difference]: Without dead ends: 4295 [2022-11-25 17:15:12,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:15:12,384 INFO L413 NwaCegarLoop]: 1461 mSDtfsCounter, 9712 mSDsluCounter, 5394 mSDsCounter, 0 mSdLazyCounter, 5328 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9712 SdHoareTripleChecker+Valid, 6855 SdHoareTripleChecker+Invalid, 5638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 5328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:15:12,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9712 Valid, 6855 Invalid, 5638 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [310 Valid, 5328 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 17:15:12,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4295 states. [2022-11-25 17:15:13,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4295 to 1624. [2022-11-25 17:15:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1595 states have (on average 1.3855799373040751) internal successors, (2210), 1623 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) [2022-11-25 17:15:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2210 transitions. [2022-11-25 17:15:13,441 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2210 transitions. Word has length 114 [2022-11-25 17:15:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:15:13,441 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2210 transitions. [2022-11-25 17:15:13,441 INFO L496 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) [2022-11-25 17:15:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2210 transitions. [2022-11-25 17:15:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:15:13,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:15:13,443 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:15:13,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-11-25 17:15:13,444 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:15:13,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:13,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1485736079, now seen corresponding path program 1 times [2022-11-25 17:15:13,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:13,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416717149] [2022-11-25 17:15:13,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:13,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:13,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416717149] [2022-11-25 17:15:13,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416717149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:13,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:13,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:15:13,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218537624] [2022-11-25 17:15:13,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:13,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:15:13,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:13,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:15:13,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:15:13,717 INFO L87 Difference]: Start difference. First operand 1624 states and 2210 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) [2022-11-25 17:15:19,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:15:19,723 INFO L93 Difference]: Finished difference Result 2915 states and 4030 transitions. [2022-11-25 17:15:19,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:15:19,724 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 [2022-11-25 17:15:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:15:19,727 INFO L225 Difference]: With dead ends: 2915 [2022-11-25 17:15:19,727 INFO L226 Difference]: Without dead ends: 2729 [2022-11-25 17:15:19,728 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:15:19,729 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 7272 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 3567 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7272 SdHoareTripleChecker+Valid, 4427 SdHoareTripleChecker+Invalid, 3573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:15:19,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7272 Valid, 4427 Invalid, 3573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3567 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:15:19,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2022-11-25 17:15:20,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 1624. [2022-11-25 17:15:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1595 states have (on average 1.3843260188087774) internal successors, (2208), 1623 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:15:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2208 transitions. [2022-11-25 17:15:20,746 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2208 transitions. Word has length 114 [2022-11-25 17:15:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:15:20,746 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2208 transitions. [2022-11-25 17:15:20,746 INFO L496 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) [2022-11-25 17:15:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2208 transitions. [2022-11-25 17:15:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:15:20,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:15:20,749 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:15:20,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-11-25 17:15:20,749 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:15:20,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:20,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2122503553, now seen corresponding path program 1 times [2022-11-25 17:15:20,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:20,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658320100] [2022-11-25 17:15:20,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:20,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:21,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:21,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658320100] [2022-11-25 17:15:21,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658320100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:21,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:21,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:15:21,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669492869] [2022-11-25 17:15:21,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:21,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:15:21,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:21,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:15:21,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:15:21,125 INFO L87 Difference]: Start difference. First operand 1624 states and 2208 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) [2022-11-25 17:15:27,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:15:27,158 INFO L93 Difference]: Finished difference Result 2921 states and 4035 transitions. [2022-11-25 17:15:27,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:15:27,159 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 [2022-11-25 17:15:27,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:15:27,162 INFO L225 Difference]: With dead ends: 2921 [2022-11-25 17:15:27,162 INFO L226 Difference]: Without dead ends: 2729 [2022-11-25 17:15:27,162 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:15:27,163 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 3735 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 3531 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 4421 SdHoareTripleChecker+Invalid, 3537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:15:27,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 4421 Invalid, 3537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3531 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:15:27,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2022-11-25 17:15:28,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 1624. [2022-11-25 17:15:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1595 states have (on average 1.3830721003134796) internal successors, (2206), 1623 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:15:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2206 transitions. [2022-11-25 17:15:28,160 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2206 transitions. Word has length 114 [2022-11-25 17:15:28,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:15:28,160 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2206 transitions. [2022-11-25 17:15:28,161 INFO L496 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) [2022-11-25 17:15:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2206 transitions. [2022-11-25 17:15:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:15:28,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:15:28,162 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:15:28,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-11-25 17:15:28,163 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:15:28,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:28,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1804361568, now seen corresponding path program 1 times [2022-11-25 17:15:28,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:28,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81698224] [2022-11-25 17:15:28,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:28,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:28,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:28,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81698224] [2022-11-25 17:15:28,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81698224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:28,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:28,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:15:28,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8796001] [2022-11-25 17:15:28,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:28,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:15:28,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:28,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:15:28,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:15:28,470 INFO L87 Difference]: Start difference. First operand 1624 states and 2206 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) [2022-11-25 17:15:34,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:15:34,539 INFO L93 Difference]: Finished difference Result 2921 states and 4031 transitions. [2022-11-25 17:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:15:34,540 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 [2022-11-25 17:15:34,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:15:34,542 INFO L225 Difference]: With dead ends: 2921 [2022-11-25 17:15:34,542 INFO L226 Difference]: Without dead ends: 2729 [2022-11-25 17:15:34,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:15:34,543 INFO L413 NwaCegarLoop]: 1002 mSDtfsCounter, 6700 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 4067 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6700 SdHoareTripleChecker+Valid, 5198 SdHoareTripleChecker+Invalid, 4074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:15:34,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6700 Valid, 5198 Invalid, 4074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4067 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 17:15:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2022-11-25 17:15:35,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 1624. [2022-11-25 17:15:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1595 states have (on average 1.3818181818181818) internal successors, (2204), 1623 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:15:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2204 transitions. [2022-11-25 17:15:35,529 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2204 transitions. Word has length 114 [2022-11-25 17:15:35,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:15:35,530 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2204 transitions. [2022-11-25 17:15:35,530 INFO L496 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) [2022-11-25 17:15:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2204 transitions. [2022-11-25 17:15:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:15:35,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:15:35,532 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:15:35,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-11-25 17:15:35,533 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:15:35,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:35,533 INFO L85 PathProgramCache]: Analyzing trace with hash -2081760500, now seen corresponding path program 1 times [2022-11-25 17:15:35,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:35,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528722902] [2022-11-25 17:15:35,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:35,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:35,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:35,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528722902] [2022-11-25 17:15:35,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528722902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:35,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:35,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:15:35,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136848449] [2022-11-25 17:15:35,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:35,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:15:35,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:35,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:15:35,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:15:35,884 INFO L87 Difference]: Start difference. First operand 1624 states and 2204 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) [2022-11-25 17:15:41,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:15:41,828 INFO L93 Difference]: Finished difference Result 2995 states and 4143 transitions. [2022-11-25 17:15:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:15:41,829 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 [2022-11-25 17:15:41,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:15:41,831 INFO L225 Difference]: With dead ends: 2995 [2022-11-25 17:15:41,831 INFO L226 Difference]: Without dead ends: 2769 [2022-11-25 17:15:41,832 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:15:41,832 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 5450 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 3677 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5450 SdHoareTripleChecker+Valid, 4700 SdHoareTripleChecker+Invalid, 3684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:15:41,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5450 Valid, 4700 Invalid, 3684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3677 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:15:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2022-11-25 17:15:42,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 1624. [2022-11-25 17:15:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1595 states have (on average 1.380564263322884) internal successors, (2202), 1623 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:15:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2202 transitions. [2022-11-25 17:15:42,843 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2202 transitions. Word has length 114 [2022-11-25 17:15:42,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:15:42,844 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2202 transitions. [2022-11-25 17:15:42,844 INFO L496 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) [2022-11-25 17:15:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2202 transitions. [2022-11-25 17:15:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:15:42,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:15:42,846 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:15:42,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-11-25 17:15:42,846 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:15:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:42,846 INFO L85 PathProgramCache]: Analyzing trace with hash 775997827, now seen corresponding path program 1 times [2022-11-25 17:15:42,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:42,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542052971] [2022-11-25 17:15:42,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:42,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:43,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:43,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:43,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542052971] [2022-11-25 17:15:43,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542052971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:43,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:43,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:15:43,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578123527] [2022-11-25 17:15:43,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:43,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:15:43,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:43,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:15:43,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:15:43,106 INFO L87 Difference]: Start difference. First operand 1624 states and 2202 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) [2022-11-25 17:15:49,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:15:49,054 INFO L93 Difference]: Finished difference Result 2973 states and 4106 transitions. [2022-11-25 17:15:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:15:49,055 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 [2022-11-25 17:15:49,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:15:49,058 INFO L225 Difference]: With dead ends: 2973 [2022-11-25 17:15:49,058 INFO L226 Difference]: Without dead ends: 2769 [2022-11-25 17:15:49,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:15:49,059 INFO L413 NwaCegarLoop]: 1166 mSDtfsCounter, 5589 mSDsluCounter, 3578 mSDsCounter, 0 mSdLazyCounter, 3684 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5589 SdHoareTripleChecker+Valid, 4744 SdHoareTripleChecker+Invalid, 3692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:15:49,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5589 Valid, 4744 Invalid, 3692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3684 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:15:49,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2022-11-25 17:15:50,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 1620. [2022-11-25 17:15:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1591 states have (on average 1.380892520427404) internal successors, (2197), 1619 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:15:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2197 transitions. [2022-11-25 17:15:50,127 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2197 transitions. Word has length 115 [2022-11-25 17:15:50,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:15:50,128 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 2197 transitions. [2022-11-25 17:15:50,128 INFO L496 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) [2022-11-25 17:15:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2197 transitions. [2022-11-25 17:15:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:15:50,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:15:50,130 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:15:50,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-11-25 17:15:50,130 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:15:50,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash 352654659, now seen corresponding path program 1 times [2022-11-25 17:15:50,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:50,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672138175] [2022-11-25 17:15:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:50,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:50,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672138175] [2022-11-25 17:15:50,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672138175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:50,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:50,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:15:50,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958324360] [2022-11-25 17:15:50,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:50,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:15:50,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:50,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:15:50,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:15:50,379 INFO L87 Difference]: Start difference. First operand 1620 states and 2197 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) [2022-11-25 17:15:56,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:15:56,476 INFO L93 Difference]: Finished difference Result 2907 states and 4008 transitions. [2022-11-25 17:15:56,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:15:56,476 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 [2022-11-25 17:15:56,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:15:56,479 INFO L225 Difference]: With dead ends: 2907 [2022-11-25 17:15:56,479 INFO L226 Difference]: Without dead ends: 2725 [2022-11-25 17:15:56,480 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:15:56,480 INFO L413 NwaCegarLoop]: 1132 mSDtfsCounter, 5398 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 3667 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5398 SdHoareTripleChecker+Valid, 4661 SdHoareTripleChecker+Invalid, 3674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:15:56,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5398 Valid, 4661 Invalid, 3674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3667 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:15:56,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2725 states. [2022-11-25 17:15:57,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2725 to 1616. [2022-11-25 17:15:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.3812224322621298) internal successors, (2192), 1615 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) [2022-11-25 17:15:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2192 transitions. [2022-11-25 17:15:57,463 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2192 transitions. Word has length 115 [2022-11-25 17:15:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:15:57,463 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2192 transitions. [2022-11-25 17:15:57,464 INFO L496 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) [2022-11-25 17:15:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2192 transitions. [2022-11-25 17:15:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:15:57,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:15:57,466 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:15:57,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-11-25 17:15:57,466 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:15:57,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:57,466 INFO L85 PathProgramCache]: Analyzing trace with hash 116631318, now seen corresponding path program 1 times [2022-11-25 17:15:57,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:57,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817997396] [2022-11-25 17:15:57,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:57,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:57,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:57,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817997396] [2022-11-25 17:15:57,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817997396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:57,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:57,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:15:57,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424054882] [2022-11-25 17:15:57,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:57,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:15:57,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:57,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:15:57,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:15:57,720 INFO L87 Difference]: Start difference. First operand 1616 states and 2192 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) [2022-11-25 17:16:03,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:03,717 INFO L93 Difference]: Finished difference Result 2960 states and 4091 transitions. [2022-11-25 17:16:03,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:16:03,717 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 [2022-11-25 17:16:03,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:03,720 INFO L225 Difference]: With dead ends: 2960 [2022-11-25 17:16:03,720 INFO L226 Difference]: Without dead ends: 2765 [2022-11-25 17:16:03,721 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:16:03,722 INFO L413 NwaCegarLoop]: 1185 mSDtfsCounter, 3523 mSDsluCounter, 3715 mSDsCounter, 0 mSdLazyCounter, 3793 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3523 SdHoareTripleChecker+Valid, 4900 SdHoareTripleChecker+Invalid, 3799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:03,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3523 Valid, 4900 Invalid, 3799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3793 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:16:03,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-11-25 17:16:04,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1612. [2022-11-25 17:16:04,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1583 states have (on average 1.381554011370815) internal successors, (2187), 1611 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:16:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2187 transitions. [2022-11-25 17:16:04,714 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2187 transitions. Word has length 115 [2022-11-25 17:16:04,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:04,714 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2187 transitions. [2022-11-25 17:16:04,715 INFO L496 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) [2022-11-25 17:16:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2187 transitions. [2022-11-25 17:16:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:16:04,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:04,717 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:16:04,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-11-25 17:16:04,717 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:16:04,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:04,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1189569746, now seen corresponding path program 1 times [2022-11-25 17:16:04,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:04,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181884488] [2022-11-25 17:16:04,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:04,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:04,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:04,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181884488] [2022-11-25 17:16:04,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181884488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:04,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:04,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:16:04,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387770256] [2022-11-25 17:16:04,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:04,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:16:04,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:04,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:16:04,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:16:04,959 INFO L87 Difference]: Start difference. First operand 1612 states and 2187 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) [2022-11-25 17:16:10,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:10,887 INFO L93 Difference]: Finished difference Result 2899 states and 3998 transitions. [2022-11-25 17:16:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:16:10,887 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 [2022-11-25 17:16:10,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:10,890 INFO L225 Difference]: With dead ends: 2899 [2022-11-25 17:16:10,890 INFO L226 Difference]: Without dead ends: 2721 [2022-11-25 17:16:10,891 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:16:10,891 INFO L413 NwaCegarLoop]: 1157 mSDtfsCounter, 5996 mSDsluCounter, 3614 mSDsCounter, 0 mSdLazyCounter, 3739 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5996 SdHoareTripleChecker+Valid, 4771 SdHoareTripleChecker+Invalid, 3746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:10,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5996 Valid, 4771 Invalid, 3746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3739 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:16:10,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-11-25 17:16:11,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1608. [2022-11-25 17:16:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3818872704243192) internal successors, (2182), 1607 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) [2022-11-25 17:16:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2182 transitions. [2022-11-25 17:16:11,836 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2182 transitions. Word has length 115 [2022-11-25 17:16:11,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:11,836 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2182 transitions. [2022-11-25 17:16:11,836 INFO L496 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) [2022-11-25 17:16:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2182 transitions. [2022-11-25 17:16:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:16:11,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:11,838 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:16:11,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-11-25 17:16:11,838 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:16:11,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:11,839 INFO L85 PathProgramCache]: Analyzing trace with hash 999093736, now seen corresponding path program 1 times [2022-11-25 17:16:11,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:11,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657098531] [2022-11-25 17:16:11,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:11,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:12,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:12,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657098531] [2022-11-25 17:16:12,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657098531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:12,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:12,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:16:12,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500271218] [2022-11-25 17:16:12,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:12,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:16:12,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:12,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:16:12,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:16:12,149 INFO L87 Difference]: Start difference. First operand 1608 states and 2182 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) [2022-11-25 17:16:18,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:18,072 INFO L93 Difference]: Finished difference Result 2956 states and 4084 transitions. [2022-11-25 17:16:18,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:16:18,073 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 [2022-11-25 17:16:18,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:18,075 INFO L225 Difference]: With dead ends: 2956 [2022-11-25 17:16:18,075 INFO L226 Difference]: Without dead ends: 2761 [2022-11-25 17:16:18,076 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:16:18,076 INFO L413 NwaCegarLoop]: 1202 mSDtfsCounter, 5230 mSDsluCounter, 3760 mSDsCounter, 0 mSdLazyCounter, 3841 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5230 SdHoareTripleChecker+Valid, 4962 SdHoareTripleChecker+Invalid, 3848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:18,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5230 Valid, 4962 Invalid, 3848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3841 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:16:18,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2022-11-25 17:16:19,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 1604. [2022-11-25 17:16:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1575 states have (on average 1.3822222222222222) internal successors, (2177), 1603 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:16:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2177 transitions. [2022-11-25 17:16:19,049 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2177 transitions. Word has length 115 [2022-11-25 17:16:19,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:19,049 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2177 transitions. [2022-11-25 17:16:19,049 INFO L496 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) [2022-11-25 17:16:19,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2177 transitions. [2022-11-25 17:16:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:16:19,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:19,051 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:16:19,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-11-25 17:16:19,052 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:16:19,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:19,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2072032164, now seen corresponding path program 1 times [2022-11-25 17:16:19,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:19,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102740666] [2022-11-25 17:16:19,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:19,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:19,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:19,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102740666] [2022-11-25 17:16:19,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102740666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:19,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:19,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:16:19,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102873087] [2022-11-25 17:16:19,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:19,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:16:19,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:19,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:16:19,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:16:19,351 INFO L87 Difference]: Start difference. First operand 1604 states and 2177 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) [2022-11-25 17:16:25,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:25,084 INFO L93 Difference]: Finished difference Result 2895 states and 3992 transitions. [2022-11-25 17:16:25,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:16:25,085 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 [2022-11-25 17:16:25,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:25,088 INFO L225 Difference]: With dead ends: 2895 [2022-11-25 17:16:25,088 INFO L226 Difference]: Without dead ends: 2717 [2022-11-25 17:16:25,089 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:16:25,089 INFO L413 NwaCegarLoop]: 1179 mSDtfsCounter, 3532 mSDsluCounter, 3670 mSDsCounter, 0 mSdLazyCounter, 3813 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3532 SdHoareTripleChecker+Valid, 4849 SdHoareTripleChecker+Invalid, 3819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:25,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3532 Valid, 4849 Invalid, 3819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3813 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:16:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2022-11-25 17:16:26,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 1600. [2022-11-25 17:16:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1571 states have (on average 1.3825588796944621) internal successors, (2172), 1599 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) [2022-11-25 17:16:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2172 transitions. [2022-11-25 17:16:26,063 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2172 transitions. Word has length 115 [2022-11-25 17:16:26,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:26,063 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 2172 transitions. [2022-11-25 17:16:26,063 INFO L496 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) [2022-11-25 17:16:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2172 transitions. [2022-11-25 17:16:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:16:26,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:26,065 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:16:26,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-11-25 17:16:26,065 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:16:26,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:26,066 INFO L85 PathProgramCache]: Analyzing trace with hash 662023771, now seen corresponding path program 1 times [2022-11-25 17:16:26,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:26,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563764038] [2022-11-25 17:16:26,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:26,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:26,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:26,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563764038] [2022-11-25 17:16:26,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563764038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:26,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:26,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:16:26,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509554728] [2022-11-25 17:16:26,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:26,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:16:26,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:26,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:16:26,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:16:26,371 INFO L87 Difference]: Start difference. First operand 1600 states and 2172 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) [2022-11-25 17:16:32,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:32,172 INFO L93 Difference]: Finished difference Result 2893 states and 3989 transitions. [2022-11-25 17:16:32,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:16:32,173 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 [2022-11-25 17:16:32,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:32,175 INFO L225 Difference]: With dead ends: 2893 [2022-11-25 17:16:32,175 INFO L226 Difference]: Without dead ends: 2717 [2022-11-25 17:16:32,176 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:16:32,176 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 7004 mSDsluCounter, 3549 mSDsCounter, 0 mSdLazyCounter, 3628 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7004 SdHoareTripleChecker+Valid, 4649 SdHoareTripleChecker+Invalid, 3635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:32,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7004 Valid, 4649 Invalid, 3635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3628 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 17:16:32,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2022-11-25 17:16:33,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 1600. [2022-11-25 17:16:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1571 states have (on average 1.3819223424570337) internal successors, (2171), 1599 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) [2022-11-25 17:16:33,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2171 transitions. [2022-11-25 17:16:33,183 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2171 transitions. Word has length 115 [2022-11-25 17:16:33,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:33,183 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 2171 transitions. [2022-11-25 17:16:33,183 INFO L496 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) [2022-11-25 17:16:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2171 transitions. [2022-11-25 17:16:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:16:33,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:33,185 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:16:33,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-11-25 17:16:33,185 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:16:33,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:33,185 INFO L85 PathProgramCache]: Analyzing trace with hash 119076324, now seen corresponding path program 1 times [2022-11-25 17:16:33,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:33,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570658052] [2022-11-25 17:16:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:33,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:33,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:33,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570658052] [2022-11-25 17:16:33,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570658052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:33,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:33,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:16:33,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421019581] [2022-11-25 17:16:33,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:33,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:16:33,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:33,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:16:33,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:16:33,466 INFO L87 Difference]: Start difference. First operand 1600 states and 2171 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) [2022-11-25 17:16:39,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:39,444 INFO L93 Difference]: Finished difference Result 2971 states and 4101 transitions. [2022-11-25 17:16:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:16:39,445 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 [2022-11-25 17:16:39,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:39,447 INFO L225 Difference]: With dead ends: 2971 [2022-11-25 17:16:39,447 INFO L226 Difference]: Without dead ends: 2757 [2022-11-25 17:16:39,448 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:16:39,448 INFO L413 NwaCegarLoop]: 1226 mSDtfsCounter, 4200 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 3886 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4200 SdHoareTripleChecker+Valid, 5052 SdHoareTripleChecker+Invalid, 3892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:39,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4200 Valid, 5052 Invalid, 3892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3886 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:16:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-11-25 17:16:40,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1592. [2022-11-25 17:16:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.382597568777991) internal successors, (2161), 1591 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:16:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2161 transitions. [2022-11-25 17:16:40,410 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2161 transitions. Word has length 115 [2022-11-25 17:16:40,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:40,410 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2161 transitions. [2022-11-25 17:16:40,410 INFO L496 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) [2022-11-25 17:16:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2161 transitions. [2022-11-25 17:16:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:16:40,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:40,412 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:16:40,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-11-25 17:16:40,413 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:16:40,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:40,413 INFO L85 PathProgramCache]: Analyzing trace with hash -539398471, now seen corresponding path program 1 times [2022-11-25 17:16:40,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:40,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893091541] [2022-11-25 17:16:40,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:40,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:40,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:40,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893091541] [2022-11-25 17:16:40,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893091541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:40,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:40,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:16:40,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181352265] [2022-11-25 17:16:40,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:40,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:16:40,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:40,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:16:40,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:16:40,684 INFO L87 Difference]: Start difference. First operand 1592 states and 2161 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) [2022-11-25 17:16:47,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:47,128 INFO L93 Difference]: Finished difference Result 2971 states and 4102 transitions. [2022-11-25 17:16:47,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:16:47,128 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 [2022-11-25 17:16:47,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:47,131 INFO L225 Difference]: With dead ends: 2971 [2022-11-25 17:16:47,131 INFO L226 Difference]: Without dead ends: 2757 [2022-11-25 17:16:47,132 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:16:47,132 INFO L413 NwaCegarLoop]: 1243 mSDtfsCounter, 3406 mSDsluCounter, 3895 mSDsCounter, 0 mSdLazyCounter, 3949 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3406 SdHoareTripleChecker+Valid, 5138 SdHoareTripleChecker+Invalid, 3955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:47,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3406 Valid, 5138 Invalid, 3955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3949 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:16:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-11-25 17:16:48,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1584. [2022-11-25 17:16:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1555 states have (on average 1.3832797427652732) internal successors, (2151), 1583 states have internal predecessors, (2151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:16:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2151 transitions. [2022-11-25 17:16:48,138 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2151 transitions. Word has length 115 [2022-11-25 17:16:48,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:48,138 INFO L495 AbstractCegarLoop]: Abstraction has 1584 states and 2151 transitions. [2022-11-25 17:16:48,138 INFO L496 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) [2022-11-25 17:16:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2151 transitions. [2022-11-25 17:16:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:16:48,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:48,140 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:16:48,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-11-25 17:16:48,140 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:16:48,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:48,141 INFO L85 PathProgramCache]: Analyzing trace with hash 533539957, now seen corresponding path program 1 times [2022-11-25 17:16:48,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:48,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796489427] [2022-11-25 17:16:48,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:48,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:48,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:48,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796489427] [2022-11-25 17:16:48,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796489427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:48,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:48,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:16:48,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140681635] [2022-11-25 17:16:48,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:48,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:16:48,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:16:48,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:16:48,383 INFO L87 Difference]: Start difference. First operand 1584 states and 2151 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) [2022-11-25 17:16:54,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:54,705 INFO L93 Difference]: Finished difference Result 2887 states and 3981 transitions. [2022-11-25 17:16:54,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:16:54,706 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 [2022-11-25 17:16:54,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:54,709 INFO L225 Difference]: With dead ends: 2887 [2022-11-25 17:16:54,709 INFO L226 Difference]: Without dead ends: 2701 [2022-11-25 17:16:54,710 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:16:54,710 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 6556 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 3945 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6556 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 3952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:54,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6556 Valid, 5045 Invalid, 3952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3945 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:16:54,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2022-11-25 17:16:55,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1576. [2022-11-25 17:16:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.3839689722042663) internal successors, (2141), 1575 states have internal predecessors, (2141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:16:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2141 transitions. [2022-11-25 17:16:55,934 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2141 transitions. Word has length 115 [2022-11-25 17:16:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:55,935 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2141 transitions. [2022-11-25 17:16:55,935 INFO L496 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) [2022-11-25 17:16:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2141 transitions. [2022-11-25 17:16:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:16:55,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:55,936 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:16:55,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-11-25 17:16:55,937 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:16:55,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:55,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2055298201, now seen corresponding path program 1 times [2022-11-25 17:16:55,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:55,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609693147] [2022-11-25 17:16:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:56,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:56,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609693147] [2022-11-25 17:16:56,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609693147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:56,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:56,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:16:56,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029432048] [2022-11-25 17:16:56,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:56,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:16:56,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:56,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:16:56,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:16:56,176 INFO L87 Difference]: Start difference. First operand 1576 states and 2141 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) [2022-11-25 17:17:02,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:17:02,443 INFO L93 Difference]: Finished difference Result 3065 states and 4231 transitions. [2022-11-25 17:17:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:17:02,443 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 [2022-11-25 17:17:02,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:17:02,446 INFO L225 Difference]: With dead ends: 3065 [2022-11-25 17:17:02,446 INFO L226 Difference]: Without dead ends: 2765 [2022-11-25 17:17:02,447 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:17:02,447 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 3273 mSDsluCounter, 4172 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3273 SdHoareTripleChecker+Valid, 5551 SdHoareTripleChecker+Invalid, 4255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:17:02,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3273 Valid, 5551 Invalid, 4255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:17:02,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-11-25 17:17:03,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-11-25 17:17:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3846653671215075) internal successors, (2131), 1567 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) [2022-11-25 17:17:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2131 transitions. [2022-11-25 17:17:03,612 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2131 transitions. Word has length 115 [2022-11-25 17:17:03,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:17:03,613 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2131 transitions. [2022-11-25 17:17:03,613 INFO L496 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) [2022-11-25 17:17:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2131 transitions. [2022-11-25 17:17:03,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:17:03,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:17:03,615 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:17:03,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-11-25 17:17:03,616 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:17:03,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:17:03,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1530428595, now seen corresponding path program 1 times [2022-11-25 17:17:03,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:17:03,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820844918] [2022-11-25 17:17:03,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:17:03,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:17:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:17:03,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:17:03,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820844918] [2022-11-25 17:17:03,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820844918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:03,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:03,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:17:03,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113289276] [2022-11-25 17:17:03,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:03,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:17:03,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:17:03,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:17:03,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:17:03,911 INFO L87 Difference]: Start difference. First operand 1568 states and 2131 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:09,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:17:09,921 INFO L93 Difference]: Finished difference Result 2780 states and 3809 transitions. [2022-11-25 17:17:09,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:17:09,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:17:09,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:17:09,924 INFO L225 Difference]: With dead ends: 2780 [2022-11-25 17:17:09,924 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:17:09,924 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:17:09,925 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 7237 mSDsluCounter, 3125 mSDsCounter, 0 mSdLazyCounter, 3441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7237 SdHoareTripleChecker+Valid, 4132 SdHoareTripleChecker+Invalid, 3448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:17:09,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7237 Valid, 4132 Invalid, 3448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3441 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:17:09,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:17:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1568. [2022-11-25 17:17:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3840155945419104) internal successors, (2130), 1567 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) [2022-11-25 17:17:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2130 transitions. [2022-11-25 17:17:11,001 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2130 transitions. Word has length 116 [2022-11-25 17:17:11,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:17:11,001 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2130 transitions. [2022-11-25 17:17:11,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2130 transitions. [2022-11-25 17:17:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:17:11,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:17:11,004 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:17:11,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-11-25 17:17:11,004 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:17:11,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:17:11,005 INFO L85 PathProgramCache]: Analyzing trace with hash -852341599, now seen corresponding path program 1 times [2022-11-25 17:17:11,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:17:11,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895332608] [2022-11-25 17:17:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:17:11,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:17:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:17:11,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:17:11,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895332608] [2022-11-25 17:17:11,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895332608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:11,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:11,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:17:11,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784702044] [2022-11-25 17:17:11,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:11,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:17:11,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:17:11,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:17:11,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:17:11,283 INFO L87 Difference]: Start difference. First operand 1568 states and 2130 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:17,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:17:17,692 INFO L93 Difference]: Finished difference Result 2880 states and 3964 transitions. [2022-11-25 17:17:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:17:17,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:17:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:17:17,695 INFO L225 Difference]: With dead ends: 2880 [2022-11-25 17:17:17,695 INFO L226 Difference]: Without dead ends: 2693 [2022-11-25 17:17:17,696 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:17:17,697 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3428 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 3926 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3428 SdHoareTripleChecker+Valid, 5023 SdHoareTripleChecker+Invalid, 3932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:17:17,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3428 Valid, 5023 Invalid, 3932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3926 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:17:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-11-25 17:17:18,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 1568. [2022-11-25 17:17:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3833658219623133) internal successors, (2129), 1567 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) [2022-11-25 17:17:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2129 transitions. [2022-11-25 17:17:18,741 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2129 transitions. Word has length 116 [2022-11-25 17:17:18,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:17:18,741 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2129 transitions. [2022-11-25 17:17:18,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2129 transitions. [2022-11-25 17:17:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:17:18,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:17:18,743 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:17:18,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-11-25 17:17:18,744 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:17:18,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:17:18,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2039613955, now seen corresponding path program 1 times [2022-11-25 17:17:18,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:17:18,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428788738] [2022-11-25 17:17:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:17:18,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:17:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:17:19,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:17:19,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428788738] [2022-11-25 17:17:19,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428788738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:19,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:19,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:17:19,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589925845] [2022-11-25 17:17:19,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:19,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:17:19,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:17:19,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:17:19,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:17:19,009 INFO L87 Difference]: Start difference. First operand 1568 states and 2129 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:17:25,333 INFO L93 Difference]: Finished difference Result 2777 states and 3804 transitions. [2022-11-25 17:17:25,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:17:25,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:17:25,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:17:25,336 INFO L225 Difference]: With dead ends: 2777 [2022-11-25 17:17:25,336 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:17:25,337 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:17:25,337 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 6863 mSDsluCounter, 3307 mSDsCounter, 0 mSdLazyCounter, 3654 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6863 SdHoareTripleChecker+Valid, 4373 SdHoareTripleChecker+Invalid, 3660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:17:25,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6863 Valid, 4373 Invalid, 3660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3654 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:17:25,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:17:26,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1568. [2022-11-25 17:17:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.382716049382716) internal successors, (2128), 1567 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) [2022-11-25 17:17:26,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2128 transitions. [2022-11-25 17:17:26,420 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2128 transitions. Word has length 116 [2022-11-25 17:17:26,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:17:26,420 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2128 transitions. [2022-11-25 17:17:26,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2128 transitions. [2022-11-25 17:17:26,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:17:26,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:17:26,422 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:17:26,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-11-25 17:17:26,422 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:17:26,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:17:26,423 INFO L85 PathProgramCache]: Analyzing trace with hash 775292020, now seen corresponding path program 1 times [2022-11-25 17:17:26,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:17:26,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667369432] [2022-11-25 17:17:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:17:26,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:17:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:17:26,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:17:26,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667369432] [2022-11-25 17:17:26,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667369432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:26,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:26,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:17:26,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28579198] [2022-11-25 17:17:26,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:26,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:17:26,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:17:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:17:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:17:26,663 INFO L87 Difference]: Start difference. First operand 1568 states and 2128 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:32,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:17:32,966 INFO L93 Difference]: Finished difference Result 2780 states and 3806 transitions. [2022-11-25 17:17:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:17:32,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:17:32,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:17:32,970 INFO L225 Difference]: With dead ends: 2780 [2022-11-25 17:17:32,971 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:17:32,972 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:17:32,972 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 5321 mSDsluCounter, 3288 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5321 SdHoareTripleChecker+Valid, 4377 SdHoareTripleChecker+Invalid, 3631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:17:32,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5321 Valid, 4377 Invalid, 3631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3625 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:17:32,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:17:34,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1568. [2022-11-25 17:17:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3820662768031189) internal successors, (2127), 1567 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) [2022-11-25 17:17:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2127 transitions. [2022-11-25 17:17:34,042 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2127 transitions. Word has length 116 [2022-11-25 17:17:34,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:17:34,042 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2127 transitions. [2022-11-25 17:17:34,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2127 transitions. [2022-11-25 17:17:34,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:17:34,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:17:34,044 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:17:34,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-11-25 17:17:34,044 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:17:34,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:17:34,045 INFO L85 PathProgramCache]: Analyzing trace with hash -696594836, now seen corresponding path program 1 times [2022-11-25 17:17:34,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:17:34,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804915020] [2022-11-25 17:17:34,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:17:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:17:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:17:34,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:17:34,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804915020] [2022-11-25 17:17:34,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804915020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:34,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:34,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:17:34,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952671284] [2022-11-25 17:17:34,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:34,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:17:34,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:17:34,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:17:34,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:17:34,332 INFO L87 Difference]: Start difference. First operand 1568 states and 2127 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:40,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:17:40,833 INFO L93 Difference]: Finished difference Result 2777 states and 3801 transitions. [2022-11-25 17:17:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:17:40,834 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:17:40,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:17:40,836 INFO L225 Difference]: With dead ends: 2777 [2022-11-25 17:17:40,836 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:17:40,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:17:40,837 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 5141 mSDsluCounter, 3774 mSDsCounter, 0 mSdLazyCounter, 3930 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5141 SdHoareTripleChecker+Valid, 4849 SdHoareTripleChecker+Invalid, 3935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:17:40,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5141 Valid, 4849 Invalid, 3935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3930 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:17:40,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:17:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1568. [2022-11-25 17:17:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3814165042235218) internal successors, (2126), 1567 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:17:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2126 transitions. [2022-11-25 17:17:41,974 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2126 transitions. Word has length 116 [2022-11-25 17:17:41,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:17:41,974 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2126 transitions. [2022-11-25 17:17:41,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2126 transitions. [2022-11-25 17:17:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:17:41,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:17:41,976 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:17:41,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-11-25 17:17:41,977 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:17:41,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:17:41,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1960799597, now seen corresponding path program 1 times [2022-11-25 17:17:41,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:17:41,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908616779] [2022-11-25 17:17:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:17:41,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:17:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:17:42,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:17:42,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908616779] [2022-11-25 17:17:42,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908616779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:42,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:42,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:17:42,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650231969] [2022-11-25 17:17:42,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:42,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:17:42,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:17:42,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:17:42,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:17:42,227 INFO L87 Difference]: Start difference. First operand 1568 states and 2126 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:48,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:17:48,513 INFO L93 Difference]: Finished difference Result 2780 states and 3803 transitions. [2022-11-25 17:17:48,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:17:48,513 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:17:48,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:17:48,515 INFO L225 Difference]: With dead ends: 2780 [2022-11-25 17:17:48,515 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:17:48,516 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:17:48,516 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 3611 mSDsluCounter, 3442 mSDsCounter, 0 mSdLazyCounter, 3805 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3611 SdHoareTripleChecker+Valid, 4582 SdHoareTripleChecker+Invalid, 3810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:17:48,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3611 Valid, 4582 Invalid, 3810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3805 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:17:48,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:17:49,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1568. [2022-11-25 17:17:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3807667316439247) internal successors, (2125), 1567 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) [2022-11-25 17:17:49,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2125 transitions. [2022-11-25 17:17:49,559 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2125 transitions. Word has length 116 [2022-11-25 17:17:49,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:17:49,559 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2125 transitions. [2022-11-25 17:17:49,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2125 transitions. [2022-11-25 17:17:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:17:49,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:17:49,561 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:17:49,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-11-25 17:17:49,562 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:17:49,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:17:49,562 INFO L85 PathProgramCache]: Analyzing trace with hash -47900760, now seen corresponding path program 1 times [2022-11-25 17:17:49,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:17:49,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563198867] [2022-11-25 17:17:49,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:17:49,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:17:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:17:49,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:17:49,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563198867] [2022-11-25 17:17:49,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563198867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:49,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:49,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:17:49,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64470370] [2022-11-25 17:17:49,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:49,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:17:49,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:17:49,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:17:49,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:17:49,823 INFO L87 Difference]: Start difference. First operand 1568 states and 2125 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:56,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:17:56,503 INFO L93 Difference]: Finished difference Result 2777 states and 3798 transitions. [2022-11-25 17:17:56,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:17:56,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:17:56,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:17:56,506 INFO L225 Difference]: With dead ends: 2777 [2022-11-25 17:17:56,506 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:17:56,507 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:17:56,507 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 5098 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 3805 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5098 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 3810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:17:56,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5098 Valid, 4581 Invalid, 3810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3805 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:17:56,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:17:57,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1568. [2022-11-25 17:17:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.3801169590643274) internal successors, (2124), 1567 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) [2022-11-25 17:17:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2124 transitions. [2022-11-25 17:17:57,688 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2124 transitions. Word has length 116 [2022-11-25 17:17:57,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:17:57,688 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2124 transitions. [2022-11-25 17:17:57,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:17:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2124 transitions. [2022-11-25 17:17:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:17:57,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:17:57,691 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:17:57,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-11-25 17:17:57,691 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:17:57,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:17:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1460670815, now seen corresponding path program 1 times [2022-11-25 17:17:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:17:57,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111639039] [2022-11-25 17:17:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:17:57,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:17:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:17:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:17:58,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:17:58,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111639039] [2022-11-25 17:17:58,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111639039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:17:58,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:17:58,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:17:58,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236072379] [2022-11-25 17:17:58,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:17:58,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:17:58,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:17:58,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:17:58,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:17:58,132 INFO L87 Difference]: Start difference. First operand 1568 states and 2124 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:18:08,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:08,753 INFO L93 Difference]: Finished difference Result 3611 states and 5004 transitions. [2022-11-25 17:18:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:18:08,754 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:18:08,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:08,759 INFO L225 Difference]: With dead ends: 3611 [2022-11-25 17:18:08,759 INFO L226 Difference]: Without dead ends: 3439 [2022-11-25 17:18:08,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:18:08,761 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 11706 mSDsluCounter, 4638 mSDsCounter, 0 mSdLazyCounter, 4813 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11706 SdHoareTripleChecker+Valid, 5722 SdHoareTripleChecker+Invalid, 5155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 4813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:08,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11706 Valid, 5722 Invalid, 5155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 4813 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-25 17:18:08,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2022-11-25 17:18:09,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 1572. [2022-11-25 17:18:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3791315618924174) internal successors, (2128), 1571 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) [2022-11-25 17:18:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2128 transitions. [2022-11-25 17:18:09,907 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2128 transitions. Word has length 116 [2022-11-25 17:18:09,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:09,907 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2128 transitions. [2022-11-25 17:18:09,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:18:09,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2128 transitions. [2022-11-25 17:18:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:18:09,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:09,909 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:18:09,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-11-25 17:18:09,909 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:18:09,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:09,909 INFO L85 PathProgramCache]: Analyzing trace with hash 811976739, now seen corresponding path program 1 times [2022-11-25 17:18:09,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:09,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079917535] [2022-11-25 17:18:09,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:09,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:10,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:10,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079917535] [2022-11-25 17:18:10,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079917535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:10,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:10,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:18:10,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306012214] [2022-11-25 17:18:10,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:10,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:18:10,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:10,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:18:10,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:18:10,184 INFO L87 Difference]: Start difference. First operand 1572 states and 2128 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:18:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:16,789 INFO L93 Difference]: Finished difference Result 2777 states and 3795 transitions. [2022-11-25 17:18:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:18:16,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:18:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:16,792 INFO L225 Difference]: With dead ends: 2777 [2022-11-25 17:18:16,792 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:18:16,793 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:18:16,793 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 6837 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6837 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 3616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:16,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6837 Valid, 4385 Invalid, 3616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:18:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:18:17,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1572. [2022-11-25 17:18:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3784834737524303) internal successors, (2127), 1571 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) [2022-11-25 17:18:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2127 transitions. [2022-11-25 17:18:17,986 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2127 transitions. Word has length 116 [2022-11-25 17:18:17,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:17,986 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2127 transitions. [2022-11-25 17:18:17,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:18:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2127 transitions. [2022-11-25 17:18:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:18:17,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:17,989 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:18:17,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-11-25 17:18:17,989 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:18:17,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:17,989 INFO L85 PathProgramCache]: Analyzing trace with hash -452010555, now seen corresponding path program 1 times [2022-11-25 17:18:17,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:17,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314197614] [2022-11-25 17:18:17,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:17,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:18,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:18,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314197614] [2022-11-25 17:18:18,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314197614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:18,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:18,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:18:18,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878402117] [2022-11-25 17:18:18,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:18,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:18:18,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:18,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:18:18,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:18:18,468 INFO L87 Difference]: Start difference. First operand 1572 states and 2127 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:18:29,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:29,577 INFO L93 Difference]: Finished difference Result 3617 states and 5008 transitions. [2022-11-25 17:18:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:18:29,578 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:18:29,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:29,581 INFO L225 Difference]: With dead ends: 3617 [2022-11-25 17:18:29,581 INFO L226 Difference]: Without dead ends: 3442 [2022-11-25 17:18:29,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:18:29,583 INFO L413 NwaCegarLoop]: 1137 mSDtfsCounter, 9026 mSDsluCounter, 4442 mSDsCounter, 0 mSdLazyCounter, 4789 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9026 SdHoareTripleChecker+Valid, 5579 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 4789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:29,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9026 Valid, 5579 Invalid, 5128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 4789 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-25 17:18:29,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3442 states. [2022-11-25 17:18:30,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3442 to 1576. [2022-11-25 17:18:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.3775048480930834) internal successors, (2131), 1575 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) [2022-11-25 17:18:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2131 transitions. [2022-11-25 17:18:30,829 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2131 transitions. Word has length 116 [2022-11-25 17:18:30,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:30,829 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2131 transitions. [2022-11-25 17:18:30,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:18:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2131 transitions. [2022-11-25 17:18:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:18:30,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:30,831 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:18:30,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-11-25 17:18:30,832 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:18:30,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1332432067, now seen corresponding path program 1 times [2022-11-25 17:18:30,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:30,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906307538] [2022-11-25 17:18:30,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:30,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:31,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:31,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906307538] [2022-11-25 17:18:31,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906307538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:31,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:31,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:18:31,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758464746] [2022-11-25 17:18:31,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:31,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:18:31,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:31,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:18:31,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:18:31,288 INFO L87 Difference]: Start difference. First operand 1576 states and 2131 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:18:42,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:42,213 INFO L93 Difference]: Finished difference Result 3611 states and 5001 transitions. [2022-11-25 17:18:42,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:18:42,214 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:18:42,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:42,217 INFO L225 Difference]: With dead ends: 3611 [2022-11-25 17:18:42,217 INFO L226 Difference]: Without dead ends: 3439 [2022-11-25 17:18:42,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:18:42,218 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 11782 mSDsluCounter, 4198 mSDsCounter, 0 mSdLazyCounter, 4529 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11782 SdHoareTripleChecker+Valid, 5277 SdHoareTripleChecker+Invalid, 4877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 4529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:42,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11782 Valid, 5277 Invalid, 4877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 4529 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-25 17:18:42,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2022-11-25 17:18:43,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 1580. [2022-11-25 17:18:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1551 states have (on average 1.3765312701482915) internal successors, (2135), 1579 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) [2022-11-25 17:18:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2135 transitions. [2022-11-25 17:18:43,515 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2135 transitions. Word has length 116 [2022-11-25 17:18:43,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:43,515 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2135 transitions. [2022-11-25 17:18:43,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:18:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2135 transitions. [2022-11-25 17:18:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:18:43,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:43,517 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:18:43,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-11-25 17:18:43,517 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:18:43,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:43,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2118852475, now seen corresponding path program 1 times [2022-11-25 17:18:43,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:43,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927759142] [2022-11-25 17:18:43,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:43,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:43,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:43,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927759142] [2022-11-25 17:18:43,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927759142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:43,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:43,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:18:43,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237649008] [2022-11-25 17:18:43,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:43,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:18:43,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:43,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:18:43,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:18:43,818 INFO L87 Difference]: Start difference. First operand 1580 states and 2135 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:18:51,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:51,005 INFO L93 Difference]: Finished difference Result 2890 states and 3964 transitions. [2022-11-25 17:18:51,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:18:51,006 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:18:51,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:51,008 INFO L225 Difference]: With dead ends: 2890 [2022-11-25 17:18:51,008 INFO L226 Difference]: Without dead ends: 2713 [2022-11-25 17:18:51,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:18:51,009 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 6332 mSDsluCounter, 4662 mSDsCounter, 0 mSdLazyCounter, 4413 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6332 SdHoareTripleChecker+Valid, 5818 SdHoareTripleChecker+Invalid, 4420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:51,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6332 Valid, 5818 Invalid, 4420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4413 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 17:18:51,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2022-11-25 17:18:52,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1580. [2022-11-25 17:18:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1551 states have (on average 1.375886524822695) internal successors, (2134), 1579 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) [2022-11-25 17:18:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2134 transitions. [2022-11-25 17:18:52,572 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2134 transitions. Word has length 116 [2022-11-25 17:18:52,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:52,573 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2134 transitions. [2022-11-25 17:18:52,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:18:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2134 transitions. [2022-11-25 17:18:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:18:52,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:52,575 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:18:52,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-11-25 17:18:52,575 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:18:52,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:52,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1305543109, now seen corresponding path program 1 times [2022-11-25 17:18:52,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:52,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561255987] [2022-11-25 17:18:52,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:52,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:52,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:52,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561255987] [2022-11-25 17:18:52,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561255987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:52,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:52,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:18:52,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812308474] [2022-11-25 17:18:52,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:52,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:18:52,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:52,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:18:52,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:18:52,849 INFO L87 Difference]: Start difference. First operand 1580 states and 2134 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:18:59,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:59,903 INFO L93 Difference]: Finished difference Result 2775 states and 3789 transitions. [2022-11-25 17:18:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:18:59,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:18:59,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:59,907 INFO L225 Difference]: With dead ends: 2775 [2022-11-25 17:18:59,907 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:18:59,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:18:59,908 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 5123 mSDsluCounter, 4203 mSDsCounter, 0 mSdLazyCounter, 4200 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5123 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 4205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:59,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5123 Valid, 5278 Invalid, 4205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4200 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 17:18:59,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:19:01,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1580. [2022-11-25 17:19:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1551 states have (on average 1.3752417794970986) internal successors, (2133), 1579 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) [2022-11-25 17:19:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2133 transitions. [2022-11-25 17:19:01,181 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2133 transitions. Word has length 116 [2022-11-25 17:19:01,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:01,182 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2133 transitions. [2022-11-25 17:19:01,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:19:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2133 transitions. [2022-11-25 17:19:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:19:01,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:01,183 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:19:01,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-11-25 17:19:01,184 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:19:01,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:01,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1235431825, now seen corresponding path program 1 times [2022-11-25 17:19:01,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:01,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807071824] [2022-11-25 17:19:01,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:01,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:01,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:01,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:01,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807071824] [2022-11-25 17:19:01,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807071824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:01,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:01,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:19:01,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666179783] [2022-11-25 17:19:01,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:01,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:19:01,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:01,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:19:01,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:01,634 INFO L87 Difference]: Start difference. First operand 1580 states and 2133 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:19:12,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:12,877 INFO L93 Difference]: Finished difference Result 3611 states and 4998 transitions. [2022-11-25 17:19:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:19:12,877 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:19:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:12,880 INFO L225 Difference]: With dead ends: 3611 [2022-11-25 17:19:12,880 INFO L226 Difference]: Without dead ends: 3439 [2022-11-25 17:19:12,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:19:12,881 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 11687 mSDsluCounter, 4654 mSDsCounter, 0 mSdLazyCounter, 4774 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11687 SdHoareTripleChecker+Valid, 5740 SdHoareTripleChecker+Invalid, 5119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 4774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:12,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11687 Valid, 5740 Invalid, 5119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 4774 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-25 17:19:12,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2022-11-25 17:19:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 1584. [2022-11-25 17:19:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1555 states have (on average 1.3742765273311897) internal successors, (2137), 1583 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) [2022-11-25 17:19:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2137 transitions. [2022-11-25 17:19:14,180 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2137 transitions. Word has length 116 [2022-11-25 17:19:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:14,180 INFO L495 AbstractCegarLoop]: Abstraction has 1584 states and 2137 transitions. [2022-11-25 17:19:14,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:19:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2137 transitions. [2022-11-25 17:19:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:19:14,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:14,182 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:19:14,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-11-25 17:19:14,182 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:19:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:14,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1884125901, now seen corresponding path program 1 times [2022-11-25 17:19:14,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:14,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434706930] [2022-11-25 17:19:14,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:14,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:14,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:14,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434706930] [2022-11-25 17:19:14,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434706930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:14,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:14,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:19:14,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292691303] [2022-11-25 17:19:14,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:14,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:19:14,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:14,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:19:14,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:19:14,471 INFO L87 Difference]: Start difference. First operand 1584 states and 2137 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:19:21,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:21,450 INFO L93 Difference]: Finished difference Result 2777 states and 3789 transitions. [2022-11-25 17:19:21,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:19:21,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:19:21,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:21,454 INFO L225 Difference]: With dead ends: 2777 [2022-11-25 17:19:21,454 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:19:21,454 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:19:21,455 INFO L413 NwaCegarLoop]: 1070 mSDtfsCounter, 6820 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 3583 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6820 SdHoareTripleChecker+Valid, 4389 SdHoareTripleChecker+Invalid, 3589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:21,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6820 Valid, 4389 Invalid, 3589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3583 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:19:21,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:19:22,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1584. [2022-11-25 17:19:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1555 states have (on average 1.3736334405144695) internal successors, (2136), 1583 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) [2022-11-25 17:19:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2136 transitions. [2022-11-25 17:19:22,763 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2136 transitions. Word has length 116 [2022-11-25 17:19:22,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:22,763 INFO L495 AbstractCegarLoop]: Abstraction has 1584 states and 2136 transitions. [2022-11-25 17:19:22,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:19:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2136 transitions. [2022-11-25 17:19:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:19:22,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:22,765 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:19:22,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-11-25 17:19:22,766 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:19:22,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:22,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1147265203, now seen corresponding path program 1 times [2022-11-25 17:19:22,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:22,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979592849] [2022-11-25 17:19:22,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:23,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:23,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979592849] [2022-11-25 17:19:23,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979592849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:23,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:23,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:19:23,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891592173] [2022-11-25 17:19:23,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:23,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:19:23,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:23,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:19:23,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:19:23,033 INFO L87 Difference]: Start difference. First operand 1584 states and 2136 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:19:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:30,350 INFO L93 Difference]: Finished difference Result 2610 states and 3538 transitions. [2022-11-25 17:19:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:19:30,351 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:19:30,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:30,354 INFO L225 Difference]: With dead ends: 2610 [2022-11-25 17:19:30,354 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:19:30,354 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:19:30,355 INFO L413 NwaCegarLoop]: 1148 mSDtfsCounter, 4994 mSDsluCounter, 3895 mSDsCounter, 0 mSdLazyCounter, 4031 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4994 SdHoareTripleChecker+Valid, 5043 SdHoareTripleChecker+Invalid, 4036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:30,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4994 Valid, 5043 Invalid, 4036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4031 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 17:19:30,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:19:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1584. [2022-11-25 17:19:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1555 states have (on average 1.3729903536977492) internal successors, (2135), 1583 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) [2022-11-25 17:19:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2135 transitions. [2022-11-25 17:19:31,579 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2135 transitions. Word has length 116 [2022-11-25 17:19:31,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:31,579 INFO L495 AbstractCegarLoop]: Abstraction has 1584 states and 2135 transitions. [2022-11-25 17:19:31,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:19:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2135 transitions. [2022-11-25 17:19:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:19:31,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:31,581 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:19:31,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-11-25 17:19:31,581 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:19:31,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:31,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1363670573, now seen corresponding path program 1 times [2022-11-25 17:19:31,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:31,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799739957] [2022-11-25 17:19:31,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:31,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:32,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:32,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799739957] [2022-11-25 17:19:32,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799739957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:32,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:32,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:19:32,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32181736] [2022-11-25 17:19:32,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:32,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:19:32,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:32,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:19:32,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:32,018 INFO L87 Difference]: Start difference. First operand 1584 states and 2135 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:19:43,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:43,025 INFO L93 Difference]: Finished difference Result 3611 states and 4994 transitions. [2022-11-25 17:19:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:19:43,026 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:19:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:43,029 INFO L225 Difference]: With dead ends: 3611 [2022-11-25 17:19:43,030 INFO L226 Difference]: Without dead ends: 3439 [2022-11-25 17:19:43,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:19:43,031 INFO L413 NwaCegarLoop]: 1085 mSDtfsCounter, 9744 mSDsluCounter, 4651 mSDsCounter, 0 mSdLazyCounter, 4746 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9744 SdHoareTripleChecker+Valid, 5736 SdHoareTripleChecker+Invalid, 5093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 4746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:43,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9744 Valid, 5736 Invalid, 5093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 4746 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 17:19:43,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2022-11-25 17:19:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 1588. [2022-11-25 17:19:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.3720333547145607) internal successors, (2139), 1587 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:19:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2139 transitions. [2022-11-25 17:19:44,251 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2139 transitions. Word has length 116 [2022-11-25 17:19:44,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:44,251 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2139 transitions. [2022-11-25 17:19:44,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:19:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2139 transitions. [2022-11-25 17:19:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:19:44,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:44,253 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:19:44,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-11-25 17:19:44,253 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:19:44,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:44,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1810524402, now seen corresponding path program 1 times [2022-11-25 17:19:44,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:44,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400156637] [2022-11-25 17:19:44,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:44,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:44,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:44,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400156637] [2022-11-25 17:19:44,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400156637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:44,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:44,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:19:44,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86064728] [2022-11-25 17:19:44,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:44,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:19:44,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:44,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:19:44,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:19:44,536 INFO L87 Difference]: Start difference. First operand 1588 states and 2139 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:19:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:51,616 INFO L93 Difference]: Finished difference Result 2775 states and 3783 transitions. [2022-11-25 17:19:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:19:51,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:19:51,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:51,619 INFO L225 Difference]: With dead ends: 2775 [2022-11-25 17:19:51,619 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:19:51,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:19:51,620 INFO L413 NwaCegarLoop]: 1085 mSDtfsCounter, 5106 mSDsluCounter, 3804 mSDsCounter, 0 mSdLazyCounter, 3847 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5106 SdHoareTripleChecker+Valid, 4889 SdHoareTripleChecker+Invalid, 3852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:51,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5106 Valid, 4889 Invalid, 3852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3847 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:19:51,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:19:52,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1588. [2022-11-25 17:19:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.3713919178960872) internal successors, (2138), 1587 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) [2022-11-25 17:19:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2138 transitions. [2022-11-25 17:19:52,928 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2138 transitions. Word has length 116 [2022-11-25 17:19:52,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:52,928 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2138 transitions. [2022-11-25 17:19:52,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:19:52,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2138 transitions. [2022-11-25 17:19:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:19:52,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:52,931 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:19:52,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-11-25 17:19:52,931 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:19:52,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:52,931 INFO L85 PathProgramCache]: Analyzing trace with hash -156067103, now seen corresponding path program 1 times [2022-11-25 17:19:52,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:52,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231277628] [2022-11-25 17:19:52,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:53,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:53,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231277628] [2022-11-25 17:19:53,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231277628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:53,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:53,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:19:53,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246753] [2022-11-25 17:19:53,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:53,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:19:53,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:53,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:19:53,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:19:53,228 INFO L87 Difference]: Start difference. First operand 1588 states and 2138 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:00,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:00,784 INFO L93 Difference]: Finished difference Result 2775 states and 3782 transitions. [2022-11-25 17:20:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:20:00,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:20:00,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:00,787 INFO L225 Difference]: With dead ends: 2775 [2022-11-25 17:20:00,787 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:20:00,789 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:20:00,789 INFO L413 NwaCegarLoop]: 1145 mSDtfsCounter, 4988 mSDsluCounter, 3890 mSDsCounter, 0 mSdLazyCounter, 4019 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4988 SdHoareTripleChecker+Valid, 5035 SdHoareTripleChecker+Invalid, 4024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:00,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4988 Valid, 5035 Invalid, 4024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4019 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 17:20:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:20:02,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1588. [2022-11-25 17:20:02,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.3707504810776139) internal successors, (2137), 1587 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) [2022-11-25 17:20:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2137 transitions. [2022-11-25 17:20:02,191 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2137 transitions. Word has length 116 [2022-11-25 17:20:02,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:02,192 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2137 transitions. [2022-11-25 17:20:02,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2137 transitions. [2022-11-25 17:20:02,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:20:02,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:02,194 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:20:02,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-11-25 17:20:02,194 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:20:02,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash 379595975, now seen corresponding path program 1 times [2022-11-25 17:20:02,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:02,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934189310] [2022-11-25 17:20:02,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:02,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:20:02,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:02,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934189310] [2022-11-25 17:20:02,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934189310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:02,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:20:02,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:20:02,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407410790] [2022-11-25 17:20:02,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:02,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:20:02,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:20:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:20:02,661 INFO L87 Difference]: Start difference. First operand 1588 states and 2137 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:20:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:14,644 INFO L93 Difference]: Finished difference Result 3611 states and 4990 transitions. [2022-11-25 17:20:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:20:14,645 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:20:14,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:14,648 INFO L225 Difference]: With dead ends: 3611 [2022-11-25 17:20:14,648 INFO L226 Difference]: Without dead ends: 3439 [2022-11-25 17:20:14,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:20:14,649 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 9795 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 4469 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9795 SdHoareTripleChecker+Valid, 5299 SdHoareTripleChecker+Invalid, 4814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 4469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:14,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9795 Valid, 5299 Invalid, 4814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 4469 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-25 17:20:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2022-11-25 17:20:16,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 1592. [2022-11-25 17:20:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.3698016634676904) internal successors, (2141), 1591 states have internal predecessors, (2141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:20:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2141 transitions. [2022-11-25 17:20:16,067 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2141 transitions. Word has length 116 [2022-11-25 17:20:16,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:16,067 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2141 transitions. [2022-11-25 17:20:16,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:20:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2141 transitions. [2022-11-25 17:20:16,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:20:16,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:16,069 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:20:16,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-11-25 17:20:16,069 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:20:16,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:16,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1540870843, now seen corresponding path program 1 times [2022-11-25 17:20:16,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:16,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36523357] [2022-11-25 17:20:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:16,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:20:16,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:16,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36523357] [2022-11-25 17:20:16,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36523357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:16,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:20:16,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:20:16,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175083363] [2022-11-25 17:20:16,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:16,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:20:16,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:16,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:20:16,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:20:16,357 INFO L87 Difference]: Start difference. First operand 1592 states and 2141 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:23,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:23,883 INFO L93 Difference]: Finished difference Result 2775 states and 3779 transitions. [2022-11-25 17:20:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:20:23,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:20:23,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:23,887 INFO L225 Difference]: With dead ends: 2775 [2022-11-25 17:20:23,887 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:20:23,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:20:23,888 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 5102 mSDsluCounter, 4230 mSDsCounter, 0 mSdLazyCounter, 4133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5102 SdHoareTripleChecker+Valid, 5314 SdHoareTripleChecker+Invalid, 4138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:23,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5102 Valid, 5314 Invalid, 4138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4133 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 17:20:23,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:20:25,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1592. [2022-11-25 17:20:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.3691618682021753) internal successors, (2140), 1591 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) [2022-11-25 17:20:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2140 transitions. [2022-11-25 17:20:25,295 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2140 transitions. Word has length 116 [2022-11-25 17:20:25,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:25,295 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2140 transitions. [2022-11-25 17:20:25,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2140 transitions. [2022-11-25 17:20:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:20:25,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:25,297 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:20:25,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-11-25 17:20:25,298 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:20:25,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:25,298 INFO L85 PathProgramCache]: Analyzing trace with hash 113586456, now seen corresponding path program 1 times [2022-11-25 17:20:25,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:25,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307420123] [2022-11-25 17:20:25,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:25,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:20:25,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:25,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307420123] [2022-11-25 17:20:25,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307420123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:25,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:20:25,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:20:25,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772054154] [2022-11-25 17:20:25,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:25,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:20:25,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:25,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:20:25,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:20:25,588 INFO L87 Difference]: Start difference. First operand 1592 states and 2140 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:33,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:33,206 INFO L93 Difference]: Finished difference Result 2775 states and 3778 transitions. [2022-11-25 17:20:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:20:33,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:20:33,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:33,209 INFO L225 Difference]: With dead ends: 2775 [2022-11-25 17:20:33,209 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:20:33,210 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:20:33,210 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 4972 mSDsluCounter, 3923 mSDsCounter, 0 mSdLazyCounter, 3995 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4972 SdHoareTripleChecker+Valid, 5079 SdHoareTripleChecker+Invalid, 4000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:33,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4972 Valid, 5079 Invalid, 4000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3995 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 17:20:33,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:20:34,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1592. [2022-11-25 17:20:34,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.3685220729366603) internal successors, (2139), 1591 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:20:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2139 transitions. [2022-11-25 17:20:34,645 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2139 transitions. Word has length 116 [2022-11-25 17:20:34,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:34,646 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2139 transitions. [2022-11-25 17:20:34,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2139 transitions. [2022-11-25 17:20:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:20:34,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:34,648 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:20:34,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-11-25 17:20:34,648 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:20:34,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:34,648 INFO L85 PathProgramCache]: Analyzing trace with hash -798648475, now seen corresponding path program 1 times [2022-11-25 17:20:34,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:34,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493725004] [2022-11-25 17:20:34,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:34,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:20:34,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:34,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493725004] [2022-11-25 17:20:34,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493725004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:34,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:20:34,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:20:34,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013923202] [2022-11-25 17:20:34,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:34,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:20:34,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:34,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:20:34,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:20:34,924 INFO L87 Difference]: Start difference. First operand 1592 states and 2139 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:42,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:42,198 INFO L93 Difference]: Finished difference Result 2775 states and 3776 transitions. [2022-11-25 17:20:42,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:20:42,198 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:20:42,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:42,201 INFO L225 Difference]: With dead ends: 2775 [2022-11-25 17:20:42,202 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:20:42,202 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:20:42,203 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 6409 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 3495 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6409 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 3502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:42,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6409 Valid, 4385 Invalid, 3502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3495 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:20:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:20:43,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1592. [2022-11-25 17:20:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.3678822776711452) internal successors, (2138), 1591 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) [2022-11-25 17:20:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2138 transitions. [2022-11-25 17:20:43,691 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2138 transitions. Word has length 116 [2022-11-25 17:20:43,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:43,692 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2138 transitions. [2022-11-25 17:20:43,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2138 transitions. [2022-11-25 17:20:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:20:43,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:43,693 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:20:43,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-11-25 17:20:43,694 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:20:43,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:43,694 INFO L85 PathProgramCache]: Analyzing trace with hash 414565867, now seen corresponding path program 1 times [2022-11-25 17:20:43,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:43,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693982754] [2022-11-25 17:20:43,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:43,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:20:43,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:43,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693982754] [2022-11-25 17:20:43,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693982754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:43,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:20:43,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:20:43,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768993215] [2022-11-25 17:20:43,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:43,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:20:43,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:43,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:20:43,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:20:43,972 INFO L87 Difference]: Start difference. First operand 1592 states and 2138 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:51,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:51,494 INFO L93 Difference]: Finished difference Result 2779 states and 3778 transitions. [2022-11-25 17:20:51,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:20:51,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:20:51,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:51,497 INFO L225 Difference]: With dead ends: 2779 [2022-11-25 17:20:51,497 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:20:51,498 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:20:51,498 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 6801 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 3521 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6801 SdHoareTripleChecker+Valid, 4381 SdHoareTripleChecker+Invalid, 3527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:51,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6801 Valid, 4381 Invalid, 3527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3521 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:20:51,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:20:52,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1592. [2022-11-25 17:20:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.3666026871401151) internal successors, (2136), 1591 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) [2022-11-25 17:20:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2136 transitions. [2022-11-25 17:20:52,900 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2136 transitions. Word has length 116 [2022-11-25 17:20:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:52,901 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2136 transitions. [2022-11-25 17:20:52,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:20:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2136 transitions. [2022-11-25 17:20:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:20:52,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:52,902 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:20:52,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-11-25 17:20:52,903 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:20:52,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:52,903 INFO L85 PathProgramCache]: Analyzing trace with hash -850530608, now seen corresponding path program 1 times [2022-11-25 17:20:52,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:52,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422069979] [2022-11-25 17:20:52,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:20:53,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:53,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422069979] [2022-11-25 17:20:53,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422069979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:53,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:20:53,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:20:53,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919073663] [2022-11-25 17:20:53,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:53,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:20:53,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:53,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:20:53,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:20:53,465 INFO L87 Difference]: Start difference. First operand 1592 states and 2136 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:21:05,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:05,638 INFO L93 Difference]: Finished difference Result 3447 states and 4734 transitions. [2022-11-25 17:21:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:21:05,639 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:21:05,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:05,642 INFO L225 Difference]: With dead ends: 3447 [2022-11-25 17:21:05,642 INFO L226 Difference]: Without dead ends: 3442 [2022-11-25 17:21:05,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:21:05,644 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 8986 mSDsluCounter, 3780 mSDsCounter, 0 mSdLazyCounter, 3981 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8986 SdHoareTripleChecker+Valid, 4914 SdHoareTripleChecker+Invalid, 4312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 3981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:05,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8986 Valid, 4914 Invalid, 4312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 3981 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 17:21:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3442 states. [2022-11-25 17:21:07,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3442 to 1600. [2022-11-25 17:21:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1571 states have (on average 1.3647358370464673) internal successors, (2144), 1599 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) [2022-11-25 17:21:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2144 transitions. [2022-11-25 17:21:07,084 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2144 transitions. Word has length 116 [2022-11-25 17:21:07,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:07,084 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 2144 transitions. [2022-11-25 17:21:07,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:21:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2144 transitions. [2022-11-25 17:21:07,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:21:07,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:07,086 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:21:07,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-11-25 17:21:07,086 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:21:07,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:07,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1063259943, now seen corresponding path program 1 times [2022-11-25 17:21:07,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:07,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199825608] [2022-11-25 17:21:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:07,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:07,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:07,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199825608] [2022-11-25 17:21:07,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199825608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:07,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:07,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:21:07,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980233500] [2022-11-25 17:21:07,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:07,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:21:07,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:07,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:21:07,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:21:07,468 INFO L87 Difference]: Start difference. First operand 1600 states and 2144 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:21:18,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:18,665 INFO L93 Difference]: Finished difference Result 3615 states and 4984 transitions. [2022-11-25 17:21:18,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:21:18,666 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:21:18,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:18,668 INFO L225 Difference]: With dead ends: 3615 [2022-11-25 17:21:18,669 INFO L226 Difference]: Without dead ends: 3441 [2022-11-25 17:21:18,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:21:18,670 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 9750 mSDsluCounter, 4636 mSDsCounter, 0 mSdLazyCounter, 4670 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9750 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 5008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 4670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:18,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9750 Valid, 5716 Invalid, 5008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 4670 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-25 17:21:18,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2022-11-25 17:21:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 1608. [2022-11-25 17:21:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.362887903736542) internal successors, (2152), 1607 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) [2022-11-25 17:21:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2152 transitions. [2022-11-25 17:21:20,061 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2152 transitions. Word has length 116 [2022-11-25 17:21:20,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:20,061 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2152 transitions. [2022-11-25 17:21:20,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:21:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2152 transitions. [2022-11-25 17:21:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:21:20,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:20,063 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:21:20,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-11-25 17:21:20,063 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:21:20,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:20,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1650345474, now seen corresponding path program 1 times [2022-11-25 17:21:20,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:20,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925921072] [2022-11-25 17:21:20,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:20,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:20,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:20,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:20,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925921072] [2022-11-25 17:21:20,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925921072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:20,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:20,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:21:20,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122733462] [2022-11-25 17:21:20,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:20,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:21:20,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:20,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:21:20,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:21:20,309 INFO L87 Difference]: Start difference. First operand 1608 states and 2152 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:21:27,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:27,341 INFO L93 Difference]: Finished difference Result 2775 states and 3768 transitions. [2022-11-25 17:21:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:21:27,341 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:21:27,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:27,344 INFO L225 Difference]: With dead ends: 2775 [2022-11-25 17:21:27,344 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:21:27,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:21:27,344 INFO L413 NwaCegarLoop]: 1013 mSDtfsCounter, 5214 mSDsluCounter, 4016 mSDsCounter, 0 mSdLazyCounter, 3902 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5214 SdHoareTripleChecker+Valid, 5029 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:27,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5214 Valid, 5029 Invalid, 3908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3902 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:21:27,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:21:28,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1608. [2022-11-25 17:21:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3616212792906903) internal successors, (2150), 1607 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) [2022-11-25 17:21:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2150 transitions. [2022-11-25 17:21:28,684 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2150 transitions. Word has length 116 [2022-11-25 17:21:28,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:28,684 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2150 transitions. [2022-11-25 17:21:28,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:21:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2150 transitions. [2022-11-25 17:21:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:21:28,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:28,686 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:21:28,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-11-25 17:21:28,686 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:21:28,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:28,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1654269712, now seen corresponding path program 1 times [2022-11-25 17:21:28,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:28,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777444896] [2022-11-25 17:21:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:28,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:28,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777444896] [2022-11-25 17:21:28,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777444896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:28,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:28,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:21:28,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953223393] [2022-11-25 17:21:28,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:28,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:21:28,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:28,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:21:28,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:21:28,942 INFO L87 Difference]: Start difference. First operand 1608 states and 2150 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:21:35,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:35,658 INFO L93 Difference]: Finished difference Result 2610 states and 3518 transitions. [2022-11-25 17:21:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:21:35,659 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:21:35,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:35,661 INFO L225 Difference]: With dead ends: 2610 [2022-11-25 17:21:35,662 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:21:35,662 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:21:35,662 INFO L413 NwaCegarLoop]: 1013 mSDtfsCounter, 7132 mSDsluCounter, 3144 mSDsCounter, 0 mSdLazyCounter, 3298 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7132 SdHoareTripleChecker+Valid, 4157 SdHoareTripleChecker+Invalid, 3305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:35,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7132 Valid, 4157 Invalid, 3305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3298 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:21:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:21:37,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1608. [2022-11-25 17:21:37,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3603546548448384) internal successors, (2148), 1607 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) [2022-11-25 17:21:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2148 transitions. [2022-11-25 17:21:37,028 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2148 transitions. Word has length 116 [2022-11-25 17:21:37,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:37,028 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2148 transitions. [2022-11-25 17:21:37,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:21:37,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2148 transitions. [2022-11-25 17:21:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:21:37,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:37,030 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:21:37,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-11-25 17:21:37,030 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:21:37,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:37,031 INFO L85 PathProgramCache]: Analyzing trace with hash 257927390, now seen corresponding path program 1 times [2022-11-25 17:21:37,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:37,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059551221] [2022-11-25 17:21:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:37,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:37,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:37,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:37,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059551221] [2022-11-25 17:21:37,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059551221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:37,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:37,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:21:37,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168001228] [2022-11-25 17:21:37,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:37,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:21:37,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:37,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:21:37,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:21:37,256 INFO L87 Difference]: Start difference. First operand 1608 states and 2148 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:21:44,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:44,493 INFO L93 Difference]: Finished difference Result 2774 states and 3740 transitions. [2022-11-25 17:21:44,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:21:44,493 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:21:44,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:44,495 INFO L225 Difference]: With dead ends: 2774 [2022-11-25 17:21:44,495 INFO L226 Difference]: Without dead ends: 2757 [2022-11-25 17:21:44,496 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:21:44,496 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 6476 mSDsluCounter, 3802 mSDsCounter, 0 mSdLazyCounter, 3791 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 3798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:44,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6476 Valid, 5027 Invalid, 3798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3791 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:21:44,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-11-25 17:21:45,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1608. [2022-11-25 17:21:45,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3590880303989867) internal successors, (2146), 1607 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) [2022-11-25 17:21:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2146 transitions. [2022-11-25 17:21:45,772 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2146 transitions. Word has length 116 [2022-11-25 17:21:45,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:45,772 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2146 transitions. [2022-11-25 17:21:45,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:21:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2146 transitions. [2022-11-25 17:21:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:21:45,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:45,773 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:21:45,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-11-25 17:21:45,774 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:21:45,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:45,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1144192638, now seen corresponding path program 1 times [2022-11-25 17:21:45,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:45,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247069962] [2022-11-25 17:21:45,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:45,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:46,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:46,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247069962] [2022-11-25 17:21:46,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247069962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:46,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:46,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:21:46,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929031199] [2022-11-25 17:21:46,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:46,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:21:46,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:46,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:21:46,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:21:46,011 INFO L87 Difference]: Start difference. First operand 1608 states and 2146 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:21:52,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:52,819 INFO L93 Difference]: Finished difference Result 2779 states and 3766 transitions. [2022-11-25 17:21:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:21:52,819 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:21:52,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:52,821 INFO L225 Difference]: With dead ends: 2779 [2022-11-25 17:21:52,822 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:21:52,822 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:21:52,822 INFO L413 NwaCegarLoop]: 1025 mSDtfsCounter, 7066 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 3314 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7066 SdHoareTripleChecker+Valid, 4208 SdHoareTripleChecker+Invalid, 3321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:52,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7066 Valid, 4208 Invalid, 3321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3314 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:21:52,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:21:54,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1608. [2022-11-25 17:21:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3578214059531348) internal successors, (2144), 1607 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) [2022-11-25 17:21:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2144 transitions. [2022-11-25 17:21:54,164 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2144 transitions. Word has length 116 [2022-11-25 17:21:54,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:54,164 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2144 transitions. [2022-11-25 17:21:54,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:21:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2144 transitions. [2022-11-25 17:21:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:21:54,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:54,165 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:21:54,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-11-25 17:21:54,165 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:21:54,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:54,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1885561009, now seen corresponding path program 1 times [2022-11-25 17:21:54,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:54,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087742260] [2022-11-25 17:21:54,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:54,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:54,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:54,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087742260] [2022-11-25 17:21:54,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087742260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:54,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:54,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 17:21:54,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714238416] [2022-11-25 17:21:54,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:54,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:21:54,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:54,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:21:54,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:21:54,571 INFO L87 Difference]: Start difference. First operand 1608 states and 2144 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:22:05,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:05,820 INFO L93 Difference]: Finished difference Result 3447 states and 4722 transitions. [2022-11-25 17:22:05,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 17:22:05,821 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) 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 [2022-11-25 17:22:05,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:05,824 INFO L225 Difference]: With dead ends: 3447 [2022-11-25 17:22:05,824 INFO L226 Difference]: Without dead ends: 3442 [2022-11-25 17:22:05,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 17:22:05,825 INFO L413 NwaCegarLoop]: 1093 mSDtfsCounter, 9737 mSDsluCounter, 4236 mSDsCounter, 0 mSdLazyCounter, 4419 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9737 SdHoareTripleChecker+Valid, 5329 SdHoareTripleChecker+Invalid, 4754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 4419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:05,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9737 Valid, 5329 Invalid, 4754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 4419 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-25 17:22:05,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3442 states. [2022-11-25 17:22:07,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3442 to 1616. [2022-11-25 17:22:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.3560176433522368) internal successors, (2152), 1615 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) [2022-11-25 17:22:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2152 transitions. [2022-11-25 17:22:07,144 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2152 transitions. Word has length 116 [2022-11-25 17:22:07,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:22:07,144 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2152 transitions. [2022-11-25 17:22:07,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) 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) [2022-11-25 17:22:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2152 transitions. [2022-11-25 17:22:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:22:07,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:22:07,146 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:22:07,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-11-25 17:22:07,146 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:22:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:07,147 INFO L85 PathProgramCache]: Analyzing trace with hash 975324948, now seen corresponding path program 1 times [2022-11-25 17:22:07,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:07,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291125704] [2022-11-25 17:22:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:07,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:22:07,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:07,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291125704] [2022-11-25 17:22:07,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291125704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:07,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:22:07,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:22:07,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748187217] [2022-11-25 17:22:07,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:07,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:22:07,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:07,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:22:07,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:22:07,385 INFO L87 Difference]: Start difference. First operand 1616 states and 2152 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:22:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:14,644 INFO L93 Difference]: Finished difference Result 2775 states and 3758 transitions. [2022-11-25 17:22:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:22:14,644 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:22:14,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:14,647 INFO L225 Difference]: With dead ends: 2775 [2022-11-25 17:22:14,647 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:22:14,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:22:14,648 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 5079 mSDsluCounter, 4209 mSDsCounter, 0 mSdLazyCounter, 4082 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5079 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 4087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:14,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5079 Valid, 5286 Invalid, 4087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4082 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 17:22:14,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:22:16,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1616. [2022-11-25 17:22:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.3547574039067423) internal successors, (2150), 1615 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) [2022-11-25 17:22:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2150 transitions. [2022-11-25 17:22:16,051 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2150 transitions. Word has length 116 [2022-11-25 17:22:16,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:22:16,051 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2150 transitions. [2022-11-25 17:22:16,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:22:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2150 transitions. [2022-11-25 17:22:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:22:16,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:22:16,053 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:22:16,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-11-25 17:22:16,053 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 17:22:16,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:22:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1723135778, now seen corresponding path program 1 times [2022-11-25 17:22:16,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:22:16,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578508395] [2022-11-25 17:22:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:22:16,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:22:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:22:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:22:16,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:22:16,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578508395] [2022-11-25 17:22:16,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578508395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:22:16,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:22:16,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:22:16,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817121825] [2022-11-25 17:22:16,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:22:16,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:22:16,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:22:16,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:22:16,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:22:16,263 INFO L87 Difference]: Start difference. First operand 1616 states and 2150 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:22:23,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:22:23,293 INFO L93 Difference]: Finished difference Result 2779 states and 3760 transitions. [2022-11-25 17:22:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:22:23,294 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-11-25 17:22:23,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:22:23,296 INFO L225 Difference]: With dead ends: 2779 [2022-11-25 17:22:23,296 INFO L226 Difference]: Without dead ends: 2605 [2022-11-25 17:22:23,296 INFO L412 NwaCegarLoop]: 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 [2022-11-25 17:22:23,296 INFO L413 NwaCegarLoop]: 1091 mSDtfsCounter, 5294 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 3469 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5294 SdHoareTripleChecker+Valid, 4393 SdHoareTripleChecker+Invalid, 3476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:22:23,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5294 Valid, 4393 Invalid, 3476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3469 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 17:22:23,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2022-11-25 17:22:24,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1616. [2022-11-25 17:22:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.3534971644612477) internal successors, (2148), 1615 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) [2022-11-25 17:22:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2148 transitions. [2022-11-25 17:22:24,695 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2148 transitions. Word has length 116 [2022-11-25 17:22:24,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:22:24,696 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2148 transitions. [2022-11-25 17:22:24,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-11-25 17:22:24,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2148 transitions. [2022-11-25 17:22:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:22:24,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:22:24,697 INFO L195 NwaCegarLoop]: 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] [2022-11-25 17:22:24,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111