./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 d0e47ba9123028218b420ce8d5a00a95c55595f981ba1193a1a3a9086d3ecf65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:13:21,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:13:21,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:13:21,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:13:21,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:13:21,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:13:21,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:13:21,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:13:21,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:13:21,900 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:13:21,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:13:21,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:13:21,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:13:21,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:13:21,904 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:13:21,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:13:21,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:13:21,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:13:21,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:13:21,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:13:21,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:13:21,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:13:21,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:13:21,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:13:21,909 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:13:21,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:13:21,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:13:21,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:13:21,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:13:21,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:13:21,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:13:21,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:13:21,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:13:21,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:13:21,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:13:21,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:13:21,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:13:21,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:13:21,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:13:21,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:13:21,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:13:21,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:13:21,916 INFO L153 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0e47ba9123028218b420ce8d5a00a95c55595f981ba1193a1a3a9086d3ecf65 [2023-11-29 06:13:22,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:13:22,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:13:22,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:13:22,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:13:22,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:13:22,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-11-29 06:13:25,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:13:25,472 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:13:25,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-11-29 06:13:25,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/data/c91162a37/961e1f7bf9c94dd8aef323048079d4cd/FLAG60cee366c [2023-11-29 06:13:25,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/data/c91162a37/961e1f7bf9c94dd8aef323048079d4cd [2023-11-29 06:13:25,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:13:25,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:13:25,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:13:25,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:13:25,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:13:25,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:13:25" (1/1) ... [2023-11-29 06:13:25,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23122a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:25, skipping insertion in model container [2023-11-29 06:13:25,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:13:25" (1/1) ... [2023-11-29 06:13:25,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:13:26,405 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2023-11-29 06:13:26,439 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2023-11-29 06:13:26,532 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2023-11-29 06:13:26,562 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2023-11-29 06:13:26,586 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2023-11-29 06:13:26,626 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2023-11-29 06:13:26,654 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2023-11-29 06:13:26,694 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2023-11-29 06:13:26,791 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2023-11-29 06:13:26,801 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2023-11-29 06:13:26,824 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2023-11-29 06:13:26,842 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2023-11-29 06:13:26,902 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2023-11-29 06:13:26,975 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2023-11-29 06:13:27,042 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2023-11-29 06:13:27,111 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2023-11-29 06:13:27,187 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2023-11-29 06:13:27,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:13:27,503 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:13:27,608 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2023-11-29 06:13:27,626 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2023-11-29 06:13:27,687 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2023-11-29 06:13:27,709 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2023-11-29 06:13:27,726 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2023-11-29 06:13:27,753 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2023-11-29 06:13:27,774 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2023-11-29 06:13:27,795 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2023-11-29 06:13:27,877 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2023-11-29 06:13:27,886 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2023-11-29 06:13:27,906 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2023-11-29 06:13:27,921 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2023-11-29 06:13:27,993 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2023-11-29 06:13:28,040 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2023-11-29 06:13:28,083 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2023-11-29 06:13:28,126 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2023-11-29 06:13:28,174 WARN L240 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_1620457c-f47d-4d53-ae99-5fb83a7dc07c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2023-11-29 06:13:28,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:13:28,364 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:13:28,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28 WrapperNode [2023-11-29 06:13:28,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:13:28,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:13:28,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:13:28,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:13:28,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:28,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:28,675 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19330 [2023-11-29 06:13:28,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:13:28,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:13:28,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:13:28,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:13:28,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:28,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:28,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:28,827 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:13:28,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:28,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:28,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:29,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:29,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:29,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:29,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:13:29,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:13:29,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:13:29,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:13:29,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (1/1) ... [2023-11-29 06:13:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:13:29,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:13:29,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:13:29,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1620457c-f47d-4d53-ae99-5fb83a7dc07c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:13:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:13:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:13:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:13:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:13:29,744 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:13:29,747 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:13:36,882 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:13:37,013 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:13:37,013 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:13:37,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:13:37 BoogieIcfgContainer [2023-11-29 06:13:37,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:13:37,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:13:37,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:13:37,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:13:37,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:13:25" (1/3) ... [2023-11-29 06:13:37,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cb93f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:13:37, skipping insertion in model container [2023-11-29 06:13:37,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:13:28" (2/3) ... [2023-11-29 06:13:37,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cb93f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:13:37, skipping insertion in model container [2023-11-29 06:13:37,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:13:37" (3/3) ... [2023-11-29 06:13:37,023 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-11-29 06:13:37,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:13:37,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-29 06:13:37,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:13:37,142 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=LoopHeads, 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;@1a3572dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:13:37,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-11-29 06:13:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 3730 states, 3712 states have (on average 1.78125) internal successors, (6612), 3729 states have internal predecessors, (6612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 06:13:37,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:37,193 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] [2023-11-29 06:13:37,194 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:13:37,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:37,199 INFO L85 PathProgramCache]: Analyzing trace with hash -354004625, now seen corresponding path program 1 times [2023-11-29 06:13:37,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:37,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914512578] [2023-11-29 06:13:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:13:37,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:37,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914512578] [2023-11-29 06:13:37,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914512578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:37,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:37,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:13:37,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043549956] [2023-11-29 06:13:37,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:37,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:13:37,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:37,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:13:37,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:13:37,865 INFO L87 Difference]: Start difference. First operand has 3730 states, 3712 states have (on average 1.78125) internal successors, (6612), 3729 states have internal predecessors, (6612), 0 states have call successors, (0), 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 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:42,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:42,087 INFO L93 Difference]: Finished difference Result 7018 states and 12196 transitions. [2023-11-29 06:13:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:13:42,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 06:13:42,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:42,132 INFO L225 Difference]: With dead ends: 7018 [2023-11-29 06:13:42,133 INFO L226 Difference]: Without dead ends: 4501 [2023-11-29 06:13:42,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:13:42,145 INFO L413 NwaCegarLoop]: 2968 mSDtfsCounter, 20481 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 3529 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20481 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 3664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:42,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20481 Valid, 4254 Invalid, 3664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 3529 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 06:13:42,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2023-11-29 06:13:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4476. [2023-11-29 06:13:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4476 states, 4459 states have (on average 1.3018614039022203) internal successors, (5805), 4475 states have internal predecessors, (5805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 5805 transitions. [2023-11-29 06:13:42,405 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 5805 transitions. Word has length 64 [2023-11-29 06:13:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:42,406 INFO L495 AbstractCegarLoop]: Abstraction has 4476 states and 5805 transitions. [2023-11-29 06:13:42,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 5805 transitions. [2023-11-29 06:13:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 06:13:42,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:42,419 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] [2023-11-29 06:13:42,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:13:42,419 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:13:42,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:42,420 INFO L85 PathProgramCache]: Analyzing trace with hash 838909937, now seen corresponding path program 1 times [2023-11-29 06:13:42,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:42,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457656035] [2023-11-29 06:13:42,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:42,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:13:42,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:42,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457656035] [2023-11-29 06:13:42,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457656035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:42,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:42,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:13:42,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418320495] [2023-11-29 06:13:42,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:42,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:13:42,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:42,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:13:42,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:13:42,754 INFO L87 Difference]: Start difference. First operand 4476 states and 5805 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:45,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:45,292 INFO L93 Difference]: Finished difference Result 8428 states and 10952 transitions. [2023-11-29 06:13:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:13:45,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 06:13:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:45,314 INFO L225 Difference]: With dead ends: 8428 [2023-11-29 06:13:45,314 INFO L226 Difference]: Without dead ends: 5661 [2023-11-29 06:13:45,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:13:45,319 INFO L413 NwaCegarLoop]: 1912 mSDtfsCounter, 13269 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13269 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 2390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:45,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13269 Valid, 2581 Invalid, 2390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 06:13:45,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5661 states. [2023-11-29 06:13:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5661 to 5631. [2023-11-29 06:13:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5631 states, 5614 states have (on average 1.307445671535447) internal successors, (7340), 5630 states have internal predecessors, (7340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5631 states to 5631 states and 7340 transitions. [2023-11-29 06:13:45,516 INFO L78 Accepts]: Start accepts. Automaton has 5631 states and 7340 transitions. Word has length 65 [2023-11-29 06:13:45,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:45,516 INFO L495 AbstractCegarLoop]: Abstraction has 5631 states and 7340 transitions. [2023-11-29 06:13:45,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 5631 states and 7340 transitions. [2023-11-29 06:13:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 06:13:45,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:45,527 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] [2023-11-29 06:13:45,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:13:45,528 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:13:45,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:45,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1512929807, now seen corresponding path program 1 times [2023-11-29 06:13:45,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:45,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800012267] [2023-11-29 06:13:45,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:45,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:13:45,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:45,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800012267] [2023-11-29 06:13:45,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800012267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:45,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:45,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:13:45,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653722663] [2023-11-29 06:13:45,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:45,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:13:45,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:45,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:13:45,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:13:45,762 INFO L87 Difference]: Start difference. First operand 5631 states and 7340 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:47,550 INFO L93 Difference]: Finished difference Result 11308 states and 14760 transitions. [2023-11-29 06:13:47,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:13:47,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 06:13:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:47,585 INFO L225 Difference]: With dead ends: 11308 [2023-11-29 06:13:47,585 INFO L226 Difference]: Without dead ends: 7078 [2023-11-29 06:13:47,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:13:47,593 INFO L413 NwaCegarLoop]: 1610 mSDtfsCounter, 11557 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11557 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:47,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11557 Valid, 2244 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 06:13:47,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7078 states. [2023-11-29 06:13:47,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7078 to 7058. [2023-11-29 06:13:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7058 states, 7041 states have (on average 1.3093310609288453) internal successors, (9219), 7057 states have internal predecessors, (9219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 9219 transitions. [2023-11-29 06:13:47,764 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 9219 transitions. Word has length 65 [2023-11-29 06:13:47,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:47,765 INFO L495 AbstractCegarLoop]: Abstraction has 7058 states and 9219 transitions. [2023-11-29 06:13:47,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:47,765 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 9219 transitions. [2023-11-29 06:13:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 06:13:47,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:47,774 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] [2023-11-29 06:13:47,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:13:47,774 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:13:47,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:47,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1700677701, now seen corresponding path program 1 times [2023-11-29 06:13:47,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:47,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032070309] [2023-11-29 06:13:47,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:47,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:13:47,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:47,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032070309] [2023-11-29 06:13:47,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032070309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:47,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:47,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:13:47,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290694941] [2023-11-29 06:13:47,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:47,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:13:47,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:47,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:13:47,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:13:47,958 INFO L87 Difference]: Start difference. First operand 7058 states and 9219 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:49,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:49,390 INFO L93 Difference]: Finished difference Result 13776 states and 18168 transitions. [2023-11-29 06:13:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:13:49,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-29 06:13:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:49,423 INFO L225 Difference]: With dead ends: 13776 [2023-11-29 06:13:49,424 INFO L226 Difference]: Without dead ends: 9202 [2023-11-29 06:13:49,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:13:49,431 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 9715 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9715 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:49,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9715 Valid, 2008 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:13:49,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9202 states. [2023-11-29 06:13:49,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9202 to 9162. [2023-11-29 06:13:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9162 states, 9145 states have (on average 1.323127392017496) internal successors, (12100), 9161 states have internal predecessors, (12100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9162 states to 9162 states and 12100 transitions. [2023-11-29 06:13:49,615 INFO L78 Accepts]: Start accepts. Automaton has 9162 states and 12100 transitions. Word has length 66 [2023-11-29 06:13:49,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:49,616 INFO L495 AbstractCegarLoop]: Abstraction has 9162 states and 12100 transitions. [2023-11-29 06:13:49,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 9162 states and 12100 transitions. [2023-11-29 06:13:49,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-29 06:13:49,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:49,624 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] [2023-11-29 06:13:49,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:13:49,624 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:13:49,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:49,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1596749287, now seen corresponding path program 1 times [2023-11-29 06:13:49,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:49,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687674219] [2023-11-29 06:13:49,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:49,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:49,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:13:49,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:49,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687674219] [2023-11-29 06:13:49,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687674219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:49,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:49,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:13:49,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008298699] [2023-11-29 06:13:49,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:49,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:13:49,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:49,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:13:49,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:13:49,991 INFO L87 Difference]: Start difference. First operand 9162 states and 12100 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:52,681 INFO L93 Difference]: Finished difference Result 14405 states and 19713 transitions. [2023-11-29 06:13:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:13:52,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-29 06:13:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:52,714 INFO L225 Difference]: With dead ends: 14405 [2023-11-29 06:13:52,715 INFO L226 Difference]: Without dead ends: 12871 [2023-11-29 06:13:52,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:13:52,721 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 10453 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 4339 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10453 SdHoareTripleChecker+Valid, 5154 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:52,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10453 Valid, 5154 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4339 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 06:13:52,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12871 states. [2023-11-29 06:13:52,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12871 to 9002. [2023-11-29 06:13:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9002 states, 8985 states have (on average 1.3225375626043405) internal successors, (11883), 9001 states have internal predecessors, (11883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:52,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9002 states to 9002 states and 11883 transitions. [2023-11-29 06:13:52,943 INFO L78 Accepts]: Start accepts. Automaton has 9002 states and 11883 transitions. Word has length 67 [2023-11-29 06:13:52,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:52,944 INFO L495 AbstractCegarLoop]: Abstraction has 9002 states and 11883 transitions. [2023-11-29 06:13:52,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 9002 states and 11883 transitions. [2023-11-29 06:13:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-29 06:13:52,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:52,953 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] [2023-11-29 06:13:52,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:13:52,953 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:13:52,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:52,953 INFO L85 PathProgramCache]: Analyzing trace with hash -738498771, now seen corresponding path program 1 times [2023-11-29 06:13:52,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:52,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583587033] [2023-11-29 06:13:52,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:52,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:13:53,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:53,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583587033] [2023-11-29 06:13:53,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583587033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:53,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:53,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:13:53,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306021101] [2023-11-29 06:13:53,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:53,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:13:53,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:53,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:13:53,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:13:53,437 INFO L87 Difference]: Start difference. First operand 9002 states and 11883 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:57,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:13:57,229 INFO L93 Difference]: Finished difference Result 17829 states and 24363 transitions. [2023-11-29 06:13:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:13:57,230 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-29 06:13:57,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:13:57,265 INFO L225 Difference]: With dead ends: 17829 [2023-11-29 06:13:57,265 INFO L226 Difference]: Without dead ends: 16417 [2023-11-29 06:13:57,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:13:57,273 INFO L413 NwaCegarLoop]: 1676 mSDtfsCounter, 5967 mSDsluCounter, 6136 mSDsCounter, 0 mSdLazyCounter, 7464 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5967 SdHoareTripleChecker+Valid, 7812 SdHoareTripleChecker+Invalid, 7561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 7464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:13:57,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5967 Valid, 7812 Invalid, 7561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 7464 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 06:13:57,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16417 states. [2023-11-29 06:13:57,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16417 to 8940. [2023-11-29 06:13:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8940 states, 8923 states have (on average 1.3222010534573574) internal successors, (11798), 8939 states have internal predecessors, (11798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8940 states to 8940 states and 11798 transitions. [2023-11-29 06:13:57,541 INFO L78 Accepts]: Start accepts. Automaton has 8940 states and 11798 transitions. Word has length 67 [2023-11-29 06:13:57,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:13:57,542 INFO L495 AbstractCegarLoop]: Abstraction has 8940 states and 11798 transitions. [2023-11-29 06:13:57,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:13:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 8940 states and 11798 transitions. [2023-11-29 06:13:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-29 06:13:57,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:13:57,555 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] [2023-11-29 06:13:57,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:13:57,556 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:13:57,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:13:57,557 INFO L85 PathProgramCache]: Analyzing trace with hash 757912053, now seen corresponding path program 1 times [2023-11-29 06:13:57,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:13:57,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303413026] [2023-11-29 06:13:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:13:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:13:58,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:13:58,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303413026] [2023-11-29 06:13:58,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303413026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:13:58,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:13:58,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:13:58,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764288746] [2023-11-29 06:13:58,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:13:58,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:13:58,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:13:58,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:13:58,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:13:58,484 INFO L87 Difference]: Start difference. First operand 8940 states and 11798 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:00,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:00,367 INFO L93 Difference]: Finished difference Result 16547 states and 23096 transitions. [2023-11-29 06:14:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 06:14:00,367 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-29 06:14:00,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:00,392 INFO L225 Difference]: With dead ends: 16547 [2023-11-29 06:14:00,392 INFO L226 Difference]: Without dead ends: 16543 [2023-11-29 06:14:00,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:14:00,399 INFO L413 NwaCegarLoop]: 2738 mSDtfsCounter, 16386 mSDsluCounter, 9991 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16386 SdHoareTripleChecker+Valid, 12729 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:00,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16386 Valid, 12729 Invalid, 1543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:14:00,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16543 states. [2023-11-29 06:14:00,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16543 to 8936. [2023-11-29 06:14:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.3221973094170403) internal successors, (11794), 8935 states have internal predecessors, (11794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:00,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11794 transitions. [2023-11-29 06:14:00,656 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11794 transitions. Word has length 68 [2023-11-29 06:14:00,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:00,656 INFO L495 AbstractCegarLoop]: Abstraction has 8936 states and 11794 transitions. [2023-11-29 06:14:00,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:00,657 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11794 transitions. [2023-11-29 06:14:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-29 06:14:00,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:00,667 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] [2023-11-29 06:14:00,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:14:00,668 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:00,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:00,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1434028365, now seen corresponding path program 1 times [2023-11-29 06:14:00,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:00,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840786334] [2023-11-29 06:14:00,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:00,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:01,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:01,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840786334] [2023-11-29 06:14:01,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840786334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:01,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:01,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:01,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47069600] [2023-11-29 06:14:01,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:01,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:01,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:01,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:01,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:01,211 INFO L87 Difference]: Start difference. First operand 8936 states and 11794 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:04,252 INFO L93 Difference]: Finished difference Result 10523 states and 13939 transitions. [2023-11-29 06:14:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:14:04,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-29 06:14:04,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:04,262 INFO L225 Difference]: With dead ends: 10523 [2023-11-29 06:14:04,262 INFO L226 Difference]: Without dead ends: 10517 [2023-11-29 06:14:04,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:14:04,264 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 8303 mSDsluCounter, 5813 mSDsCounter, 0 mSdLazyCounter, 5856 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8303 SdHoareTripleChecker+Valid, 7288 SdHoareTripleChecker+Invalid, 5876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 5856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:04,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8303 Valid, 7288 Invalid, 5876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 5856 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 06:14:04,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10517 states. [2023-11-29 06:14:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10517 to 8936. [2023-11-29 06:14:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.322085201793722) internal successors, (11793), 8935 states have internal predecessors, (11793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11793 transitions. [2023-11-29 06:14:04,396 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11793 transitions. Word has length 68 [2023-11-29 06:14:04,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:04,396 INFO L495 AbstractCegarLoop]: Abstraction has 8936 states and 11793 transitions. [2023-11-29 06:14:04,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11793 transitions. [2023-11-29 06:14:04,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-29 06:14:04,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:04,405 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] [2023-11-29 06:14:04,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:14:04,406 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:04,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:04,406 INFO L85 PathProgramCache]: Analyzing trace with hash -896669404, now seen corresponding path program 1 times [2023-11-29 06:14:04,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:04,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080846118] [2023-11-29 06:14:04,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:04,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:04,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:04,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080846118] [2023-11-29 06:14:04,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080846118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:04,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:04,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:04,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734409654] [2023-11-29 06:14:04,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:04,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:04,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:04,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:04,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:04,783 INFO L87 Difference]: Start difference. First operand 8936 states and 11793 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:08,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:08,752 INFO L93 Difference]: Finished difference Result 11317 states and 14889 transitions. [2023-11-29 06:14:08,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:14:08,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-29 06:14:08,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:08,762 INFO L225 Difference]: With dead ends: 11317 [2023-11-29 06:14:08,762 INFO L226 Difference]: Without dead ends: 11308 [2023-11-29 06:14:08,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:14:08,765 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 8212 mSDsluCounter, 5864 mSDsCounter, 0 mSdLazyCounter, 6375 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8212 SdHoareTripleChecker+Valid, 7326 SdHoareTripleChecker+Invalid, 6421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 6375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:08,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8212 Valid, 7326 Invalid, 6421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 6375 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 06:14:08,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11308 states. [2023-11-29 06:14:08,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11308 to 8936. [2023-11-29 06:14:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.3219730941704035) internal successors, (11792), 8935 states have internal predecessors, (11792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11792 transitions. [2023-11-29 06:14:08,919 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11792 transitions. Word has length 68 [2023-11-29 06:14:08,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:08,919 INFO L495 AbstractCegarLoop]: Abstraction has 8936 states and 11792 transitions. [2023-11-29 06:14:08,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11792 transitions. [2023-11-29 06:14:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-29 06:14:08,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:08,925 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] [2023-11-29 06:14:08,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:14:08,926 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:08,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:08,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1848914971, now seen corresponding path program 1 times [2023-11-29 06:14:08,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:08,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024387853] [2023-11-29 06:14:08,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:08,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:09,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:09,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024387853] [2023-11-29 06:14:09,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024387853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:09,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:09,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:14:09,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345926368] [2023-11-29 06:14:09,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:09,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:14:09,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:09,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:14:09,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:14:09,540 INFO L87 Difference]: Start difference. First operand 8936 states and 11792 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:11,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:11,569 INFO L93 Difference]: Finished difference Result 16538 states and 23083 transitions. [2023-11-29 06:14:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 06:14:11,570 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-29 06:14:11,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:11,584 INFO L225 Difference]: With dead ends: 16538 [2023-11-29 06:14:11,584 INFO L226 Difference]: Without dead ends: 16534 [2023-11-29 06:14:11,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-11-29 06:14:11,589 INFO L413 NwaCegarLoop]: 2735 mSDtfsCounter, 15995 mSDsluCounter, 13798 mSDsCounter, 0 mSdLazyCounter, 1938 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15995 SdHoareTripleChecker+Valid, 16533 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:11,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15995 Valid, 16533 Invalid, 1953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1938 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 06:14:11,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16534 states. [2023-11-29 06:14:11,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16534 to 8932. [2023-11-29 06:14:11,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8932 states, 8917 states have (on average 1.321969272176741) internal successors, (11788), 8931 states have internal predecessors, (11788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 11788 transitions. [2023-11-29 06:14:11,789 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 11788 transitions. Word has length 68 [2023-11-29 06:14:11,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:11,790 INFO L495 AbstractCegarLoop]: Abstraction has 8932 states and 11788 transitions. [2023-11-29 06:14:11,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 11788 transitions. [2023-11-29 06:14:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 06:14:11,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:11,796 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] [2023-11-29 06:14:11,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:14:11,797 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:11,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:11,797 INFO L85 PathProgramCache]: Analyzing trace with hash 267145537, now seen corresponding path program 1 times [2023-11-29 06:14:11,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:11,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018734613] [2023-11-29 06:14:11,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:11,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:12,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:12,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018734613] [2023-11-29 06:14:12,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018734613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:12,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:12,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 06:14:12,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757393173] [2023-11-29 06:14:12,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:12,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:14:12,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:12,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:14:12,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:14:12,582 INFO L87 Difference]: Start difference. First operand 8932 states and 11788 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:15,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:15,893 INFO L93 Difference]: Finished difference Result 24399 states and 34430 transitions. [2023-11-29 06:14:15,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 06:14:15,893 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2023-11-29 06:14:15,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:15,917 INFO L225 Difference]: With dead ends: 24399 [2023-11-29 06:14:15,917 INFO L226 Difference]: Without dead ends: 24390 [2023-11-29 06:14:15,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 06:14:15,924 INFO L413 NwaCegarLoop]: 2704 mSDtfsCounter, 21694 mSDsluCounter, 13838 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21694 SdHoareTripleChecker+Valid, 16542 SdHoareTripleChecker+Invalid, 2343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:15,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21694 Valid, 16542 Invalid, 2343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [47 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 06:14:15,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24390 states. [2023-11-29 06:14:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24390 to 8923. [2023-11-29 06:14:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8923 states, 8909 states have (on average 1.3220338983050848) internal successors, (11778), 8922 states have internal predecessors, (11778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8923 states to 8923 states and 11778 transitions. [2023-11-29 06:14:16,170 INFO L78 Accepts]: Start accepts. Automaton has 8923 states and 11778 transitions. Word has length 69 [2023-11-29 06:14:16,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:16,170 INFO L495 AbstractCegarLoop]: Abstraction has 8923 states and 11778 transitions. [2023-11-29 06:14:16,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 8923 states and 11778 transitions. [2023-11-29 06:14:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 06:14:16,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:16,175 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] [2023-11-29 06:14:16,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:14:16,176 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:16,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:16,176 INFO L85 PathProgramCache]: Analyzing trace with hash 554101842, now seen corresponding path program 1 times [2023-11-29 06:14:16,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:16,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753188815] [2023-11-29 06:14:16,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:16,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:16,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:16,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:16,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753188815] [2023-11-29 06:14:16,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753188815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:16,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:16,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:14:16,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830664643] [2023-11-29 06:14:16,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:16,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:14:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:16,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:14:16,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:14:16,833 INFO L87 Difference]: Start difference. First operand 8923 states and 11778 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:18,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:18,944 INFO L93 Difference]: Finished difference Result 20546 states and 28976 transitions. [2023-11-29 06:14:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:14:18,945 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2023-11-29 06:14:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:18,958 INFO L225 Difference]: With dead ends: 20546 [2023-11-29 06:14:18,959 INFO L226 Difference]: Without dead ends: 19056 [2023-11-29 06:14:18,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=192, Invalid=408, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:14:18,963 INFO L413 NwaCegarLoop]: 2625 mSDtfsCounter, 12077 mSDsluCounter, 11699 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12077 SdHoareTripleChecker+Valid, 14324 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:18,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12077 Valid, 14324 Invalid, 2388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 06:14:18,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19056 states. [2023-11-29 06:14:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19056 to 8884. [2023-11-29 06:14:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8884 states, 8870 states have (on average 1.3226606538895151) internal successors, (11732), 8883 states have internal predecessors, (11732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8884 states to 8884 states and 11732 transitions. [2023-11-29 06:14:19,110 INFO L78 Accepts]: Start accepts. Automaton has 8884 states and 11732 transitions. Word has length 69 [2023-11-29 06:14:19,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:19,111 INFO L495 AbstractCegarLoop]: Abstraction has 8884 states and 11732 transitions. [2023-11-29 06:14:19,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 8884 states and 11732 transitions. [2023-11-29 06:14:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 06:14:19,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:19,116 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] [2023-11-29 06:14:19,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:14:19,116 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:19,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:19,117 INFO L85 PathProgramCache]: Analyzing trace with hash -631202535, now seen corresponding path program 1 times [2023-11-29 06:14:19,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:19,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812523174] [2023-11-29 06:14:19,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:19,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:19,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:19,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812523174] [2023-11-29 06:14:19,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812523174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:19,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:19,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:19,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344474266] [2023-11-29 06:14:19,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:19,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:19,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:19,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:19,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:19,187 INFO L87 Difference]: Start difference. First operand 8884 states and 11732 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:19,330 INFO L93 Difference]: Finished difference Result 12827 states and 17252 transitions. [2023-11-29 06:14:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:19,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2023-11-29 06:14:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:19,336 INFO L225 Difference]: With dead ends: 12827 [2023-11-29 06:14:19,336 INFO L226 Difference]: Without dead ends: 7909 [2023-11-29 06:14:19,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:19,340 INFO L413 NwaCegarLoop]: 1995 mSDtfsCounter, 1971 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:19,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 2674 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:19,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7909 states. [2023-11-29 06:14:19,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7909 to 7890. [2023-11-29 06:14:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 7880 states have (on average 1.340989847715736) internal successors, (10567), 7889 states have internal predecessors, (10567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 10567 transitions. [2023-11-29 06:14:19,415 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 10567 transitions. Word has length 69 [2023-11-29 06:14:19,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:19,415 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 10567 transitions. [2023-11-29 06:14:19,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:19,415 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 10567 transitions. [2023-11-29 06:14:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-29 06:14:19,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:19,419 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] [2023-11-29 06:14:19,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:14:19,419 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:19,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:19,420 INFO L85 PathProgramCache]: Analyzing trace with hash 208427501, now seen corresponding path program 1 times [2023-11-29 06:14:19,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:19,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339590565] [2023-11-29 06:14:19,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:19,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:19,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339590565] [2023-11-29 06:14:19,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339590565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:19,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:19,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:19,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267534285] [2023-11-29 06:14:19,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:19,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:19,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:19,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:19,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:19,719 INFO L87 Difference]: Start difference. First operand 7890 states and 10567 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:21,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:21,949 INFO L93 Difference]: Finished difference Result 15342 states and 21386 transitions. [2023-11-29 06:14:21,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:14:21,950 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2023-11-29 06:14:21,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:21,959 INFO L225 Difference]: With dead ends: 15342 [2023-11-29 06:14:21,959 INFO L226 Difference]: Without dead ends: 13334 [2023-11-29 06:14:21,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:14:21,962 INFO L413 NwaCegarLoop]: 1173 mSDtfsCounter, 5412 mSDsluCounter, 3793 mSDsCounter, 0 mSdLazyCounter, 4306 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 4966 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 4306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:21,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5412 Valid, 4966 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 4306 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 06:14:21,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13334 states. [2023-11-29 06:14:22,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13334 to 7890. [2023-11-29 06:14:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 7880 states have (on average 1.3408629441624365) internal successors, (10566), 7889 states have internal predecessors, (10566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 10566 transitions. [2023-11-29 06:14:22,067 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 10566 transitions. Word has length 70 [2023-11-29 06:14:22,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:22,067 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 10566 transitions. [2023-11-29 06:14:22,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 10566 transitions. [2023-11-29 06:14:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-29 06:14:22,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:22,072 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] [2023-11-29 06:14:22,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:14:22,072 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:22,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:22,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1665056200, now seen corresponding path program 1 times [2023-11-29 06:14:22,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:22,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625379853] [2023-11-29 06:14:22,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:22,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:22,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:22,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625379853] [2023-11-29 06:14:22,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625379853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:22,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:22,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:22,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262044505] [2023-11-29 06:14:22,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:22,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:22,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:22,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:22,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:22,307 INFO L87 Difference]: Start difference. First operand 7890 states and 10566 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:25,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:25,030 INFO L93 Difference]: Finished difference Result 19262 states and 26934 transitions. [2023-11-29 06:14:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:14:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2023-11-29 06:14:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:25,042 INFO L225 Difference]: With dead ends: 19262 [2023-11-29 06:14:25,042 INFO L226 Difference]: Without dead ends: 17185 [2023-11-29 06:14:25,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:14:25,047 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 4688 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 5764 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4688 SdHoareTripleChecker+Valid, 6241 SdHoareTripleChecker+Invalid, 5843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 5764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:25,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4688 Valid, 6241 Invalid, 5843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 5764 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 06:14:25,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17185 states. [2023-11-29 06:14:25,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17185 to 7890. [2023-11-29 06:14:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 7880 states have (on average 1.340736040609137) internal successors, (10565), 7889 states have internal predecessors, (10565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 10565 transitions. [2023-11-29 06:14:25,169 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 10565 transitions. Word has length 70 [2023-11-29 06:14:25,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:25,170 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 10565 transitions. [2023-11-29 06:14:25,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 10565 transitions. [2023-11-29 06:14:25,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-29 06:14:25,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:25,174 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] [2023-11-29 06:14:25,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 06:14:25,174 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:25,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:25,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1937924781, now seen corresponding path program 1 times [2023-11-29 06:14:25,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:25,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644102369] [2023-11-29 06:14:25,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:25,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:25,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:25,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644102369] [2023-11-29 06:14:25,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644102369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:25,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:25,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:14:25,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175236731] [2023-11-29 06:14:25,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:25,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:14:25,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:25,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:14:25,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:14:25,404 INFO L87 Difference]: Start difference. First operand 7890 states and 10565 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:27,157 INFO L93 Difference]: Finished difference Result 14890 states and 20873 transitions. [2023-11-29 06:14:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:14:27,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2023-11-29 06:14:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:27,166 INFO L225 Difference]: With dead ends: 14890 [2023-11-29 06:14:27,166 INFO L226 Difference]: Without dead ends: 12469 [2023-11-29 06:14:27,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:14:27,169 INFO L413 NwaCegarLoop]: 1180 mSDtfsCounter, 7979 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 3051 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7979 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 3060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:27,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7979 Valid, 3741 Invalid, 3060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 3051 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 06:14:27,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12469 states. [2023-11-29 06:14:27,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12469 to 7890. [2023-11-29 06:14:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 7880 states have (on average 1.3406091370558375) internal successors, (10564), 7889 states have internal predecessors, (10564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 10564 transitions. [2023-11-29 06:14:27,271 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 10564 transitions. Word has length 70 [2023-11-29 06:14:27,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:27,271 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 10564 transitions. [2023-11-29 06:14:27,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 10564 transitions. [2023-11-29 06:14:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-29 06:14:27,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:27,276 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] [2023-11-29 06:14:27,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 06:14:27,277 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:27,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:27,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1770122057, now seen corresponding path program 1 times [2023-11-29 06:14:27,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:27,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105676771] [2023-11-29 06:14:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:27,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:27,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105676771] [2023-11-29 06:14:27,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105676771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:27,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:27,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:27,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904922598] [2023-11-29 06:14:27,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:27,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:27,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:27,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:27,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:27,347 INFO L87 Difference]: Start difference. First operand 7890 states and 10564 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:27,503 INFO L93 Difference]: Finished difference Result 12672 states and 17286 transitions. [2023-11-29 06:14:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:27,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2023-11-29 06:14:27,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:27,510 INFO L225 Difference]: With dead ends: 12672 [2023-11-29 06:14:27,510 INFO L226 Difference]: Without dead ends: 7576 [2023-11-29 06:14:27,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:27,515 INFO L413 NwaCegarLoop]: 1588 mSDtfsCounter, 1566 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 2121 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:27,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 2121 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:27,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7576 states. [2023-11-29 06:14:27,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7576 to 7568. [2023-11-29 06:14:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7568 states, 7561 states have (on average 1.3615923819600582) internal successors, (10295), 7567 states have internal predecessors, (10295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7568 states to 7568 states and 10295 transitions. [2023-11-29 06:14:27,607 INFO L78 Accepts]: Start accepts. Automaton has 7568 states and 10295 transitions. Word has length 70 [2023-11-29 06:14:27,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:27,608 INFO L495 AbstractCegarLoop]: Abstraction has 7568 states and 10295 transitions. [2023-11-29 06:14:27,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 7568 states and 10295 transitions. [2023-11-29 06:14:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 06:14:27,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:27,614 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] [2023-11-29 06:14:27,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 06:14:27,614 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:27,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:27,614 INFO L85 PathProgramCache]: Analyzing trace with hash 546797367, now seen corresponding path program 1 times [2023-11-29 06:14:27,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:27,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801533739] [2023-11-29 06:14:27,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:27,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:27,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:27,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801533739] [2023-11-29 06:14:27,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801533739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:27,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:27,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:27,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465328389] [2023-11-29 06:14:27,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:27,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:27,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:27,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:27,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:27,718 INFO L87 Difference]: Start difference. First operand 7568 states and 10295 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:27,828 INFO L93 Difference]: Finished difference Result 15599 states and 21769 transitions. [2023-11-29 06:14:27,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:27,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-29 06:14:27,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:27,839 INFO L225 Difference]: With dead ends: 15599 [2023-11-29 06:14:27,839 INFO L226 Difference]: Without dead ends: 11659 [2023-11-29 06:14:27,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:27,844 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 1019 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:27,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 3065 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:27,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11659 states. [2023-11-29 06:14:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11659 to 11651. [2023-11-29 06:14:27,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11651 states, 11644 states have (on average 1.3708347646856751) internal successors, (15962), 11650 states have internal predecessors, (15962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11651 states to 11651 states and 15962 transitions. [2023-11-29 06:14:27,967 INFO L78 Accepts]: Start accepts. Automaton has 11651 states and 15962 transitions. Word has length 71 [2023-11-29 06:14:27,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:27,967 INFO L495 AbstractCegarLoop]: Abstraction has 11651 states and 15962 transitions. [2023-11-29 06:14:27,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 11651 states and 15962 transitions. [2023-11-29 06:14:27,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 06:14:27,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:27,971 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] [2023-11-29 06:14:27,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 06:14:27,971 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:27,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:27,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1939459057, now seen corresponding path program 1 times [2023-11-29 06:14:27,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:27,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356766130] [2023-11-29 06:14:27,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:27,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:28,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:28,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356766130] [2023-11-29 06:14:28,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356766130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:28,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:28,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:28,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864669924] [2023-11-29 06:14:28,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:28,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:28,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:28,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:28,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:28,056 INFO L87 Difference]: Start difference. First operand 11651 states and 15962 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:28,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:28,149 INFO L93 Difference]: Finished difference Result 20177 states and 28755 transitions. [2023-11-29 06:14:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:28,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-29 06:14:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:28,161 INFO L225 Difference]: With dead ends: 20177 [2023-11-29 06:14:28,161 INFO L226 Difference]: Without dead ends: 13752 [2023-11-29 06:14:28,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:28,168 INFO L413 NwaCegarLoop]: 1665 mSDtfsCounter, 1031 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 2346 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:28,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 2346 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:14:28,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13752 states. [2023-11-29 06:14:28,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13752 to 11042. [2023-11-29 06:14:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11042 states, 11035 states have (on average 1.3968282736746715) internal successors, (15414), 11041 states have internal predecessors, (15414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:28,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11042 states to 11042 states and 15414 transitions. [2023-11-29 06:14:28,316 INFO L78 Accepts]: Start accepts. Automaton has 11042 states and 15414 transitions. Word has length 71 [2023-11-29 06:14:28,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:28,317 INFO L495 AbstractCegarLoop]: Abstraction has 11042 states and 15414 transitions. [2023-11-29 06:14:28,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 11042 states and 15414 transitions. [2023-11-29 06:14:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 06:14:28,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:28,320 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] [2023-11-29 06:14:28,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 06:14:28,320 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:28,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:28,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1009351057, now seen corresponding path program 1 times [2023-11-29 06:14:28,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:28,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809263666] [2023-11-29 06:14:28,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:28,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:28,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:28,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809263666] [2023-11-29 06:14:28,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809263666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:28,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:28,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:28,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186745020] [2023-11-29 06:14:28,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:28,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:28,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:28,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:28,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:28,405 INFO L87 Difference]: Start difference. First operand 11042 states and 15414 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:28,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:28,591 INFO L93 Difference]: Finished difference Result 25782 states and 36687 transitions. [2023-11-29 06:14:28,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:28,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-29 06:14:28,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:28,606 INFO L225 Difference]: With dead ends: 25782 [2023-11-29 06:14:28,606 INFO L226 Difference]: Without dead ends: 17666 [2023-11-29 06:14:28,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:28,615 INFO L413 NwaCegarLoop]: 1831 mSDtfsCounter, 903 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 3089 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:28,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 3089 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:28,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17666 states. [2023-11-29 06:14:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17666 to 17658. [2023-11-29 06:14:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17658 states, 17651 states have (on average 1.3949917851679792) internal successors, (24623), 17657 states have internal predecessors, (24623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17658 states to 17658 states and 24623 transitions. [2023-11-29 06:14:28,788 INFO L78 Accepts]: Start accepts. Automaton has 17658 states and 24623 transitions. Word has length 71 [2023-11-29 06:14:28,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:28,788 INFO L495 AbstractCegarLoop]: Abstraction has 17658 states and 24623 transitions. [2023-11-29 06:14:28,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 17658 states and 24623 transitions. [2023-11-29 06:14:28,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 06:14:28,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:28,792 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] [2023-11-29 06:14:28,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 06:14:28,792 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:28,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:28,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1569860402, now seen corresponding path program 1 times [2023-11-29 06:14:28,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:28,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170433420] [2023-11-29 06:14:28,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:28,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:28,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:28,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170433420] [2023-11-29 06:14:28,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170433420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:28,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:28,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:28,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243840973] [2023-11-29 06:14:28,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:28,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:28,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:28,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:28,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:28,860 INFO L87 Difference]: Start difference. First operand 17658 states and 24623 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:29,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:29,091 INFO L93 Difference]: Finished difference Result 35020 states and 49544 transitions. [2023-11-29 06:14:29,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:29,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-11-29 06:14:29,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:29,107 INFO L225 Difference]: With dead ends: 35020 [2023-11-29 06:14:29,107 INFO L226 Difference]: Without dead ends: 19242 [2023-11-29 06:14:29,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:29,118 INFO L413 NwaCegarLoop]: 1544 mSDtfsCounter, 1291 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:29,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 2144 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:29,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19242 states. [2023-11-29 06:14:29,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19242 to 15400. [2023-11-29 06:14:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15400 states, 15393 states have (on average 1.4135646072890276) internal successors, (21759), 15399 states have internal predecessors, (21759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15400 states to 15400 states and 21759 transitions. [2023-11-29 06:14:29,319 INFO L78 Accepts]: Start accepts. Automaton has 15400 states and 21759 transitions. Word has length 72 [2023-11-29 06:14:29,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:29,320 INFO L495 AbstractCegarLoop]: Abstraction has 15400 states and 21759 transitions. [2023-11-29 06:14:29,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:29,320 INFO L276 IsEmpty]: Start isEmpty. Operand 15400 states and 21759 transitions. [2023-11-29 06:14:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 06:14:29,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:29,322 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] [2023-11-29 06:14:29,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 06:14:29,322 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:29,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:29,323 INFO L85 PathProgramCache]: Analyzing trace with hash -620993132, now seen corresponding path program 1 times [2023-11-29 06:14:29,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:29,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036559577] [2023-11-29 06:14:29,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:29,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:29,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:29,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036559577] [2023-11-29 06:14:29,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036559577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:29,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:29,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:29,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893951554] [2023-11-29 06:14:29,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:29,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:29,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:29,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:29,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:29,682 INFO L87 Difference]: Start difference. First operand 15400 states and 21759 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:31,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:31,270 INFO L93 Difference]: Finished difference Result 23046 states and 32560 transitions. [2023-11-29 06:14:31,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:14:31,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-11-29 06:14:31,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:31,284 INFO L225 Difference]: With dead ends: 23046 [2023-11-29 06:14:31,284 INFO L226 Difference]: Without dead ends: 22836 [2023-11-29 06:14:31,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:14:31,286 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 4795 mSDsluCounter, 3689 mSDsCounter, 0 mSdLazyCounter, 3331 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4795 SdHoareTripleChecker+Valid, 4594 SdHoareTripleChecker+Invalid, 3346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:31,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4795 Valid, 4594 Invalid, 3346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3331 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 06:14:31,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22836 states. [2023-11-29 06:14:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22836 to 15395. [2023-11-29 06:14:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15395 states, 15388 states have (on average 1.4134390434104498) internal successors, (21750), 15394 states have internal predecessors, (21750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15395 states to 15395 states and 21750 transitions. [2023-11-29 06:14:31,444 INFO L78 Accepts]: Start accepts. Automaton has 15395 states and 21750 transitions. Word has length 72 [2023-11-29 06:14:31,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:31,444 INFO L495 AbstractCegarLoop]: Abstraction has 15395 states and 21750 transitions. [2023-11-29 06:14:31,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 15395 states and 21750 transitions. [2023-11-29 06:14:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 06:14:31,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:31,446 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] [2023-11-29 06:14:31,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 06:14:31,446 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:31,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:31,447 INFO L85 PathProgramCache]: Analyzing trace with hash -789977138, now seen corresponding path program 1 times [2023-11-29 06:14:31,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:31,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734797000] [2023-11-29 06:14:31,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:31,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:31,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734797000] [2023-11-29 06:14:31,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734797000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:31,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:31,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:31,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727530008] [2023-11-29 06:14:31,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:31,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:31,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:31,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:31,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:31,510 INFO L87 Difference]: Start difference. First operand 15395 states and 21750 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:31,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:31,634 INFO L93 Difference]: Finished difference Result 31577 states and 45215 transitions. [2023-11-29 06:14:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:31,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-11-29 06:14:31,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:31,647 INFO L225 Difference]: With dead ends: 31577 [2023-11-29 06:14:31,648 INFO L226 Difference]: Without dead ends: 17504 [2023-11-29 06:14:31,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:31,654 INFO L413 NwaCegarLoop]: 1405 mSDtfsCounter, 1310 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:31,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 1913 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:31,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17504 states. [2023-11-29 06:14:31,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17504 to 14075. [2023-11-29 06:14:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.428419107193631) internal successors, (20095), 14074 states have internal predecessors, (20095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20095 transitions. [2023-11-29 06:14:31,786 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20095 transitions. Word has length 72 [2023-11-29 06:14:31,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:31,786 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20095 transitions. [2023-11-29 06:14:31,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:31,786 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20095 transitions. [2023-11-29 06:14:31,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 06:14:31,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:31,788 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] [2023-11-29 06:14:31,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 06:14:31,788 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:31,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:31,789 INFO L85 PathProgramCache]: Analyzing trace with hash -104672906, now seen corresponding path program 1 times [2023-11-29 06:14:31,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:31,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721778866] [2023-11-29 06:14:31,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:31,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:32,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:32,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721778866] [2023-11-29 06:14:32,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721778866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:32,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:32,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:32,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818800987] [2023-11-29 06:14:32,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:32,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:32,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:32,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:32,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:32,059 INFO L87 Difference]: Start difference. First operand 14075 states and 20095 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:33,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:33,826 INFO L93 Difference]: Finished difference Result 26880 states and 38272 transitions. [2023-11-29 06:14:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:14:33,826 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 06:14:33,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:33,848 INFO L225 Difference]: With dead ends: 26880 [2023-11-29 06:14:33,848 INFO L226 Difference]: Without dead ends: 26590 [2023-11-29 06:14:33,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:14:33,855 INFO L413 NwaCegarLoop]: 1172 mSDtfsCounter, 4448 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 3390 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4448 SdHoareTripleChecker+Valid, 4415 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 3390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:33,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4448 Valid, 4415 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 3390 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 06:14:33,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26590 states. [2023-11-29 06:14:34,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26590 to 14075. [2023-11-29 06:14:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.428348023883992) internal successors, (20094), 14074 states have internal predecessors, (20094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20094 transitions. [2023-11-29 06:14:34,046 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20094 transitions. Word has length 73 [2023-11-29 06:14:34,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:34,046 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20094 transitions. [2023-11-29 06:14:34,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20094 transitions. [2023-11-29 06:14:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 06:14:34,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:34,048 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] [2023-11-29 06:14:34,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 06:14:34,048 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:34,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:34,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1330912566, now seen corresponding path program 1 times [2023-11-29 06:14:34,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:34,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183817419] [2023-11-29 06:14:34,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:34,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:34,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:34,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183817419] [2023-11-29 06:14:34,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183817419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:34,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:34,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:34,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340681337] [2023-11-29 06:14:34,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:34,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:34,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:34,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:34,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:34,368 INFO L87 Difference]: Start difference. First operand 14075 states and 20094 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:36,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:36,021 INFO L93 Difference]: Finished difference Result 21305 states and 30376 transitions. [2023-11-29 06:14:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:14:36,021 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 06:14:36,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:36,039 INFO L225 Difference]: With dead ends: 21305 [2023-11-29 06:14:36,039 INFO L226 Difference]: Without dead ends: 21094 [2023-11-29 06:14:36,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:14:36,044 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 4582 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 3199 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4582 SdHoareTripleChecker+Valid, 4432 SdHoareTripleChecker+Invalid, 3214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:36,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4582 Valid, 4432 Invalid, 3214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3199 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 06:14:36,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21094 states. [2023-11-29 06:14:36,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21094 to 14075. [2023-11-29 06:14:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.4282769405743532) internal successors, (20093), 14074 states have internal predecessors, (20093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20093 transitions. [2023-11-29 06:14:36,221 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20093 transitions. Word has length 73 [2023-11-29 06:14:36,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:36,222 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20093 transitions. [2023-11-29 06:14:36,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20093 transitions. [2023-11-29 06:14:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 06:14:36,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:36,223 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] [2023-11-29 06:14:36,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 06:14:36,224 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:36,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:36,224 INFO L85 PathProgramCache]: Analyzing trace with hash -24596204, now seen corresponding path program 1 times [2023-11-29 06:14:36,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:36,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951326509] [2023-11-29 06:14:36,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:36,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:36,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:36,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951326509] [2023-11-29 06:14:36,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951326509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:36,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:36,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:36,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459112211] [2023-11-29 06:14:36,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:36,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:36,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:36,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:36,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:36,472 INFO L87 Difference]: Start difference. First operand 14075 states and 20093 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:38,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:38,022 INFO L93 Difference]: Finished difference Result 18455 states and 26164 transitions. [2023-11-29 06:14:38,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:14:38,023 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 06:14:38,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:38,038 INFO L225 Difference]: With dead ends: 18455 [2023-11-29 06:14:38,038 INFO L226 Difference]: Without dead ends: 18222 [2023-11-29 06:14:38,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:14:38,042 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 5205 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5205 SdHoareTripleChecker+Valid, 3889 SdHoareTripleChecker+Invalid, 2982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:38,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5205 Valid, 3889 Invalid, 2982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:14:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18222 states. [2023-11-29 06:14:38,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18222 to 14075. [2023-11-29 06:14:38,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.4282058572647143) internal successors, (20092), 14074 states have internal predecessors, (20092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:38,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20092 transitions. [2023-11-29 06:14:38,212 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20092 transitions. Word has length 73 [2023-11-29 06:14:38,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:38,212 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20092 transitions. [2023-11-29 06:14:38,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20092 transitions. [2023-11-29 06:14:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 06:14:38,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:38,214 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] [2023-11-29 06:14:38,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 06:14:38,214 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:38,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:38,215 INFO L85 PathProgramCache]: Analyzing trace with hash -355580974, now seen corresponding path program 1 times [2023-11-29 06:14:38,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:38,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356990836] [2023-11-29 06:14:38,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:38,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:38,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:38,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356990836] [2023-11-29 06:14:38,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356990836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:38,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:38,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:38,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906657515] [2023-11-29 06:14:38,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:38,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:38,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:38,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:38,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:38,412 INFO L87 Difference]: Start difference. First operand 14075 states and 20092 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:39,811 INFO L93 Difference]: Finished difference Result 18455 states and 26163 transitions. [2023-11-29 06:14:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:14:39,812 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 06:14:39,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:39,825 INFO L225 Difference]: With dead ends: 18455 [2023-11-29 06:14:39,825 INFO L226 Difference]: Without dead ends: 18222 [2023-11-29 06:14:39,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:14:39,829 INFO L413 NwaCegarLoop]: 979 mSDtfsCounter, 5195 mSDsluCounter, 2970 mSDsCounter, 0 mSdLazyCounter, 3035 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5195 SdHoareTripleChecker+Valid, 3949 SdHoareTripleChecker+Invalid, 3053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 3035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:39,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5195 Valid, 3949 Invalid, 3053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 3035 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:14:39,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18222 states. [2023-11-29 06:14:39,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18222 to 14075. [2023-11-29 06:14:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.4281347739550754) internal successors, (20091), 14074 states have internal predecessors, (20091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20091 transitions. [2023-11-29 06:14:40,003 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20091 transitions. Word has length 73 [2023-11-29 06:14:40,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:40,003 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20091 transitions. [2023-11-29 06:14:40,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20091 transitions. [2023-11-29 06:14:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 06:14:40,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:40,005 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] [2023-11-29 06:14:40,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 06:14:40,005 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:40,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:40,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1699162345, now seen corresponding path program 1 times [2023-11-29 06:14:40,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:40,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9987887] [2023-11-29 06:14:40,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:40,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:40,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9987887] [2023-11-29 06:14:40,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9987887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:40,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:40,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:40,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517875220] [2023-11-29 06:14:40,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:40,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:40,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:40,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:40,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:40,245 INFO L87 Difference]: Start difference. First operand 14075 states and 20091 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:41,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:41,820 INFO L93 Difference]: Finished difference Result 21305 states and 30373 transitions. [2023-11-29 06:14:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:14:41,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 06:14:41,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:41,838 INFO L225 Difference]: With dead ends: 21305 [2023-11-29 06:14:41,838 INFO L226 Difference]: Without dead ends: 21094 [2023-11-29 06:14:41,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:14:41,843 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 4567 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 3248 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4567 SdHoareTripleChecker+Valid, 4621 SdHoareTripleChecker+Invalid, 3263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:41,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4567 Valid, 4621 Invalid, 3263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3248 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 06:14:41,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21094 states. [2023-11-29 06:14:41,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21094 to 14075. [2023-11-29 06:14:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.4280636906454365) internal successors, (20090), 14074 states have internal predecessors, (20090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20090 transitions. [2023-11-29 06:14:42,014 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20090 transitions. Word has length 73 [2023-11-29 06:14:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:42,014 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20090 transitions. [2023-11-29 06:14:42,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20090 transitions. [2023-11-29 06:14:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 06:14:42,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:42,016 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] [2023-11-29 06:14:42,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 06:14:42,016 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:42,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:42,016 INFO L85 PathProgramCache]: Analyzing trace with hash 683575830, now seen corresponding path program 1 times [2023-11-29 06:14:42,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:42,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225731185] [2023-11-29 06:14:42,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:42,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:42,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:42,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225731185] [2023-11-29 06:14:42,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225731185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:42,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:42,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:14:42,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480131480] [2023-11-29 06:14:42,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:42,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:14:42,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:42,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:14:42,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:14:42,263 INFO L87 Difference]: Start difference. First operand 14075 states and 20090 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:43,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:43,779 INFO L93 Difference]: Finished difference Result 18441 states and 26164 transitions. [2023-11-29 06:14:43,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:14:43,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 06:14:43,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:43,794 INFO L225 Difference]: With dead ends: 18441 [2023-11-29 06:14:43,794 INFO L226 Difference]: Without dead ends: 18230 [2023-11-29 06:14:43,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:14:43,799 INFO L413 NwaCegarLoop]: 960 mSDtfsCounter, 5414 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 2865 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5414 SdHoareTripleChecker+Valid, 3907 SdHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:43,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5414 Valid, 3907 Invalid, 2881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2865 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:14:43,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18230 states. [2023-11-29 06:14:43,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18230 to 14075. [2023-11-29 06:14:43,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.4279926073357976) internal successors, (20089), 14074 states have internal predecessors, (20089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20089 transitions. [2023-11-29 06:14:43,960 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20089 transitions. Word has length 73 [2023-11-29 06:14:43,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:43,960 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20089 transitions. [2023-11-29 06:14:43,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20089 transitions. [2023-11-29 06:14:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 06:14:43,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:43,962 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] [2023-11-29 06:14:43,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 06:14:43,962 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:43,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:43,962 INFO L85 PathProgramCache]: Analyzing trace with hash -754020984, now seen corresponding path program 1 times [2023-11-29 06:14:43,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:43,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231854556] [2023-11-29 06:14:43,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:43,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:44,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:44,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231854556] [2023-11-29 06:14:44,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231854556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:44,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:44,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:44,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76533916] [2023-11-29 06:14:44,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:44,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:44,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:44,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:44,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:44,032 INFO L87 Difference]: Start difference. First operand 14075 states and 20089 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:44,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:44,156 INFO L93 Difference]: Finished difference Result 32741 states and 47422 transitions. [2023-11-29 06:14:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:44,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-11-29 06:14:44,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:44,172 INFO L225 Difference]: With dead ends: 32741 [2023-11-29 06:14:44,172 INFO L226 Difference]: Without dead ends: 20416 [2023-11-29 06:14:44,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:44,180 INFO L413 NwaCegarLoop]: 1413 mSDtfsCounter, 858 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:44,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1999 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:44,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20416 states. [2023-11-29 06:14:44,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20416 to 16402. [2023-11-29 06:14:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16402 states, 16395 states have (on average 1.422201890820372) internal successors, (23317), 16401 states have internal predecessors, (23317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16402 states to 16402 states and 23317 transitions. [2023-11-29 06:14:44,356 INFO L78 Accepts]: Start accepts. Automaton has 16402 states and 23317 transitions. Word has length 74 [2023-11-29 06:14:44,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:44,356 INFO L495 AbstractCegarLoop]: Abstraction has 16402 states and 23317 transitions. [2023-11-29 06:14:44,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 16402 states and 23317 transitions. [2023-11-29 06:14:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 06:14:44,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:44,358 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] [2023-11-29 06:14:44,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 06:14:44,358 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:44,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:44,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1506470067, now seen corresponding path program 1 times [2023-11-29 06:14:44,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:44,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099156144] [2023-11-29 06:14:44,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:44,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:44,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:44,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099156144] [2023-11-29 06:14:44,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099156144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:44,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:44,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:14:44,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257868936] [2023-11-29 06:14:44,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:44,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:14:44,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:44,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:14:44,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:14:44,968 INFO L87 Difference]: Start difference. First operand 16402 states and 23317 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:46,114 INFO L93 Difference]: Finished difference Result 28104 states and 40018 transitions. [2023-11-29 06:14:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:14:46,114 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-29 06:14:46,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:46,140 INFO L225 Difference]: With dead ends: 28104 [2023-11-29 06:14:46,140 INFO L226 Difference]: Without dead ends: 28034 [2023-11-29 06:14:46,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:14:46,147 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 8290 mSDsluCounter, 6502 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8290 SdHoareTripleChecker+Valid, 7955 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:46,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8290 Valid, 7955 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:14:46,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28034 states. [2023-11-29 06:14:46,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28034 to 16398. [2023-11-29 06:14:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16398 states, 16392 states have (on average 1.422157149829185) internal successors, (23312), 16397 states have internal predecessors, (23312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16398 states to 16398 states and 23312 transitions. [2023-11-29 06:14:46,362 INFO L78 Accepts]: Start accepts. Automaton has 16398 states and 23312 transitions. Word has length 76 [2023-11-29 06:14:46,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:46,362 INFO L495 AbstractCegarLoop]: Abstraction has 16398 states and 23312 transitions. [2023-11-29 06:14:46,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 16398 states and 23312 transitions. [2023-11-29 06:14:46,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 06:14:46,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:46,364 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] [2023-11-29 06:14:46,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 06:14:46,365 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:46,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:46,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1520723396, now seen corresponding path program 1 times [2023-11-29 06:14:46,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:46,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827815159] [2023-11-29 06:14:46,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:46,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:46,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:46,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827815159] [2023-11-29 06:14:46,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827815159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:46,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:46,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:14:46,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607775169] [2023-11-29 06:14:46,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:46,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:14:46,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:46,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:14:46,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:14:46,888 INFO L87 Difference]: Start difference. First operand 16398 states and 23312 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:48,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:48,147 INFO L93 Difference]: Finished difference Result 28102 states and 40015 transitions. [2023-11-29 06:14:48,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:14:48,148 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-29 06:14:48,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:48,169 INFO L225 Difference]: With dead ends: 28102 [2023-11-29 06:14:48,169 INFO L226 Difference]: Without dead ends: 28032 [2023-11-29 06:14:48,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:14:48,175 INFO L413 NwaCegarLoop]: 1610 mSDtfsCounter, 7031 mSDsluCounter, 7619 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7031 SdHoareTripleChecker+Valid, 9229 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:48,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7031 Valid, 9229 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:14:48,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28032 states. [2023-11-29 06:14:48,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28032 to 16394. [2023-11-29 06:14:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16394 states, 16389 states have (on average 1.4221123924583563) internal successors, (23307), 16393 states have internal predecessors, (23307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16394 states to 16394 states and 23307 transitions. [2023-11-29 06:14:48,372 INFO L78 Accepts]: Start accepts. Automaton has 16394 states and 23307 transitions. Word has length 76 [2023-11-29 06:14:48,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:48,372 INFO L495 AbstractCegarLoop]: Abstraction has 16394 states and 23307 transitions. [2023-11-29 06:14:48,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 16394 states and 23307 transitions. [2023-11-29 06:14:48,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 06:14:48,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:48,374 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] [2023-11-29 06:14:48,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 06:14:48,374 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:48,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:48,374 INFO L85 PathProgramCache]: Analyzing trace with hash -256912275, now seen corresponding path program 1 times [2023-11-29 06:14:48,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:48,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822147795] [2023-11-29 06:14:48,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:48,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:49,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:49,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822147795] [2023-11-29 06:14:49,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822147795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:49,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:49,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:14:49,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864256815] [2023-11-29 06:14:49,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:49,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:14:49,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:49,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:14:49,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:14:49,399 INFO L87 Difference]: Start difference. First operand 16394 states and 23307 transitions. Second operand has 21 states, 21 states have (on average 3.619047619047619) internal successors, (76), 21 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:54,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:54,233 INFO L93 Difference]: Finished difference Result 37430 states and 53083 transitions. [2023-11-29 06:14:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 06:14:54,233 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.619047619047619) internal successors, (76), 21 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-29 06:14:54,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:54,262 INFO L225 Difference]: With dead ends: 37430 [2023-11-29 06:14:54,262 INFO L226 Difference]: Without dead ends: 37353 [2023-11-29 06:14:54,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=241, Invalid=1091, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 06:14:54,270 INFO L413 NwaCegarLoop]: 1582 mSDtfsCounter, 10942 mSDsluCounter, 16803 mSDsCounter, 0 mSdLazyCounter, 6616 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10942 SdHoareTripleChecker+Valid, 18385 SdHoareTripleChecker+Invalid, 6640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:54,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10942 Valid, 18385 Invalid, 6640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 6616 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 06:14:54,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37353 states. [2023-11-29 06:14:54,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37353 to 16412. [2023-11-29 06:14:54,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16412 states, 16407 states have (on average 1.4218930944109223) internal successors, (23329), 16411 states have internal predecessors, (23329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16412 states to 16412 states and 23329 transitions. [2023-11-29 06:14:54,548 INFO L78 Accepts]: Start accepts. Automaton has 16412 states and 23329 transitions. Word has length 76 [2023-11-29 06:14:54,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:54,549 INFO L495 AbstractCegarLoop]: Abstraction has 16412 states and 23329 transitions. [2023-11-29 06:14:54,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.619047619047619) internal successors, (76), 21 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 16412 states and 23329 transitions. [2023-11-29 06:14:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 06:14:54,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:54,550 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] [2023-11-29 06:14:54,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 06:14:54,551 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:54,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash -949630122, now seen corresponding path program 1 times [2023-11-29 06:14:54,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:54,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608208589] [2023-11-29 06:14:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:54,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:54,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608208589] [2023-11-29 06:14:54,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608208589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:54,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:54,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 06:14:54,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866037414] [2023-11-29 06:14:54,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:54,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:14:54,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:54,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:14:54,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:14:54,952 INFO L87 Difference]: Start difference. First operand 16412 states and 23329 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:55,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:55,883 INFO L93 Difference]: Finished difference Result 28129 states and 40038 transitions. [2023-11-29 06:14:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:14:55,884 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-29 06:14:55,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:55,911 INFO L225 Difference]: With dead ends: 28129 [2023-11-29 06:14:55,911 INFO L226 Difference]: Without dead ends: 27985 [2023-11-29 06:14:55,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:14:55,917 INFO L413 NwaCegarLoop]: 1364 mSDtfsCounter, 7270 mSDsluCounter, 3100 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7270 SdHoareTripleChecker+Valid, 4464 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:55,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7270 Valid, 4464 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:14:55,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27985 states. [2023-11-29 06:14:56,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27985 to 16334. [2023-11-29 06:14:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16334 states, 16332 states have (on average 1.4222997795738428) internal successors, (23229), 16333 states have internal predecessors, (23229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16334 states to 16334 states and 23229 transitions. [2023-11-29 06:14:56,131 INFO L78 Accepts]: Start accepts. Automaton has 16334 states and 23229 transitions. Word has length 76 [2023-11-29 06:14:56,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:56,131 INFO L495 AbstractCegarLoop]: Abstraction has 16334 states and 23229 transitions. [2023-11-29 06:14:56,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 16334 states and 23229 transitions. [2023-11-29 06:14:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 06:14:56,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:56,134 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] [2023-11-29 06:14:56,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 06:14:56,134 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:56,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1694269332, now seen corresponding path program 1 times [2023-11-29 06:14:56,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:56,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493528486] [2023-11-29 06:14:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:56,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:56,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:56,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493528486] [2023-11-29 06:14:56,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493528486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:56,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:56,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:14:56,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958237746] [2023-11-29 06:14:56,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:56,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:14:56,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:56,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:14:56,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:14:56,683 INFO L87 Difference]: Start difference. First operand 16334 states and 23229 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:57,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:57,578 INFO L93 Difference]: Finished difference Result 24187 states and 34424 transitions. [2023-11-29 06:14:57,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:14:57,578 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-11-29 06:14:57,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:57,599 INFO L225 Difference]: With dead ends: 24187 [2023-11-29 06:14:57,599 INFO L226 Difference]: Without dead ends: 24100 [2023-11-29 06:14:57,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:14:57,604 INFO L413 NwaCegarLoop]: 1369 mSDtfsCounter, 5413 mSDsluCounter, 6698 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5413 SdHoareTripleChecker+Valid, 8067 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:57,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5413 Valid, 8067 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:14:57,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24100 states. [2023-11-29 06:14:57,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24100 to 16300. [2023-11-29 06:14:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16300 states, 16299 states have (on average 1.422479906742745) internal successors, (23185), 16299 states have internal predecessors, (23185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16300 states to 16300 states and 23185 transitions. [2023-11-29 06:14:57,792 INFO L78 Accepts]: Start accepts. Automaton has 16300 states and 23185 transitions. Word has length 77 [2023-11-29 06:14:57,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:57,792 INFO L495 AbstractCegarLoop]: Abstraction has 16300 states and 23185 transitions. [2023-11-29 06:14:57,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 16300 states and 23185 transitions. [2023-11-29 06:14:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 06:14:57,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:57,795 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] [2023-11-29 06:14:57,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 06:14:57,795 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:57,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:57,796 INFO L85 PathProgramCache]: Analyzing trace with hash -485704557, now seen corresponding path program 1 times [2023-11-29 06:14:57,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:57,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23686102] [2023-11-29 06:14:57,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:57,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:57,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:57,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23686102] [2023-11-29 06:14:57,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23686102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:57,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:57,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:14:57,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938331377] [2023-11-29 06:14:57,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:57,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:14:57,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:57,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:14:57,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:14:57,932 INFO L87 Difference]: Start difference. First operand 16300 states and 23185 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:58,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:58,200 INFO L93 Difference]: Finished difference Result 61658 states and 88506 transitions. [2023-11-29 06:14:58,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:14:58,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-29 06:14:58,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:58,240 INFO L225 Difference]: With dead ends: 61658 [2023-11-29 06:14:58,241 INFO L226 Difference]: Without dead ends: 46808 [2023-11-29 06:14:58,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:14:58,258 INFO L413 NwaCegarLoop]: 1226 mSDtfsCounter, 4555 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4555 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:58,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4555 Valid, 2681 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46808 states. [2023-11-29 06:14:58,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46808 to 30332. [2023-11-29 06:14:58,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30332 states, 30331 states have (on average 1.4158781444726518) internal successors, (42945), 30331 states have internal predecessors, (42945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30332 states to 30332 states and 42945 transitions. [2023-11-29 06:14:58,695 INFO L78 Accepts]: Start accepts. Automaton has 30332 states and 42945 transitions. Word has length 83 [2023-11-29 06:14:58,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:58,695 INFO L495 AbstractCegarLoop]: Abstraction has 30332 states and 42945 transitions. [2023-11-29 06:14:58,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 30332 states and 42945 transitions. [2023-11-29 06:14:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 06:14:58,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:58,699 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] [2023-11-29 06:14:58,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 06:14:58,699 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:58,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:58,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1585660370, now seen corresponding path program 1 times [2023-11-29 06:14:58,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:58,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945491723] [2023-11-29 06:14:58,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:58,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:58,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:58,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945491723] [2023-11-29 06:14:58,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945491723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:58,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:58,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:14:58,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501644634] [2023-11-29 06:14:58,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:58,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:14:58,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:58,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:14:58,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:14:58,830 INFO L87 Difference]: Start difference. First operand 30332 states and 42945 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:59,091 INFO L93 Difference]: Finished difference Result 50964 states and 72215 transitions. [2023-11-29 06:14:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:14:59,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-11-29 06:14:59,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:59,111 INFO L225 Difference]: With dead ends: 50964 [2023-11-29 06:14:59,111 INFO L226 Difference]: Without dead ends: 22070 [2023-11-29 06:14:59,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:14:59,124 INFO L413 NwaCegarLoop]: 1220 mSDtfsCounter, 2530 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2530 SdHoareTripleChecker+Valid, 2036 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:59,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2530 Valid, 2036 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:59,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22070 states. [2023-11-29 06:14:59,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22070 to 22064. [2023-11-29 06:14:59,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22064 states, 22063 states have (on average 1.4020758736345917) internal successors, (30934), 22063 states have internal predecessors, (30934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22064 states to 22064 states and 30934 transitions. [2023-11-29 06:14:59,341 INFO L78 Accepts]: Start accepts. Automaton has 22064 states and 30934 transitions. Word has length 84 [2023-11-29 06:14:59,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:14:59,341 INFO L495 AbstractCegarLoop]: Abstraction has 22064 states and 30934 transitions. [2023-11-29 06:14:59,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 22064 states and 30934 transitions. [2023-11-29 06:14:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 06:14:59,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:14:59,344 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] [2023-11-29 06:14:59,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 06:14:59,345 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:14:59,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:59,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1981973489, now seen corresponding path program 1 times [2023-11-29 06:14:59,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:59,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053478531] [2023-11-29 06:14:59,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:59,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:59,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:59,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053478531] [2023-11-29 06:14:59,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053478531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:59,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:59,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:14:59,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646774466] [2023-11-29 06:14:59,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:59,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:59,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:59,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:59,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:59,465 INFO L87 Difference]: Start difference. First operand 22064 states and 30934 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:59,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:14:59,645 INFO L93 Difference]: Finished difference Result 61862 states and 87112 transitions. [2023-11-29 06:14:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:59,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-11-29 06:14:59,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:14:59,681 INFO L225 Difference]: With dead ends: 61862 [2023-11-29 06:14:59,681 INFO L226 Difference]: Without dead ends: 41236 [2023-11-29 06:14:59,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:59,695 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 746 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:14:59,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 1787 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:14:59,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41236 states. [2023-11-29 06:15:00,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41236 to 39282. [2023-11-29 06:15:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39282 states, 39281 states have (on average 1.3975204297242942) internal successors, (54896), 39281 states have internal predecessors, (54896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39282 states to 39282 states and 54896 transitions. [2023-11-29 06:15:00,260 INFO L78 Accepts]: Start accepts. Automaton has 39282 states and 54896 transitions. Word has length 86 [2023-11-29 06:15:00,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:00,260 INFO L495 AbstractCegarLoop]: Abstraction has 39282 states and 54896 transitions. [2023-11-29 06:15:00,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 39282 states and 54896 transitions. [2023-11-29 06:15:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 06:15:00,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:00,264 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] [2023-11-29 06:15:00,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 06:15:00,264 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:00,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash -999685639, now seen corresponding path program 1 times [2023-11-29 06:15:00,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:00,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840060238] [2023-11-29 06:15:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:00,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:00,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840060238] [2023-11-29 06:15:00,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840060238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:00,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:00,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:15:00,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656722511] [2023-11-29 06:15:00,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:00,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:15:00,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:00,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:15:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:00,405 INFO L87 Difference]: Start difference. First operand 39282 states and 54896 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:00,761 INFO L93 Difference]: Finished difference Result 112062 states and 156642 transitions. [2023-11-29 06:15:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:15:00,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-11-29 06:15:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:00,846 INFO L225 Difference]: With dead ends: 112062 [2023-11-29 06:15:00,846 INFO L226 Difference]: Without dead ends: 74218 [2023-11-29 06:15:00,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:00,872 INFO L413 NwaCegarLoop]: 1259 mSDtfsCounter, 604 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:00,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 1885 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:15:00,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74218 states. [2023-11-29 06:15:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74218 to 70312. [2023-11-29 06:15:01,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70312 states, 70311 states have (on average 1.3869238099301675) internal successors, (97516), 70311 states have internal predecessors, (97516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70312 states to 70312 states and 97516 transitions. [2023-11-29 06:15:01,740 INFO L78 Accepts]: Start accepts. Automaton has 70312 states and 97516 transitions. Word has length 87 [2023-11-29 06:15:01,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:01,741 INFO L495 AbstractCegarLoop]: Abstraction has 70312 states and 97516 transitions. [2023-11-29 06:15:01,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 70312 states and 97516 transitions. [2023-11-29 06:15:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 06:15:01,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:01,743 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] [2023-11-29 06:15:01,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 06:15:01,744 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:01,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:01,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2030644965, now seen corresponding path program 1 times [2023-11-29 06:15:01,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:01,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878161170] [2023-11-29 06:15:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:01,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:01,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:01,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878161170] [2023-11-29 06:15:01,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878161170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:01,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:01,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:01,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184747512] [2023-11-29 06:15:01,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:01,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:15:01,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:01,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:15:01,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:15:01,941 INFO L87 Difference]: Start difference. First operand 70312 states and 97516 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:02,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:02,370 INFO L93 Difference]: Finished difference Result 147178 states and 201997 transitions. [2023-11-29 06:15:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:15:02,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-11-29 06:15:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:02,506 INFO L225 Difference]: With dead ends: 147178 [2023-11-29 06:15:02,506 INFO L226 Difference]: Without dead ends: 147176 [2023-11-29 06:15:02,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:15:02,534 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 1299 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 5250 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:02,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 5250 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:15:02,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147176 states. [2023-11-29 06:15:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147176 to 74512. [2023-11-29 06:15:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74512 states, 74511 states have (on average 1.3651138758035726) internal successors, (101716), 74511 states have internal predecessors, (101716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74512 states to 74512 states and 101716 transitions. [2023-11-29 06:15:03,933 INFO L78 Accepts]: Start accepts. Automaton has 74512 states and 101716 transitions. Word has length 90 [2023-11-29 06:15:03,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:03,933 INFO L495 AbstractCegarLoop]: Abstraction has 74512 states and 101716 transitions. [2023-11-29 06:15:03,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 74512 states and 101716 transitions. [2023-11-29 06:15:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 06:15:03,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:03,936 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] [2023-11-29 06:15:03,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 06:15:03,936 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:03,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:03,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1373049890, now seen corresponding path program 1 times [2023-11-29 06:15:03,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:03,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524715865] [2023-11-29 06:15:03,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:03,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:04,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:04,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524715865] [2023-11-29 06:15:04,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524715865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:04,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:04,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:15:04,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520890245] [2023-11-29 06:15:04,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:04,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:15:04,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:04,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:15:04,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:04,003 INFO L87 Difference]: Start difference. First operand 74512 states and 101716 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:04,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:04,895 INFO L93 Difference]: Finished difference Result 209257 states and 285403 transitions. [2023-11-29 06:15:04,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:15:04,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-11-29 06:15:04,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:05,038 INFO L225 Difference]: With dead ends: 209257 [2023-11-29 06:15:05,038 INFO L226 Difference]: Without dead ends: 136183 [2023-11-29 06:15:05,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:05,060 INFO L413 NwaCegarLoop]: 1214 mSDtfsCounter, 612 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:05,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 1873 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:15:05,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136183 states. [2023-11-29 06:15:06,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136183 to 136181. [2023-11-29 06:15:06,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136181 states, 136180 states have (on average 1.3508077544426493) internal successors, (183953), 136180 states have internal predecessors, (183953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136181 states to 136181 states and 183953 transitions. [2023-11-29 06:15:06,961 INFO L78 Accepts]: Start accepts. Automaton has 136181 states and 183953 transitions. Word has length 91 [2023-11-29 06:15:06,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:06,962 INFO L495 AbstractCegarLoop]: Abstraction has 136181 states and 183953 transitions. [2023-11-29 06:15:06,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 136181 states and 183953 transitions. [2023-11-29 06:15:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-29 06:15:06,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:06,965 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] [2023-11-29 06:15:06,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 06:15:06,965 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:06,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:06,966 INFO L85 PathProgramCache]: Analyzing trace with hash -99813908, now seen corresponding path program 1 times [2023-11-29 06:15:06,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:06,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47638975] [2023-11-29 06:15:06,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:06,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:07,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:07,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47638975] [2023-11-29 06:15:07,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47638975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:07,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:07,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:15:07,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774436285] [2023-11-29 06:15:07,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:07,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:15:07,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:07,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:15:07,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:07,065 INFO L87 Difference]: Start difference. First operand 136181 states and 183953 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:07,664 INFO L93 Difference]: Finished difference Result 165553 states and 223059 transitions. [2023-11-29 06:15:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:15:07,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-11-29 06:15:07,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:07,773 INFO L225 Difference]: With dead ends: 165553 [2023-11-29 06:15:07,774 INFO L226 Difference]: Without dead ends: 106793 [2023-11-29 06:15:07,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:15:07,789 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 471 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 2036 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:07,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 2036 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:15:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106793 states. [2023-11-29 06:15:08,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106793 to 106199. [2023-11-29 06:15:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106199 states, 106198 states have (on average 1.330203958643289) internal successors, (141265), 106198 states have internal predecessors, (141265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106199 states to 106199 states and 141265 transitions. [2023-11-29 06:15:09,254 INFO L78 Accepts]: Start accepts. Automaton has 106199 states and 141265 transitions. Word has length 92 [2023-11-29 06:15:09,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:09,254 INFO L495 AbstractCegarLoop]: Abstraction has 106199 states and 141265 transitions. [2023-11-29 06:15:09,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 106199 states and 141265 transitions. [2023-11-29 06:15:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 06:15:09,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:09,259 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] [2023-11-29 06:15:09,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 06:15:09,259 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:09,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash 2096756773, now seen corresponding path program 1 times [2023-11-29 06:15:09,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:09,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143720109] [2023-11-29 06:15:09,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:09,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:09,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:09,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143720109] [2023-11-29 06:15:09,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143720109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:09,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:09,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:09,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903068873] [2023-11-29 06:15:09,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:09,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:15:09,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:09,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:15:09,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:15:09,415 INFO L87 Difference]: Start difference. First operand 106199 states and 141265 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:10,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:10,228 INFO L93 Difference]: Finished difference Result 200357 states and 267258 transitions. [2023-11-29 06:15:10,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:15:10,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-11-29 06:15:10,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:10,423 INFO L225 Difference]: With dead ends: 200357 [2023-11-29 06:15:10,423 INFO L226 Difference]: Without dead ends: 169579 [2023-11-29 06:15:10,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:15:10,462 INFO L413 NwaCegarLoop]: 1276 mSDtfsCounter, 3394 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3394 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:10,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3394 Valid, 3330 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:15:10,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169579 states. [2023-11-29 06:15:12,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169579 to 133101. [2023-11-29 06:15:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133101 states, 133100 states have (on average 1.3270548459804659) internal successors, (176631), 133100 states have internal predecessors, (176631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133101 states to 133101 states and 176631 transitions. [2023-11-29 06:15:12,545 INFO L78 Accepts]: Start accepts. Automaton has 133101 states and 176631 transitions. Word has length 93 [2023-11-29 06:15:12,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:12,545 INFO L495 AbstractCegarLoop]: Abstraction has 133101 states and 176631 transitions. [2023-11-29 06:15:12,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 133101 states and 176631 transitions. [2023-11-29 06:15:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-29 06:15:12,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:12,549 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] [2023-11-29 06:15:12,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 06:15:12,550 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:12,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:12,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1325075428, now seen corresponding path program 1 times [2023-11-29 06:15:12,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:12,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171868861] [2023-11-29 06:15:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:12,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:12,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:12,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171868861] [2023-11-29 06:15:12,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171868861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:12,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:12,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:12,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228669379] [2023-11-29 06:15:12,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:12,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:15:12,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:12,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:15:12,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:15:12,680 INFO L87 Difference]: Start difference. First operand 133101 states and 176631 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:13,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:13,595 INFO L93 Difference]: Finished difference Result 217893 states and 290450 transitions. [2023-11-29 06:15:13,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:15:13,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-29 06:15:13,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:13,803 INFO L225 Difference]: With dead ends: 217893 [2023-11-29 06:15:13,803 INFO L226 Difference]: Without dead ends: 192035 [2023-11-29 06:15:13,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:15:13,845 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 3409 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3409 SdHoareTripleChecker+Valid, 3288 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:13,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 3288 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:15:13,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192035 states. [2023-11-29 06:15:16,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192035 to 155125. [2023-11-29 06:15:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155125 states, 155124 states have (on average 1.3268288594930506) internal successors, (205823), 155124 states have internal predecessors, (205823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155125 states to 155125 states and 205823 transitions. [2023-11-29 06:15:16,348 INFO L78 Accepts]: Start accepts. Automaton has 155125 states and 205823 transitions. Word has length 94 [2023-11-29 06:15:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:16,349 INFO L495 AbstractCegarLoop]: Abstraction has 155125 states and 205823 transitions. [2023-11-29 06:15:16,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 155125 states and 205823 transitions. [2023-11-29 06:15:16,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-29 06:15:16,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:16,352 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] [2023-11-29 06:15:16,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 06:15:16,352 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:16,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1249414222, now seen corresponding path program 1 times [2023-11-29 06:15:16,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:16,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423798053] [2023-11-29 06:15:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:16,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:16,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423798053] [2023-11-29 06:15:16,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423798053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:16,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:16,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:16,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621010066] [2023-11-29 06:15:16,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:16,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:15:16,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:16,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:15:16,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:15:16,478 INFO L87 Difference]: Start difference. First operand 155125 states and 205823 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:17,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:17,421 INFO L93 Difference]: Finished difference Result 234997 states and 312626 transitions. [2023-11-29 06:15:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:15:17,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-29 06:15:17,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:17,667 INFO L225 Difference]: With dead ends: 234997 [2023-11-29 06:15:17,667 INFO L226 Difference]: Without dead ends: 204219 [2023-11-29 06:15:17,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:15:17,705 INFO L413 NwaCegarLoop]: 1282 mSDtfsCounter, 3496 mSDsluCounter, 1771 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:17,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 3053 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:15:17,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204219 states. [2023-11-29 06:15:19,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204219 to 182027. [2023-11-29 06:15:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182027 states, 182026 states have (on average 1.3250249964290817) internal successors, (241189), 182026 states have internal predecessors, (241189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182027 states to 182027 states and 241189 transitions. [2023-11-29 06:15:20,033 INFO L78 Accepts]: Start accepts. Automaton has 182027 states and 241189 transitions. Word has length 94 [2023-11-29 06:15:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:20,033 INFO L495 AbstractCegarLoop]: Abstraction has 182027 states and 241189 transitions. [2023-11-29 06:15:20,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 182027 states and 241189 transitions. [2023-11-29 06:15:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 06:15:20,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:20,038 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] [2023-11-29 06:15:20,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 06:15:20,039 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:20,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:20,039 INFO L85 PathProgramCache]: Analyzing trace with hash -2024884009, now seen corresponding path program 1 times [2023-11-29 06:15:20,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:20,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34499097] [2023-11-29 06:15:20,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:20,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:20,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:20,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34499097] [2023-11-29 06:15:20,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34499097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:20,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:20,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:20,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388371074] [2023-11-29 06:15:20,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:20,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:15:20,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:20,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:15:20,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:15:20,201 INFO L87 Difference]: Start difference. First operand 182027 states and 241189 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:21,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:21,264 INFO L93 Difference]: Finished difference Result 262149 states and 347954 transitions. [2023-11-29 06:15:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:15:21,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-11-29 06:15:21,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:21,547 INFO L225 Difference]: With dead ends: 262149 [2023-11-29 06:15:21,547 INFO L226 Difference]: Without dead ends: 231227 [2023-11-29 06:15:21,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:15:21,600 INFO L413 NwaCegarLoop]: 1327 mSDtfsCounter, 3298 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:21,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 3209 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:15:21,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231227 states. [2023-11-29 06:15:24,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231227 to 209035. [2023-11-29 06:15:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209035 states, 209034 states have (on average 1.3229474630921285) internal successors, (276541), 209034 states have internal predecessors, (276541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209035 states to 209035 states and 276541 transitions. [2023-11-29 06:15:24,658 INFO L78 Accepts]: Start accepts. Automaton has 209035 states and 276541 transitions. Word has length 95 [2023-11-29 06:15:24,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:24,658 INFO L495 AbstractCegarLoop]: Abstraction has 209035 states and 276541 transitions. [2023-11-29 06:15:24,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 209035 states and 276541 transitions. [2023-11-29 06:15:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-29 06:15:24,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:24,664 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] [2023-11-29 06:15:24,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 06:15:24,664 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:24,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:24,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1233078505, now seen corresponding path program 1 times [2023-11-29 06:15:24,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:24,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953584418] [2023-11-29 06:15:24,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:24,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:24,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:24,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953584418] [2023-11-29 06:15:24,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953584418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:24,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:24,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:24,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142202564] [2023-11-29 06:15:24,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:24,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:15:24,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:24,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:15:24,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:15:24,832 INFO L87 Difference]: Start difference. First operand 209035 states and 276541 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:28,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:28,387 INFO L93 Difference]: Finished difference Result 818896 states and 1080456 transitions. [2023-11-29 06:15:28,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:15:28,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-29 06:15:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:29,307 INFO L225 Difference]: With dead ends: 818896 [2023-11-29 06:15:29,307 INFO L226 Difference]: Without dead ends: 708430 [2023-11-29 06:15:29,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:15:29,452 INFO L413 NwaCegarLoop]: 730 mSDtfsCounter, 5997 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5997 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:29,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5997 Valid, 1669 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 06:15:29,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708430 states. [2023-11-29 06:15:34,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708430 to 290347. [2023-11-29 06:15:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290347 states, 290346 states have (on average 1.322411880997155) internal successors, (383957), 290346 states have internal predecessors, (383957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290347 states to 290347 states and 383957 transitions. [2023-11-29 06:15:35,480 INFO L78 Accepts]: Start accepts. Automaton has 290347 states and 383957 transitions. Word has length 96 [2023-11-29 06:15:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:35,480 INFO L495 AbstractCegarLoop]: Abstraction has 290347 states and 383957 transitions. [2023-11-29 06:15:35,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 290347 states and 383957 transitions. [2023-11-29 06:15:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 06:15:35,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:35,484 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] [2023-11-29 06:15:35,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 06:15:35,484 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:35,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:35,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2014993651, now seen corresponding path program 1 times [2023-11-29 06:15:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:35,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838679927] [2023-11-29 06:15:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:35,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:35,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:35,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838679927] [2023-11-29 06:15:35,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838679927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:35,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:35,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:35,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017392302] [2023-11-29 06:15:35,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:35,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:15:35,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:35,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:15:35,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:15:35,646 INFO L87 Difference]: Start difference. First operand 290347 states and 383957 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:37,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:37,086 INFO L93 Difference]: Finished difference Result 406571 states and 538817 transitions. [2023-11-29 06:15:37,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:15:37,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-29 06:15:37,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:37,452 INFO L225 Difference]: With dead ends: 406571 [2023-11-29 06:15:37,452 INFO L226 Difference]: Without dead ends: 324313 [2023-11-29 06:15:37,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:15:37,514 INFO L413 NwaCegarLoop]: 1300 mSDtfsCounter, 3519 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3519 SdHoareTripleChecker+Valid, 3026 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:37,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3519 Valid, 3026 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:15:37,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324313 states. [2023-11-29 06:15:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324313 to 289003. [2023-11-29 06:15:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289003 states, 289002 states have (on average 1.3208109286440923) internal successors, (381717), 289002 states have internal predecessors, (381717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289003 states to 289003 states and 381717 transitions. [2023-11-29 06:15:41,334 INFO L78 Accepts]: Start accepts. Automaton has 289003 states and 381717 transitions. Word has length 98 [2023-11-29 06:15:41,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:41,334 INFO L495 AbstractCegarLoop]: Abstraction has 289003 states and 381717 transitions. [2023-11-29 06:15:41,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 289003 states and 381717 transitions. [2023-11-29 06:15:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 06:15:41,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:41,338 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] [2023-11-29 06:15:41,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 06:15:41,338 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:41,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:41,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1252445637, now seen corresponding path program 1 times [2023-11-29 06:15:41,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:41,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043193221] [2023-11-29 06:15:41,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:41,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:42,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:42,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:42,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043193221] [2023-11-29 06:15:42,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043193221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:42,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:42,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:42,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251999627] [2023-11-29 06:15:42,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:42,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:15:42,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:42,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:15:42,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:15:42,035 INFO L87 Difference]: Start difference. First operand 289003 states and 381717 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:43,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:43,069 INFO L93 Difference]: Finished difference Result 398923 states and 527657 transitions. [2023-11-29 06:15:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:15:43,070 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-29 06:15:43,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:43,905 INFO L225 Difference]: With dead ends: 398923 [2023-11-29 06:15:43,905 INFO L226 Difference]: Without dead ends: 323089 [2023-11-29 06:15:43,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:15:43,972 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 3501 mSDsluCounter, 1784 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 3063 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:43,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3501 Valid, 3063 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:15:44,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323089 states. [2023-11-29 06:15:46,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323089 to 287779. [2023-11-29 06:15:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287779 states, 287778 states have (on average 1.319339907845631) internal successors, (379677), 287778 states have internal predecessors, (379677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287779 states to 287779 states and 379677 transitions. [2023-11-29 06:15:47,883 INFO L78 Accepts]: Start accepts. Automaton has 287779 states and 379677 transitions. Word has length 98 [2023-11-29 06:15:47,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:47,883 INFO L495 AbstractCegarLoop]: Abstraction has 287779 states and 379677 transitions. [2023-11-29 06:15:47,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 287779 states and 379677 transitions. [2023-11-29 06:15:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 06:15:47,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:47,887 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] [2023-11-29 06:15:47,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 06:15:47,887 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:47,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:47,887 INFO L85 PathProgramCache]: Analyzing trace with hash 447362521, now seen corresponding path program 1 times [2023-11-29 06:15:47,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:47,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420868418] [2023-11-29 06:15:47,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:47,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:48,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:48,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420868418] [2023-11-29 06:15:48,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420868418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:48,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:48,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:48,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920852275] [2023-11-29 06:15:48,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:48,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:15:48,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:48,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:15:48,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:15:48,013 INFO L87 Difference]: Start difference. First operand 287779 states and 379677 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:49,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:49,985 INFO L93 Difference]: Finished difference Result 333611 states and 438699 transitions. [2023-11-29 06:15:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:15:49,986 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-11-29 06:15:49,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:50,310 INFO L225 Difference]: With dead ends: 333611 [2023-11-29 06:15:50,310 INFO L226 Difference]: Without dead ends: 327545 [2023-11-29 06:15:50,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:15:50,336 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 5149 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5149 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:50,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5149 Valid, 1489 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:15:50,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327545 states. [2023-11-29 06:15:53,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327545 to 287775. [2023-11-29 06:15:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287775 states, 287774 states have (on average 1.3193304468089542) internal successors, (379669), 287774 states have internal predecessors, (379669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287775 states to 287775 states and 379669 transitions. [2023-11-29 06:15:54,157 INFO L78 Accepts]: Start accepts. Automaton has 287775 states and 379669 transitions. Word has length 99 [2023-11-29 06:15:54,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:15:54,158 INFO L495 AbstractCegarLoop]: Abstraction has 287775 states and 379669 transitions. [2023-11-29 06:15:54,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 287775 states and 379669 transitions. [2023-11-29 06:15:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 06:15:54,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:15:54,162 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] [2023-11-29 06:15:54,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-29 06:15:54,162 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:15:54,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:15:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1194642133, now seen corresponding path program 1 times [2023-11-29 06:15:54,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:15:54,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406084101] [2023-11-29 06:15:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:15:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:15:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:15:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:15:54,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:15:54,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406084101] [2023-11-29 06:15:54,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406084101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:15:54,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:15:54,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:15:54,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023599595] [2023-11-29 06:15:54,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:15:54,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:15:54,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:15:54,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:15:54,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:15:54,290 INFO L87 Difference]: Start difference. First operand 287775 states and 379669 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:15:56,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:15:56,401 INFO L93 Difference]: Finished difference Result 333607 states and 438691 transitions. [2023-11-29 06:15:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:15:56,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-11-29 06:15:56,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:15:56,778 INFO L225 Difference]: With dead ends: 333607 [2023-11-29 06:15:56,778 INFO L226 Difference]: Without dead ends: 327541 [2023-11-29 06:15:56,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:15:56,833 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 5123 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5123 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:15:56,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5123 Valid, 1498 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:15:57,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327541 states. [2023-11-29 06:16:00,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327541 to 287771. [2023-11-29 06:16:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287771 states, 287770 states have (on average 1.319320985509261) internal successors, (379661), 287770 states have internal predecessors, (379661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287771 states to 287771 states and 379661 transitions. [2023-11-29 06:16:00,585 INFO L78 Accepts]: Start accepts. Automaton has 287771 states and 379661 transitions. Word has length 99 [2023-11-29 06:16:00,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:00,585 INFO L495 AbstractCegarLoop]: Abstraction has 287771 states and 379661 transitions. [2023-11-29 06:16:00,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 287771 states and 379661 transitions. [2023-11-29 06:16:00,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 06:16:00,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:00,591 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] [2023-11-29 06:16:00,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-29 06:16:00,591 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:16:00,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:00,592 INFO L85 PathProgramCache]: Analyzing trace with hash -13353358, now seen corresponding path program 1 times [2023-11-29 06:16:00,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:00,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815874449] [2023-11-29 06:16:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:16:00,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:00,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815874449] [2023-11-29 06:16:00,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815874449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:00,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:00,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:16:00,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122647559] [2023-11-29 06:16:00,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:00,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:16:00,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:00,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:16:00,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:16:00,730 INFO L87 Difference]: Start difference. First operand 287771 states and 379661 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:02,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:02,809 INFO L93 Difference]: Finished difference Result 333571 states and 438611 transitions. [2023-11-29 06:16:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:16:02,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-11-29 06:16:02,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:03,162 INFO L225 Difference]: With dead ends: 333571 [2023-11-29 06:16:03,162 INFO L226 Difference]: Without dead ends: 327505 [2023-11-29 06:16:03,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:16:03,207 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 5099 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5099 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:03,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5099 Valid, 1512 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:16:03,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327505 states. [2023-11-29 06:16:06,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327505 to 287767. [2023-11-29 06:16:06,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287767 states, 287766 states have (on average 1.3193115239465398) internal successors, (379653), 287766 states have internal predecessors, (379653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287767 states to 287767 states and 379653 transitions. [2023-11-29 06:16:06,998 INFO L78 Accepts]: Start accepts. Automaton has 287767 states and 379653 transitions. Word has length 99 [2023-11-29 06:16:06,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:06,998 INFO L495 AbstractCegarLoop]: Abstraction has 287767 states and 379653 transitions. [2023-11-29 06:16:06,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 287767 states and 379653 transitions. [2023-11-29 06:16:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 06:16:07,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:07,002 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] [2023-11-29 06:16:07,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-29 06:16:07,002 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:16:07,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1980919278, now seen corresponding path program 1 times [2023-11-29 06:16:07,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:07,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500235255] [2023-11-29 06:16:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:07,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:16:07,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:07,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500235255] [2023-11-29 06:16:07,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500235255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:07,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:07,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:16:07,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737371596] [2023-11-29 06:16:07,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:07,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:16:07,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:07,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:16:07,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:16:07,151 INFO L87 Difference]: Start difference. First operand 287767 states and 379653 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:08,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:08,540 INFO L93 Difference]: Finished difference Result 397687 states and 525593 transitions. [2023-11-29 06:16:08,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:16:08,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-11-29 06:16:08,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:08,888 INFO L225 Difference]: With dead ends: 397687 [2023-11-29 06:16:08,888 INFO L226 Difference]: Without dead ends: 321853 [2023-11-29 06:16:08,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:16:08,948 INFO L413 NwaCegarLoop]: 1271 mSDtfsCounter, 3491 mSDsluCounter, 1757 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3491 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:08,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3491 Valid, 3028 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:16:09,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321853 states. [2023-11-29 06:16:12,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321853 to 286543. [2023-11-29 06:16:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286543 states, 286542 states have (on average 1.3178277529995603) internal successors, (377613), 286542 states have internal predecessors, (377613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286543 states to 286543 states and 377613 transitions. [2023-11-29 06:16:12,657 INFO L78 Accepts]: Start accepts. Automaton has 286543 states and 377613 transitions. Word has length 99 [2023-11-29 06:16:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:12,657 INFO L495 AbstractCegarLoop]: Abstraction has 286543 states and 377613 transitions. [2023-11-29 06:16:12,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 286543 states and 377613 transitions. [2023-11-29 06:16:12,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 06:16:12,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:12,662 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] [2023-11-29 06:16:12,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-29 06:16:12,662 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:16:12,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:12,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1633285806, now seen corresponding path program 1 times [2023-11-29 06:16:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:12,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493858205] [2023-11-29 06:16:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:12,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:16:12,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:12,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493858205] [2023-11-29 06:16:12,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493858205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:12,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:12,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:16:12,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814415982] [2023-11-29 06:16:12,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:12,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:16:12,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:12,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:16:12,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:16:12,788 INFO L87 Difference]: Start difference. First operand 286543 states and 377613 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:14,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:16:14,837 INFO L93 Difference]: Finished difference Result 323399 states and 424931 transitions. [2023-11-29 06:16:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:16:14,837 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2023-11-29 06:16:14,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:16:15,196 INFO L225 Difference]: With dead ends: 323399 [2023-11-29 06:16:15,196 INFO L226 Difference]: Without dead ends: 321853 [2023-11-29 06:16:15,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:16:15,243 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 5062 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5062 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:16:15,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5062 Valid, 1498 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:16:15,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321853 states. [2023-11-29 06:16:18,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321853 to 286539. [2023-11-29 06:16:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286539 states, 286538 states have (on average 1.3178182300427868) internal successors, (377605), 286538 states have internal predecessors, (377605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286539 states to 286539 states and 377605 transitions. [2023-11-29 06:16:19,054 INFO L78 Accepts]: Start accepts. Automaton has 286539 states and 377605 transitions. Word has length 100 [2023-11-29 06:16:19,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:16:19,054 INFO L495 AbstractCegarLoop]: Abstraction has 286539 states and 377605 transitions. [2023-11-29 06:16:19,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:16:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 286539 states and 377605 transitions. [2023-11-29 06:16:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 06:16:19,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:16:19,058 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] [2023-11-29 06:16:19,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-29 06:16:19,059 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-11-29 06:16:19,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:16:19,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1185657055, now seen corresponding path program 1 times [2023-11-29 06:16:19,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:16:19,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149193397] [2023-11-29 06:16:19,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:16:19,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:16:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:16:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:16:19,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:16:19,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149193397] [2023-11-29 06:16:19,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149193397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:16:19,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:16:19,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:16:19,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311017915] [2023-11-29 06:16:19,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:16:19,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:16:19,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:16:19,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:16:19,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:16:19,214 INFO L87 Difference]: Start difference. First operand 286539 states and 377605 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)