./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8381803db0f296b6c475c94ca7dd8f9a2c79c383b82b37638a653c8556f3f15c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:50:35,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:50:35,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:50:35,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:50:35,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:50:35,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:50:35,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:50:35,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:50:35,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:50:35,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:50:35,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:50:35,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:50:35,906 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:50:35,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:50:35,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:50:35,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:50:35,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:50:35,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:50:35,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:50:35,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:50:35,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:50:35,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:50:35,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:50:35,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:50:35,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:50:35,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:50:35,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:50:35,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:50:35,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:50:35,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:50:35,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:50:35,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:50:35,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:50:35,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:50:35,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:50:35,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:50:35,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:50:35,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:50:35,919 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:50:35,919 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_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8381803db0f296b6c475c94ca7dd8f9a2c79c383b82b37638a653c8556f3f15c [2023-11-06 22:50:36,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:50:36,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:50:36,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:50:36,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:50:36,321 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:50:36,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2023-11-06 22:50:39,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:50:39,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:50:39,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2023-11-06 22:50:39,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/data/fc76d818d/3510b579fed0478a886d4abd9effdebc/FLAG02a30b628 [2023-11-06 22:50:40,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/data/fc76d818d/3510b579fed0478a886d4abd9effdebc [2023-11-06 22:50:40,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:50:40,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:50:40,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:50:40,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:50:40,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:50:40,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:50:40" (1/1) ... [2023-11-06 22:50:40,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b8c8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:40, skipping insertion in model container [2023-11-06 22:50:40,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:50:40" (1/1) ... [2023-11-06 22:50:40,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:50:40,511 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2023-11-06 22:50:40,541 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2023-11-06 22:50:40,553 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2023-11-06 22:50:40,561 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2023-11-06 22:50:40,574 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2023-11-06 22:50:40,581 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2023-11-06 22:50:40,592 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2023-11-06 22:50:40,636 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2023-11-06 22:50:40,653 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2023-11-06 22:50:40,660 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2023-11-06 22:50:40,672 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2023-11-06 22:50:40,696 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2023-11-06 22:50:40,702 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2023-11-06 22:50:40,709 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2023-11-06 22:50:40,721 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2023-11-06 22:50:40,740 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2023-11-06 22:50:40,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:50:40,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:50:41,127 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2023-11-06 22:50:41,164 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2023-11-06 22:50:41,179 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2023-11-06 22:50:41,187 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2023-11-06 22:50:41,205 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2023-11-06 22:50:41,214 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2023-11-06 22:50:41,220 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2023-11-06 22:50:41,233 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2023-11-06 22:50:41,238 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2023-11-06 22:50:41,244 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2023-11-06 22:50:41,253 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2023-11-06 22:50:41,271 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2023-11-06 22:50:41,281 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2023-11-06 22:50:41,296 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2023-11-06 22:50:41,305 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2023-11-06 22:50:41,322 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_29414159-b6a6-4cec-a83b-8b266b7361e9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2023-11-06 22:50:41,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:50:41,521 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:50:41,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41 WrapperNode [2023-11-06 22:50:41,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:50:41,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:50:41,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:50:41,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:50:41,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,721 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3751 [2023-11-06 22:50:41,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:50:41,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:50:41,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:50:41,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:50:41,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:50:41,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:50:41,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:50:41,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:50:41,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (1/1) ... [2023-11-06 22:50:41,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:50:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:50:42,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:50:42,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29414159-b6a6-4cec-a83b-8b266b7361e9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:50:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:50:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:50:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:50:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:50:42,275 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:50:42,277 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:50:44,458 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:50:44,485 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:50:44,486 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:50:44,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:44 BoogieIcfgContainer [2023-11-06 22:50:44,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:50:44,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:50:44,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:50:44,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:50:44,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:50:40" (1/3) ... [2023-11-06 22:50:44,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63793237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:50:44, skipping insertion in model container [2023-11-06 22:50:44,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:41" (2/3) ... [2023-11-06 22:50:44,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63793237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:50:44, skipping insertion in model container [2023-11-06 22:50:44,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:44" (3/3) ... [2023-11-06 22:50:44,502 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2023-11-06 22:50:44,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:50:44,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-06 22:50:44,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:50:44,624 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@612481eb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:50:44,624 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-06 22:50:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 630 states, 612 states have (on average 1.8480392156862746) internal successors, (1131), 629 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:50:44,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:44,668 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] [2023-11-06 22:50:44,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:44,678 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:44,678 INFO L85 PathProgramCache]: Analyzing trace with hash -729096350, now seen corresponding path program 1 times [2023-11-06 22:50:44,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:44,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259725773] [2023-11-06 22:50:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:45,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:45,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259725773] [2023-11-06 22:50:45,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259725773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:45,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:45,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:50:45,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678899256] [2023-11-06 22:50:45,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:45,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:50:45,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:45,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:50:45,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:50:45,443 INFO L87 Difference]: Start difference. First operand has 630 states, 612 states have (on average 1.8480392156862746) internal successors, (1131), 629 states have internal predecessors, (1131), 0 states have call successors, (0), 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 14.4) internal successors, (72), 4 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) [2023-11-06 22:50:46,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:46,155 INFO L93 Difference]: Finished difference Result 978 states and 1692 transitions. [2023-11-06 22:50:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:50:46,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2023-11-06 22:50:46,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:46,173 INFO L225 Difference]: With dead ends: 978 [2023-11-06 22:50:46,173 INFO L226 Difference]: Without dead ends: 503 [2023-11-06 22:50:46,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:50:46,182 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 2533 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:46,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 621 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:50:46,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2023-11-06 22:50:46,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2023-11-06 22:50:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 487 states have (on average 1.3018480492813143) internal successors, (634), 502 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 634 transitions. [2023-11-06 22:50:46,264 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 634 transitions. Word has length 72 [2023-11-06 22:50:46,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:46,265 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 634 transitions. [2023-11-06 22:50:46,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2023-11-06 22:50:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 634 transitions. [2023-11-06 22:50:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 22:50:46,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:46,269 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] [2023-11-06 22:50:46,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:50:46,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:46,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:46,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2012921467, now seen corresponding path program 1 times [2023-11-06 22:50:46,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:46,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118883705] [2023-11-06 22:50:46,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:46,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:46,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:46,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118883705] [2023-11-06 22:50:46,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118883705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:46,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:46,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:50:46,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471081703] [2023-11-06 22:50:46,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:46,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:50:46,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:46,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:50:46,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:50:46,542 INFO L87 Difference]: Start difference. First operand 503 states and 634 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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) [2023-11-06 22:50:46,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:46,975 INFO L93 Difference]: Finished difference Result 840 states and 1087 transitions. [2023-11-06 22:50:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:50:46,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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 [2023-11-06 22:50:46,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:46,981 INFO L225 Difference]: With dead ends: 840 [2023-11-06 22:50:46,981 INFO L226 Difference]: Without dead ends: 439 [2023-11-06 22:50:46,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:50:46,985 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 1637 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:46,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 334 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:50:46,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-11-06 22:50:47,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2023-11-06 22:50:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 423 states have (on average 1.326241134751773) internal successors, (561), 438 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 561 transitions. [2023-11-06 22:50:47,039 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 561 transitions. Word has length 73 [2023-11-06 22:50:47,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:47,040 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 561 transitions. [2023-11-06 22:50:47,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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) [2023-11-06 22:50:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 561 transitions. [2023-11-06 22:50:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:50:47,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:47,042 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] [2023-11-06 22:50:47,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:50:47,043 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:47,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:47,043 INFO L85 PathProgramCache]: Analyzing trace with hash -800948093, now seen corresponding path program 1 times [2023-11-06 22:50:47,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:47,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290395095] [2023-11-06 22:50:47,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:47,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:47,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:47,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290395095] [2023-11-06 22:50:47,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290395095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:47,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:47,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:50:47,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960713906] [2023-11-06 22:50:47,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:47,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:50:47,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:47,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:50:47,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:50:47,266 INFO L87 Difference]: Start difference. First operand 439 states and 561 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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) [2023-11-06 22:50:47,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:47,705 INFO L93 Difference]: Finished difference Result 776 states and 1013 transitions. [2023-11-06 22:50:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:50:47,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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 [2023-11-06 22:50:47,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:47,710 INFO L225 Difference]: With dead ends: 776 [2023-11-06 22:50:47,711 INFO L226 Difference]: Without dead ends: 419 [2023-11-06 22:50:47,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:50:47,715 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1505 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:47,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 299 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:50:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2023-11-06 22:50:47,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2023-11-06 22:50:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 403 states have (on average 1.3300248138957815) internal successors, (536), 418 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 536 transitions. [2023-11-06 22:50:47,765 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 536 transitions. Word has length 74 [2023-11-06 22:50:47,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:47,766 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 536 transitions. [2023-11-06 22:50:47,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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) [2023-11-06 22:50:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 536 transitions. [2023-11-06 22:50:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 22:50:47,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:47,775 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] [2023-11-06 22:50:47,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:50:47,776 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:47,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1628151892, now seen corresponding path program 1 times [2023-11-06 22:50:47,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:47,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354912820] [2023-11-06 22:50:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:47,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:47,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:47,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354912820] [2023-11-06 22:50:47,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354912820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:47,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:47,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:50:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39795270] [2023-11-06 22:50:47,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:47,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:50:47,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:47,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:50:47,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:50:47,955 INFO L87 Difference]: Start difference. First operand 419 states and 536 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:48,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:48,307 INFO L93 Difference]: Finished difference Result 756 states and 987 transitions. [2023-11-06 22:50:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:50:48,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2023-11-06 22:50:48,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:48,310 INFO L225 Difference]: With dead ends: 756 [2023-11-06 22:50:48,310 INFO L226 Difference]: Without dead ends: 403 [2023-11-06 22:50:48,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:50:48,312 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1466 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:48,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 305 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:50:48,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-11-06 22:50:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2023-11-06 22:50:48,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 387 states have (on average 1.3359173126614987) internal successors, (517), 402 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:48,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 517 transitions. [2023-11-06 22:50:48,350 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 517 transitions. Word has length 75 [2023-11-06 22:50:48,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:48,350 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 517 transitions. [2023-11-06 22:50:48,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 517 transitions. [2023-11-06 22:50:48,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:50:48,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:48,352 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] [2023-11-06 22:50:48,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:50:48,353 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:48,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:48,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1037752348, now seen corresponding path program 1 times [2023-11-06 22:50:48,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:48,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467485151] [2023-11-06 22:50:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:48,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:48,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:48,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467485151] [2023-11-06 22:50:48,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467485151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:48,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:48,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:50:48,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396458329] [2023-11-06 22:50:48,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:48,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:50:48,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:48,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:50:48,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:50:48,509 INFO L87 Difference]: Start difference. First operand 403 states and 517 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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) [2023-11-06 22:50:48,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:48,827 INFO L93 Difference]: Finished difference Result 740 states and 967 transitions. [2023-11-06 22:50:48,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:50:48,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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 [2023-11-06 22:50:48,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:48,832 INFO L225 Difference]: With dead ends: 740 [2023-11-06 22:50:48,832 INFO L226 Difference]: Without dead ends: 392 [2023-11-06 22:50:48,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:50:48,834 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1441 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:48,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 302 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:50:48,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2023-11-06 22:50:48,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2023-11-06 22:50:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.3404255319148937) internal successors, (504), 391 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 504 transitions. [2023-11-06 22:50:48,876 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 504 transitions. Word has length 76 [2023-11-06 22:50:48,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:48,877 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 504 transitions. [2023-11-06 22:50:48,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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) [2023-11-06 22:50:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 504 transitions. [2023-11-06 22:50:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:50:48,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:48,879 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] [2023-11-06 22:50:48,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:50:48,879 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:48,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:48,883 INFO L85 PathProgramCache]: Analyzing trace with hash -142744767, now seen corresponding path program 1 times [2023-11-06 22:50:48,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:48,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922592487] [2023-11-06 22:50:48,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:48,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:49,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:49,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922592487] [2023-11-06 22:50:49,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922592487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:49,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:49,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:50:49,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968648857] [2023-11-06 22:50:49,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:49,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:50:49,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:49,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:50:49,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:50:49,432 INFO L87 Difference]: Start difference. First operand 392 states and 504 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 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) [2023-11-06 22:50:50,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:50,868 INFO L93 Difference]: Finished difference Result 822 states and 1092 transitions. [2023-11-06 22:50:50,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:50:50,869 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 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 [2023-11-06 22:50:50,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:50,874 INFO L225 Difference]: With dead ends: 822 [2023-11-06 22:50:50,875 INFO L226 Difference]: Without dead ends: 733 [2023-11-06 22:50:50,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:50:50,877 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 2609 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:50,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2609 Valid, 1816 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:50:50,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2023-11-06 22:50:50,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 392. [2023-11-06 22:50:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.3377659574468086) internal successors, (503), 391 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 503 transitions. [2023-11-06 22:50:50,953 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 503 transitions. Word has length 77 [2023-11-06 22:50:50,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:50,955 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 503 transitions. [2023-11-06 22:50:50,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 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) [2023-11-06 22:50:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 503 transitions. [2023-11-06 22:50:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:50:50,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:50,961 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] [2023-11-06 22:50:50,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:50:50,962 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:50,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:50,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2022253705, now seen corresponding path program 1 times [2023-11-06 22:50:50,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:50,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768781150] [2023-11-06 22:50:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:50,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:51,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:51,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768781150] [2023-11-06 22:50:51,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768781150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:51,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:51,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:50:51,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338079924] [2023-11-06 22:50:51,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:51,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:50:51,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:51,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:50:51,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:50:51,466 INFO L87 Difference]: Start difference. First operand 392 states and 503 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 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) [2023-11-06 22:50:52,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:52,921 INFO L93 Difference]: Finished difference Result 865 states and 1146 transitions. [2023-11-06 22:50:52,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:50:52,922 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 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 [2023-11-06 22:50:52,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:52,927 INFO L225 Difference]: With dead ends: 865 [2023-11-06 22:50:52,927 INFO L226 Difference]: Without dead ends: 737 [2023-11-06 22:50:52,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:50:52,929 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 2704 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2704 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:52,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2704 Valid, 1765 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:50:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-06 22:50:52,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 392. [2023-11-06 22:50:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.3351063829787233) internal successors, (502), 391 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 502 transitions. [2023-11-06 22:50:52,992 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 502 transitions. Word has length 77 [2023-11-06 22:50:52,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:52,993 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 502 transitions. [2023-11-06 22:50:52,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 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) [2023-11-06 22:50:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 502 transitions. [2023-11-06 22:50:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:50:52,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:52,995 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] [2023-11-06 22:50:52,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:50:52,995 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:52,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash 679839246, now seen corresponding path program 1 times [2023-11-06 22:50:52,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:52,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115684880] [2023-11-06 22:50:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:52,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:53,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:53,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115684880] [2023-11-06 22:50:53,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115684880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:53,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:53,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:50:53,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073763097] [2023-11-06 22:50:53,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:53,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:50:53,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:53,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:50:53,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:50:53,497 INFO L87 Difference]: Start difference. First operand 392 states and 502 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 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) [2023-11-06 22:50:54,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:54,731 INFO L93 Difference]: Finished difference Result 802 states and 1055 transitions. [2023-11-06 22:50:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:50:54,732 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 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 [2023-11-06 22:50:54,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:54,736 INFO L225 Difference]: With dead ends: 802 [2023-11-06 22:50:54,737 INFO L226 Difference]: Without dead ends: 721 [2023-11-06 22:50:54,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:50:54,739 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 1878 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:54,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 1592 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:50:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2023-11-06 22:50:54,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 392. [2023-11-06 22:50:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.3324468085106382) internal successors, (501), 391 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 501 transitions. [2023-11-06 22:50:54,812 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 501 transitions. Word has length 77 [2023-11-06 22:50:54,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:54,812 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 501 transitions. [2023-11-06 22:50:54,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 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) [2023-11-06 22:50:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 501 transitions. [2023-11-06 22:50:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:50:54,817 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:54,817 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] [2023-11-06 22:50:54,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:50:54,818 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:54,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:54,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1232357856, now seen corresponding path program 1 times [2023-11-06 22:50:54,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:54,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348208961] [2023-11-06 22:50:54,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:55,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:55,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348208961] [2023-11-06 22:50:55,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348208961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:55,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:55,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:50:55,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154601540] [2023-11-06 22:50:55,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:55,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:50:55,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:55,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:50:55,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:50:55,279 INFO L87 Difference]: Start difference. First operand 392 states and 501 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 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) [2023-11-06 22:50:56,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:56,157 INFO L93 Difference]: Finished difference Result 757 states and 952 transitions. [2023-11-06 22:50:56,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:50:56,157 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 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 [2023-11-06 22:50:56,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:56,161 INFO L225 Difference]: With dead ends: 757 [2023-11-06 22:50:56,161 INFO L226 Difference]: Without dead ends: 545 [2023-11-06 22:50:56,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:50:56,164 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 2647 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2647 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:56,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2647 Valid, 912 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:50:56,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2023-11-06 22:50:56,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 392. [2023-11-06 22:50:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.3297872340425532) internal successors, (500), 391 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 500 transitions. [2023-11-06 22:50:56,249 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 500 transitions. Word has length 77 [2023-11-06 22:50:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:56,249 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 500 transitions. [2023-11-06 22:50:56,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 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) [2023-11-06 22:50:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 500 transitions. [2023-11-06 22:50:56,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:50:56,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:56,251 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] [2023-11-06 22:50:56,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:50:56,253 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:56,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:56,258 INFO L85 PathProgramCache]: Analyzing trace with hash -204100811, now seen corresponding path program 1 times [2023-11-06 22:50:56,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:56,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605389080] [2023-11-06 22:50:56,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:56,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:50:57,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:50:57,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:50:57,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605389080] [2023-11-06 22:50:57,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605389080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:50:57,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:50:57,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:50:57,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342828875] [2023-11-06 22:50:57,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:50:57,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:50:57,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:50:57,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:50:57,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:50:57,035 INFO L87 Difference]: Start difference. First operand 392 states and 500 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:59,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:50:59,745 INFO L93 Difference]: Finished difference Result 1357 states and 1846 transitions. [2023-11-06 22:50:59,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:50:59,745 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-06 22:50:59,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:50:59,754 INFO L225 Difference]: With dead ends: 1357 [2023-11-06 22:50:59,754 INFO L226 Difference]: Without dead ends: 1259 [2023-11-06 22:50:59,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:50:59,756 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 6370 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6370 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:50:59,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6370 Valid, 2107 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:50:59,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2023-11-06 22:50:59,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 396. [2023-11-06 22:50:59,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 380 states have (on average 1.3263157894736841) internal successors, (504), 395 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 504 transitions. [2023-11-06 22:50:59,867 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 504 transitions. Word has length 79 [2023-11-06 22:50:59,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:50:59,867 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 504 transitions. [2023-11-06 22:50:59,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:50:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 504 transitions. [2023-11-06 22:50:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:50:59,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:59,869 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] [2023-11-06 22:50:59,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:50:59,869 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:50:59,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:59,870 INFO L85 PathProgramCache]: Analyzing trace with hash -612946039, now seen corresponding path program 1 times [2023-11-06 22:50:59,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:59,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817023817] [2023-11-06 22:50:59,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:59,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:00,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817023817] [2023-11-06 22:51:00,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817023817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:00,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:00,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:00,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728448815] [2023-11-06 22:51:00,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:00,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:00,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:00,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:00,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:00,272 INFO L87 Difference]: Start difference. First operand 396 states and 504 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:01,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:01,640 INFO L93 Difference]: Finished difference Result 805 states and 1057 transitions. [2023-11-06 22:51:01,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:01,641 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-06 22:51:01,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:01,645 INFO L225 Difference]: With dead ends: 805 [2023-11-06 22:51:01,645 INFO L226 Difference]: Without dead ends: 729 [2023-11-06 22:51:01,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:51:01,647 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 2921 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2921 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:01,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2921 Valid, 1473 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:51:01,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-11-06 22:51:01,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 396. [2023-11-06 22:51:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 380 states have (on average 1.3236842105263158) internal successors, (503), 395 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 503 transitions. [2023-11-06 22:51:01,761 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 503 transitions. Word has length 79 [2023-11-06 22:51:01,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:01,761 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 503 transitions. [2023-11-06 22:51:01,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 503 transitions. [2023-11-06 22:51:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:51:01,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:01,763 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] [2023-11-06 22:51:01,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:51:01,764 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:01,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:01,764 INFO L85 PathProgramCache]: Analyzing trace with hash -244843864, now seen corresponding path program 1 times [2023-11-06 22:51:01,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:01,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924261370] [2023-11-06 22:51:01,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:01,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:02,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:02,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924261370] [2023-11-06 22:51:02,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924261370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:02,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:02,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:51:02,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644991635] [2023-11-06 22:51:02,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:02,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:51:02,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:02,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:51:02,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:51:02,333 INFO L87 Difference]: Start difference. First operand 396 states and 503 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:05,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:05,142 INFO L93 Difference]: Finished difference Result 1229 states and 1657 transitions. [2023-11-06 22:51:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:51:05,143 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-06 22:51:05,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:05,149 INFO L225 Difference]: With dead ends: 1229 [2023-11-06 22:51:05,149 INFO L226 Difference]: Without dead ends: 1153 [2023-11-06 22:51:05,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:51:05,151 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 5537 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5537 SdHoareTripleChecker+Valid, 1927 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:05,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5537 Valid, 1927 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 22:51:05,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2023-11-06 22:51:05,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 400. [2023-11-06 22:51:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 384 states have (on average 1.3203125) internal successors, (507), 399 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 507 transitions. [2023-11-06 22:51:05,270 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 507 transitions. Word has length 79 [2023-11-06 22:51:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:05,271 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 507 transitions. [2023-11-06 22:51:05,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 507 transitions. [2023-11-06 22:51:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:51:05,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:05,273 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] [2023-11-06 22:51:05,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:51:05,273 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:05,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:05,274 INFO L85 PathProgramCache]: Analyzing trace with hash 391973260, now seen corresponding path program 1 times [2023-11-06 22:51:05,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:05,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488771368] [2023-11-06 22:51:05,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:05,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:05,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:05,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488771368] [2023-11-06 22:51:05,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488771368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:05,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:05,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:05,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993300360] [2023-11-06 22:51:05,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:05,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:05,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:05,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:05,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:05,648 INFO L87 Difference]: Start difference. First operand 400 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:07,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:07,040 INFO L93 Difference]: Finished difference Result 801 states and 1051 transitions. [2023-11-06 22:51:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:07,040 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-06 22:51:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:07,045 INFO L225 Difference]: With dead ends: 801 [2023-11-06 22:51:07,045 INFO L226 Difference]: Without dead ends: 729 [2023-11-06 22:51:07,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:51:07,046 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 2960 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:07,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 1427 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:51:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-11-06 22:51:07,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 400. [2023-11-06 22:51:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 384 states have (on average 1.3177083333333333) internal successors, (506), 399 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:07,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 506 transitions. [2023-11-06 22:51:07,156 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 506 transitions. Word has length 79 [2023-11-06 22:51:07,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:07,157 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 506 transitions. [2023-11-06 22:51:07,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:07,157 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 506 transitions. [2023-11-06 22:51:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:51:07,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:07,159 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] [2023-11-06 22:51:07,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:51:07,159 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:07,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:07,160 INFO L85 PathProgramCache]: Analyzing trace with hash -125566079, now seen corresponding path program 1 times [2023-11-06 22:51:07,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:07,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330717642] [2023-11-06 22:51:07,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:07,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:07,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:07,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330717642] [2023-11-06 22:51:07,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330717642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:07,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:07,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:07,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094547798] [2023-11-06 22:51:07,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:07,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:07,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:07,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:07,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:07,477 INFO L87 Difference]: Start difference. First operand 400 states and 506 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:08,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:08,968 INFO L93 Difference]: Finished difference Result 888 states and 1160 transitions. [2023-11-06 22:51:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:08,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-06 22:51:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:08,973 INFO L225 Difference]: With dead ends: 888 [2023-11-06 22:51:08,973 INFO L226 Difference]: Without dead ends: 745 [2023-11-06 22:51:08,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:08,975 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 2028 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:08,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 1801 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:51:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2023-11-06 22:51:09,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 400. [2023-11-06 22:51:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 384 states have (on average 1.3151041666666667) internal successors, (505), 399 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 505 transitions. [2023-11-06 22:51:09,094 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 505 transitions. Word has length 79 [2023-11-06 22:51:09,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:09,095 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 505 transitions. [2023-11-06 22:51:09,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:09,095 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 505 transitions. [2023-11-06 22:51:09,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:51:09,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:09,096 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] [2023-11-06 22:51:09,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:51:09,097 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:09,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:09,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1207195179, now seen corresponding path program 1 times [2023-11-06 22:51:09,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:09,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821762134] [2023-11-06 22:51:09,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:09,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:09,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:09,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821762134] [2023-11-06 22:51:09,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821762134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:09,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:09,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:09,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932643222] [2023-11-06 22:51:09,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:09,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:09,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:09,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:09,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:09,460 INFO L87 Difference]: Start difference. First operand 400 states and 505 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:10,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:10,822 INFO L93 Difference]: Finished difference Result 805 states and 1052 transitions. [2023-11-06 22:51:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:10,823 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-06 22:51:10,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:10,827 INFO L225 Difference]: With dead ends: 805 [2023-11-06 22:51:10,828 INFO L226 Difference]: Without dead ends: 729 [2023-11-06 22:51:10,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:51:10,829 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 2945 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:10,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 1443 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:51:10,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-11-06 22:51:10,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 400. [2023-11-06 22:51:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 384 states have (on average 1.3125) internal successors, (504), 399 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:10,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 504 transitions. [2023-11-06 22:51:10,932 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 504 transitions. Word has length 79 [2023-11-06 22:51:10,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:10,932 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 504 transitions. [2023-11-06 22:51:10,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 504 transitions. [2023-11-06 22:51:10,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:51:10,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:10,934 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] [2023-11-06 22:51:10,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:51:10,935 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:10,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:10,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1616040407, now seen corresponding path program 1 times [2023-11-06 22:51:10,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:10,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409392295] [2023-11-06 22:51:10,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:10,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:11,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:11,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409392295] [2023-11-06 22:51:11,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409392295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:11,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:11,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:11,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123785408] [2023-11-06 22:51:11,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:11,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:11,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:11,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:11,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:11,253 INFO L87 Difference]: Start difference. First operand 400 states and 504 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:12,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:12,662 INFO L93 Difference]: Finished difference Result 835 states and 1092 transitions. [2023-11-06 22:51:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:12,663 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-06 22:51:12,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:12,667 INFO L225 Difference]: With dead ends: 835 [2023-11-06 22:51:12,667 INFO L226 Difference]: Without dead ends: 737 [2023-11-06 22:51:12,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:12,669 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 2024 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:12,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2024 Valid, 1760 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:51:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-06 22:51:12,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 400. [2023-11-06 22:51:12,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 384 states have (on average 1.3098958333333333) internal successors, (503), 399 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 503 transitions. [2023-11-06 22:51:12,815 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 503 transitions. Word has length 79 [2023-11-06 22:51:12,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:12,816 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 503 transitions. [2023-11-06 22:51:12,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 503 transitions. [2023-11-06 22:51:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:51:12,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:12,818 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] [2023-11-06 22:51:12,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:51:12,818 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:12,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:12,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1975429315, now seen corresponding path program 1 times [2023-11-06 22:51:12,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:12,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622550580] [2023-11-06 22:51:12,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:12,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:13,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622550580] [2023-11-06 22:51:13,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622550580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:13,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:13,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:13,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366278306] [2023-11-06 22:51:13,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:13,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:13,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:13,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:13,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:13,175 INFO L87 Difference]: Start difference. First operand 400 states and 503 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:14,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:14,697 INFO L93 Difference]: Finished difference Result 835 states and 1093 transitions. [2023-11-06 22:51:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:14,697 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:51:14,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:14,701 INFO L225 Difference]: With dead ends: 835 [2023-11-06 22:51:14,702 INFO L226 Difference]: Without dead ends: 737 [2023-11-06 22:51:14,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:14,703 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 2042 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2042 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:14,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 1885 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:51:14,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-06 22:51:14,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 396. [2023-11-06 22:51:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 380 states have (on average 1.3105263157894738) internal successors, (498), 395 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 498 transitions. [2023-11-06 22:51:14,851 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 498 transitions. Word has length 80 [2023-11-06 22:51:14,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:14,852 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 498 transitions. [2023-11-06 22:51:14,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 498 transitions. [2023-11-06 22:51:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:51:14,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:14,854 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] [2023-11-06 22:51:14,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:51:14,854 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:14,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:14,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1896194813, now seen corresponding path program 1 times [2023-11-06 22:51:14,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:14,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338529317] [2023-11-06 22:51:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:14,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:15,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338529317] [2023-11-06 22:51:15,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338529317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:15,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:15,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:15,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095696800] [2023-11-06 22:51:15,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:15,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:15,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:15,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:15,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:15,133 INFO L87 Difference]: Start difference. First operand 396 states and 498 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:16,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:16,738 INFO L93 Difference]: Finished difference Result 801 states and 1045 transitions. [2023-11-06 22:51:16,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:16,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:51:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:16,743 INFO L225 Difference]: With dead ends: 801 [2023-11-06 22:51:16,744 INFO L226 Difference]: Without dead ends: 725 [2023-11-06 22:51:16,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:16,745 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 2058 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:16,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 1941 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:51:16,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2023-11-06 22:51:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 392. [2023-11-06 22:51:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.3111702127659575) internal successors, (493), 391 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 493 transitions. [2023-11-06 22:51:16,854 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 493 transitions. Word has length 80 [2023-11-06 22:51:16,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:16,855 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 493 transitions. [2023-11-06 22:51:16,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 493 transitions. [2023-11-06 22:51:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:16,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:16,857 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] [2023-11-06 22:51:16,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:51:16,857 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:16,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:16,858 INFO L85 PathProgramCache]: Analyzing trace with hash 2135531548, now seen corresponding path program 1 times [2023-11-06 22:51:16,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:16,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355899629] [2023-11-06 22:51:16,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:17,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:17,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355899629] [2023-11-06 22:51:17,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355899629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:17,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:17,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:17,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764084026] [2023-11-06 22:51:17,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:17,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:17,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:17,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:17,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:17,238 INFO L87 Difference]: Start difference. First operand 392 states and 493 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:18,772 INFO L93 Difference]: Finished difference Result 778 states and 1008 transitions. [2023-11-06 22:51:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:18,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:18,777 INFO L225 Difference]: With dead ends: 778 [2023-11-06 22:51:18,777 INFO L226 Difference]: Without dead ends: 709 [2023-11-06 22:51:18,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:18,779 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 2382 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2382 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:18,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2382 Valid, 1922 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:51:18,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-11-06 22:51:18,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 392. [2023-11-06 22:51:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.3085106382978724) internal successors, (492), 391 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 492 transitions. [2023-11-06 22:51:18,945 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 492 transitions. Word has length 81 [2023-11-06 22:51:18,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:18,946 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 492 transitions. [2023-11-06 22:51:18,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:18,946 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 492 transitions. [2023-11-06 22:51:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:18,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:18,948 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] [2023-11-06 22:51:18,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 22:51:18,948 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:18,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:18,949 INFO L85 PathProgramCache]: Analyzing trace with hash -247238646, now seen corresponding path program 1 times [2023-11-06 22:51:18,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:18,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143393806] [2023-11-06 22:51:18,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:18,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:19,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:19,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143393806] [2023-11-06 22:51:19,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143393806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:19,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:19,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:19,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372518772] [2023-11-06 22:51:19,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:19,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:19,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:19,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:19,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:19,231 INFO L87 Difference]: Start difference. First operand 392 states and 492 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:20,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:20,769 INFO L93 Difference]: Finished difference Result 806 states and 1047 transitions. [2023-11-06 22:51:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:20,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:20,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:20,776 INFO L225 Difference]: With dead ends: 806 [2023-11-06 22:51:20,777 INFO L226 Difference]: Without dead ends: 725 [2023-11-06 22:51:20,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:20,778 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 1917 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:20,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1917 Valid, 1782 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:51:20,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2023-11-06 22:51:20,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 392. [2023-11-06 22:51:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.3058510638297873) internal successors, (491), 391 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 491 transitions. [2023-11-06 22:51:20,916 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 491 transitions. Word has length 81 [2023-11-06 22:51:20,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:20,916 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 491 transitions. [2023-11-06 22:51:20,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 491 transitions. [2023-11-06 22:51:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:20,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:20,918 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] [2023-11-06 22:51:20,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:51:20,918 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:20,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:20,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1648828412, now seen corresponding path program 1 times [2023-11-06 22:51:20,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:20,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393909322] [2023-11-06 22:51:20,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:20,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:21,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:21,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393909322] [2023-11-06 22:51:21,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393909322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:21,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:21,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:21,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036485784] [2023-11-06 22:51:21,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:21,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:21,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:21,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:21,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:21,283 INFO L87 Difference]: Start difference. First operand 392 states and 491 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:22,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:22,865 INFO L93 Difference]: Finished difference Result 775 states and 1003 transitions. [2023-11-06 22:51:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:22,866 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:22,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:22,868 INFO L225 Difference]: With dead ends: 775 [2023-11-06 22:51:22,869 INFO L226 Difference]: Without dead ends: 709 [2023-11-06 22:51:22,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:22,870 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 2275 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:22,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 2144 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:51:22,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-11-06 22:51:23,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 392. [2023-11-06 22:51:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.303191489361702) internal successors, (490), 391 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 490 transitions. [2023-11-06 22:51:23,003 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 490 transitions. Word has length 81 [2023-11-06 22:51:23,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:23,004 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 490 transitions. [2023-11-06 22:51:23,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 490 transitions. [2023-11-06 22:51:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:23,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:23,006 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] [2023-11-06 22:51:23,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:51:23,006 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:23,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:23,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1380394973, now seen corresponding path program 1 times [2023-11-06 22:51:23,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:23,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17100412] [2023-11-06 22:51:23,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:23,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:23,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:23,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17100412] [2023-11-06 22:51:23,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17100412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:23,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:23,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:51:23,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853056067] [2023-11-06 22:51:23,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:23,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:51:23,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:23,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:51:23,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:51:23,612 INFO L87 Difference]: Start difference. First operand 392 states and 490 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:26,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:26,281 INFO L93 Difference]: Finished difference Result 1115 states and 1478 transitions. [2023-11-06 22:51:26,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:51:26,284 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:26,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:26,290 INFO L225 Difference]: With dead ends: 1115 [2023-11-06 22:51:26,290 INFO L226 Difference]: Without dead ends: 1046 [2023-11-06 22:51:26,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:51:26,292 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 4173 mSDsluCounter, 1442 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4173 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:26,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4173 Valid, 1874 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:51:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2023-11-06 22:51:26,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 396. [2023-11-06 22:51:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 380 states have (on average 1.3) internal successors, (494), 395 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 494 transitions. [2023-11-06 22:51:26,454 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 494 transitions. Word has length 81 [2023-11-06 22:51:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:26,454 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 494 transitions. [2023-11-06 22:51:26,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 494 transitions. [2023-11-06 22:51:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:26,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:26,456 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] [2023-11-06 22:51:26,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:51:26,457 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:26,457 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash -90069907, now seen corresponding path program 1 times [2023-11-06 22:51:26,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:26,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224223577] [2023-11-06 22:51:26,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:26,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:26,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:26,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224223577] [2023-11-06 22:51:26,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224223577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:26,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:26,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:26,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079137180] [2023-11-06 22:51:26,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:26,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:26,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:26,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:26,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:26,879 INFO L87 Difference]: Start difference. First operand 396 states and 494 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:28,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:28,464 INFO L93 Difference]: Finished difference Result 775 states and 1001 transitions. [2023-11-06 22:51:28,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:28,465 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:28,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:28,468 INFO L225 Difference]: With dead ends: 775 [2023-11-06 22:51:28,469 INFO L226 Difference]: Without dead ends: 709 [2023-11-06 22:51:28,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:28,470 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 2268 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2268 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:28,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2268 Valid, 2148 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:51:28,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-11-06 22:51:28,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 396. [2023-11-06 22:51:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 380 states have (on average 1.2973684210526315) internal successors, (493), 395 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:28,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 493 transitions. [2023-11-06 22:51:28,621 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 493 transitions. Word has length 81 [2023-11-06 22:51:28,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:28,622 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 493 transitions. [2023-11-06 22:51:28,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 493 transitions. [2023-11-06 22:51:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:28,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:28,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:28,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:51:28,624 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:28,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:28,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1355696644, now seen corresponding path program 1 times [2023-11-06 22:51:28,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:28,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276272282] [2023-11-06 22:51:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:29,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:29,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276272282] [2023-11-06 22:51:29,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276272282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:29,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:29,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:51:29,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836285485] [2023-11-06 22:51:29,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:29,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:51:29,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:29,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:51:29,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:51:29,136 INFO L87 Difference]: Start difference. First operand 396 states and 493 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:32,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:32,001 INFO L93 Difference]: Finished difference Result 1051 states and 1382 transitions. [2023-11-06 22:51:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:51:32,002 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:32,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:32,006 INFO L225 Difference]: With dead ends: 1051 [2023-11-06 22:51:32,006 INFO L226 Difference]: Without dead ends: 1046 [2023-11-06 22:51:32,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:51:32,007 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 3517 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3517 SdHoareTripleChecker+Valid, 2379 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:32,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3517 Valid, 2379 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:51:32,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2023-11-06 22:51:32,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 400. [2023-11-06 22:51:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 384 states have (on average 1.2942708333333333) internal successors, (497), 399 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 497 transitions. [2023-11-06 22:51:32,215 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 497 transitions. Word has length 81 [2023-11-06 22:51:32,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:32,216 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 497 transitions. [2023-11-06 22:51:32,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 497 transitions. [2023-11-06 22:51:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:32,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:32,218 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] [2023-11-06 22:51:32,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:51:32,218 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:32,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:32,219 INFO L85 PathProgramCache]: Analyzing trace with hash 558624169, now seen corresponding path program 1 times [2023-11-06 22:51:32,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:32,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682822541] [2023-11-06 22:51:32,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:32,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:32,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:32,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682822541] [2023-11-06 22:51:32,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682822541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:32,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:32,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:51:32,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797958680] [2023-11-06 22:51:32,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:32,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:51:32,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:32,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:51:32,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:51:32,732 INFO L87 Difference]: Start difference. First operand 400 states and 497 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:35,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:35,560 INFO L93 Difference]: Finished difference Result 1109 states and 1469 transitions. [2023-11-06 22:51:35,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:51:35,561 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:35,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:35,567 INFO L225 Difference]: With dead ends: 1109 [2023-11-06 22:51:35,567 INFO L226 Difference]: Without dead ends: 1043 [2023-11-06 22:51:35,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:51:35,569 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 4189 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4189 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:35,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4189 Valid, 2124 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1730 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:51:35,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2023-11-06 22:51:35,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 404. [2023-11-06 22:51:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 388 states have (on average 1.291237113402062) internal successors, (501), 403 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 501 transitions. [2023-11-06 22:51:35,735 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 501 transitions. Word has length 81 [2023-11-06 22:51:35,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:35,735 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 501 transitions. [2023-11-06 22:51:35,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 501 transitions. [2023-11-06 22:51:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:35,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:35,737 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] [2023-11-06 22:51:35,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:51:35,738 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:35,738 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:35,738 INFO L85 PathProgramCache]: Analyzing trace with hash -237124242, now seen corresponding path program 1 times [2023-11-06 22:51:35,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:35,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026056445] [2023-11-06 22:51:35,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:35,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:36,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:36,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026056445] [2023-11-06 22:51:36,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026056445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:36,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:36,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:36,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411636030] [2023-11-06 22:51:36,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:36,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:36,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:36,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:36,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:36,057 INFO L87 Difference]: Start difference. First operand 404 states and 501 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:37,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:37,679 INFO L93 Difference]: Finished difference Result 773 states and 996 transitions. [2023-11-06 22:51:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:37,681 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:37,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:37,685 INFO L225 Difference]: With dead ends: 773 [2023-11-06 22:51:37,685 INFO L226 Difference]: Without dead ends: 709 [2023-11-06 22:51:37,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:37,686 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 2353 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2353 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:37,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2353 Valid, 1942 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:51:37,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-11-06 22:51:37,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 404. [2023-11-06 22:51:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 388 states have (on average 1.288659793814433) internal successors, (500), 403 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 500 transitions. [2023-11-06 22:51:37,844 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 500 transitions. Word has length 81 [2023-11-06 22:51:37,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:37,844 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 500 transitions. [2023-11-06 22:51:37,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:37,845 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 500 transitions. [2023-11-06 22:51:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:37,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:37,847 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] [2023-11-06 22:51:37,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:51:37,847 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:37,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:37,848 INFO L85 PathProgramCache]: Analyzing trace with hash -302100420, now seen corresponding path program 1 times [2023-11-06 22:51:37,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:37,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107136533] [2023-11-06 22:51:37,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:37,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:38,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107136533] [2023-11-06 22:51:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107136533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:38,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:38,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807852573] [2023-11-06 22:51:38,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:38,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:38,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:38,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:38,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:38,170 INFO L87 Difference]: Start difference. First operand 404 states and 500 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:39,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:39,734 INFO L93 Difference]: Finished difference Result 778 states and 1000 transitions. [2023-11-06 22:51:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:39,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:39,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:39,738 INFO L225 Difference]: With dead ends: 778 [2023-11-06 22:51:39,738 INFO L226 Difference]: Without dead ends: 709 [2023-11-06 22:51:39,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:39,739 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 2352 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2352 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:39,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2352 Valid, 1942 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:51:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-11-06 22:51:39,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 404. [2023-11-06 22:51:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 388 states have (on average 1.2860824742268042) internal successors, (499), 403 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 499 transitions. [2023-11-06 22:51:39,892 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 499 transitions. Word has length 81 [2023-11-06 22:51:39,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:39,892 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 499 transitions. [2023-11-06 22:51:39,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 499 transitions. [2023-11-06 22:51:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:39,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:39,894 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] [2023-11-06 22:51:39,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:51:39,895 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:39,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:39,895 INFO L85 PathProgramCache]: Analyzing trace with hash -286808248, now seen corresponding path program 1 times [2023-11-06 22:51:39,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:39,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605365541] [2023-11-06 22:51:39,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:39,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:40,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:40,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605365541] [2023-11-06 22:51:40,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605365541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:40,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:40,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:51:40,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546631306] [2023-11-06 22:51:40,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:40,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:51:40,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:40,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:51:40,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:51:40,392 INFO L87 Difference]: Start difference. First operand 404 states and 499 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:43,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:43,738 INFO L93 Difference]: Finished difference Result 1385 states and 1853 transitions. [2023-11-06 22:51:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:51:43,739 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:43,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:43,743 INFO L225 Difference]: With dead ends: 1385 [2023-11-06 22:51:43,744 INFO L226 Difference]: Without dead ends: 1281 [2023-11-06 22:51:43,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:51:43,745 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 4189 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4189 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:43,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4189 Valid, 2442 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1855 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:51:43,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2023-11-06 22:51:43,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 408. [2023-11-06 22:51:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 392 states have (on average 1.2831632653061225) internal successors, (503), 407 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 503 transitions. [2023-11-06 22:51:43,926 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 503 transitions. Word has length 81 [2023-11-06 22:51:43,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:43,926 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 503 transitions. [2023-11-06 22:51:43,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 503 transitions. [2023-11-06 22:51:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:43,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:43,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:43,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-06 22:51:43,929 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:43,929 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:43,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1055423202, now seen corresponding path program 1 times [2023-11-06 22:51:43,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:43,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657597270] [2023-11-06 22:51:43,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:43,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:44,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:44,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657597270] [2023-11-06 22:51:44,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657597270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:44,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:44,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:44,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005072314] [2023-11-06 22:51:44,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:44,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:44,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:44,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:44,240 INFO L87 Difference]: Start difference. First operand 408 states and 503 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:45,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:45,946 INFO L93 Difference]: Finished difference Result 718 states and 910 transitions. [2023-11-06 22:51:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:45,946 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:45,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:45,950 INFO L225 Difference]: With dead ends: 718 [2023-11-06 22:51:45,950 INFO L226 Difference]: Without dead ends: 713 [2023-11-06 22:51:45,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:45,951 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 2347 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:45,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 1943 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:51:45,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-11-06 22:51:46,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 408. [2023-11-06 22:51:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 392 states have (on average 1.280612244897959) internal successors, (502), 407 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 502 transitions. [2023-11-06 22:51:46,108 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 502 transitions. Word has length 81 [2023-11-06 22:51:46,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:46,108 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 502 transitions. [2023-11-06 22:51:46,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 502 transitions. [2023-11-06 22:51:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:46,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:46,110 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] [2023-11-06 22:51:46,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-06 22:51:46,110 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:46,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:46,111 INFO L85 PathProgramCache]: Analyzing trace with hash 856773900, now seen corresponding path program 1 times [2023-11-06 22:51:46,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:46,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997175234] [2023-11-06 22:51:46,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:46,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:46,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:46,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997175234] [2023-11-06 22:51:46,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997175234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:46,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:46,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:51:46,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646933957] [2023-11-06 22:51:46,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:46,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:51:46,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:46,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:51:46,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:51:46,565 INFO L87 Difference]: Start difference. First operand 408 states and 502 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:49,770 INFO L93 Difference]: Finished difference Result 1191 states and 1571 transitions. [2023-11-06 22:51:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:51:49,770 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:49,775 INFO L225 Difference]: With dead ends: 1191 [2023-11-06 22:51:49,775 INFO L226 Difference]: Without dead ends: 1174 [2023-11-06 22:51:49,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:51:49,776 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 4993 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4993 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:49,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4993 Valid, 2440 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1853 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:51:49,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2023-11-06 22:51:49,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 412. [2023-11-06 22:51:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 396 states have (on average 1.2777777777777777) internal successors, (506), 411 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 506 transitions. [2023-11-06 22:51:49,962 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 506 transitions. Word has length 81 [2023-11-06 22:51:49,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:49,962 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 506 transitions. [2023-11-06 22:51:49,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:49,962 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 506 transitions. [2023-11-06 22:51:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:49,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:49,963 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] [2023-11-06 22:51:49,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-06 22:51:49,964 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:49,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:49,964 INFO L85 PathProgramCache]: Analyzing trace with hash -544552721, now seen corresponding path program 1 times [2023-11-06 22:51:49,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:49,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595978440] [2023-11-06 22:51:49,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:49,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:50,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:50,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595978440] [2023-11-06 22:51:50,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595978440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:50,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:50,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:50,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433631711] [2023-11-06 22:51:50,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:50,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:50,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:50,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:50,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:50,278 INFO L87 Difference]: Start difference. First operand 412 states and 506 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:51,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:51,947 INFO L93 Difference]: Finished difference Result 783 states and 1003 transitions. [2023-11-06 22:51:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:51,948 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:51,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:51,952 INFO L225 Difference]: With dead ends: 783 [2023-11-06 22:51:51,952 INFO L226 Difference]: Without dead ends: 717 [2023-11-06 22:51:51,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:51,953 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 2341 mSDsluCounter, 1572 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2341 SdHoareTripleChecker+Valid, 1946 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:51,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2341 Valid, 1946 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:51:51,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-11-06 22:51:52,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 412. [2023-11-06 22:51:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 396 states have (on average 1.2752525252525253) internal successors, (505), 411 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:52,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 505 transitions. [2023-11-06 22:51:52,145 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 505 transitions. Word has length 81 [2023-11-06 22:51:52,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:52,145 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 505 transitions. [2023-11-06 22:51:52,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 505 transitions. [2023-11-06 22:51:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:51:52,147 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:52,147 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] [2023-11-06 22:51:52,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-06 22:51:52,147 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:52,148 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:52,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1810559777, now seen corresponding path program 1 times [2023-11-06 22:51:52,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:52,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830723480] [2023-11-06 22:51:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:52,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:52,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:52,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830723480] [2023-11-06 22:51:52,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830723480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:52,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:52,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:51:52,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080163873] [2023-11-06 22:51:52,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:52,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:51:52,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:52,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:51:52,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:51:52,616 INFO L87 Difference]: Start difference. First operand 412 states and 505 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:55,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:55,599 INFO L93 Difference]: Finished difference Result 1059 states and 1384 transitions. [2023-11-06 22:51:55,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:51:55,600 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:51:55,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:55,605 INFO L225 Difference]: With dead ends: 1059 [2023-11-06 22:51:55,605 INFO L226 Difference]: Without dead ends: 1054 [2023-11-06 22:51:55,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:51:55,607 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 4966 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4966 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:55,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4966 Valid, 2243 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:51:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2023-11-06 22:51:55,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 416. [2023-11-06 22:51:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 400 states have (on average 1.2725) internal successors, (509), 415 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 509 transitions. [2023-11-06 22:51:55,779 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 509 transitions. Word has length 81 [2023-11-06 22:51:55,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:55,780 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 509 transitions. [2023-11-06 22:51:55,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 509 transitions. [2023-11-06 22:51:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:51:55,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:55,781 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] [2023-11-06 22:51:55,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-06 22:51:55,782 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:55,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:55,782 INFO L85 PathProgramCache]: Analyzing trace with hash -423596437, now seen corresponding path program 1 times [2023-11-06 22:51:55,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:55,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356391007] [2023-11-06 22:51:55,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:56,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:56,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356391007] [2023-11-06 22:51:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356391007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:56,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:56,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:56,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408701985] [2023-11-06 22:51:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:56,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:56,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:56,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:56,049 INFO L87 Difference]: Start difference. First operand 416 states and 509 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:57,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:57,637 INFO L93 Difference]: Finished difference Result 786 states and 1004 transitions. [2023-11-06 22:51:57,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:57,637 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:51:57,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:57,641 INFO L225 Difference]: With dead ends: 786 [2023-11-06 22:51:57,641 INFO L226 Difference]: Without dead ends: 717 [2023-11-06 22:51:57,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:57,642 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 1927 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:57,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 1681 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:51:57,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-11-06 22:51:57,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 412. [2023-11-06 22:51:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 396 states have (on average 1.2727272727272727) internal successors, (504), 411 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 504 transitions. [2023-11-06 22:51:57,821 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 504 transitions. Word has length 82 [2023-11-06 22:51:57,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:57,822 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 504 transitions. [2023-11-06 22:51:57,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 504 transitions. [2023-11-06 22:51:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:51:57,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:57,823 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] [2023-11-06 22:51:57,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-06 22:51:57,824 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:57,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:57,824 INFO L85 PathProgramCache]: Analyzing trace with hash 656909474, now seen corresponding path program 1 times [2023-11-06 22:51:57,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:57,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085810979] [2023-11-06 22:51:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:58,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:58,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085810979] [2023-11-06 22:51:58,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085810979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:58,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:58,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:51:58,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495643104] [2023-11-06 22:51:58,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:58,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:51:58,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:58,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:51:58,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:51:58,066 INFO L87 Difference]: Start difference. First operand 412 states and 504 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:59,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:59,721 INFO L93 Difference]: Finished difference Result 722 states and 910 transitions. [2023-11-06 22:51:59,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:51:59,722 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:51:59,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:59,726 INFO L225 Difference]: With dead ends: 722 [2023-11-06 22:51:59,726 INFO L226 Difference]: Without dead ends: 717 [2023-11-06 22:51:59,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:51:59,727 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 1907 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:59,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 1699 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:51:59,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-11-06 22:51:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 408. [2023-11-06 22:51:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 392 states have (on average 1.2729591836734695) internal successors, (499), 407 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 499 transitions. [2023-11-06 22:51:59,903 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 499 transitions. Word has length 82 [2023-11-06 22:51:59,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:59,903 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 499 transitions. [2023-11-06 22:51:59,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:59,904 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 499 transitions. [2023-11-06 22:51:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:51:59,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:59,905 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] [2023-11-06 22:51:59,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-06 22:51:59,905 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:51:59,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1358540439, now seen corresponding path program 1 times [2023-11-06 22:51:59,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:59,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160194321] [2023-11-06 22:51:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:00,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:00,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160194321] [2023-11-06 22:52:00,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160194321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:00,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:00,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:52:00,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995384765] [2023-11-06 22:52:00,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:00,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:52:00,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:00,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:52:00,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:00,190 INFO L87 Difference]: Start difference. First operand 408 states and 499 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:01,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:01,883 INFO L93 Difference]: Finished difference Result 783 states and 999 transitions. [2023-11-06 22:52:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:52:01,883 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:52:01,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:01,886 INFO L225 Difference]: With dead ends: 783 [2023-11-06 22:52:01,887 INFO L226 Difference]: Without dead ends: 717 [2023-11-06 22:52:01,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:52:01,888 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 1308 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:01,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 1700 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:52:01,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-11-06 22:52:02,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 404. [2023-11-06 22:52:02,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 388 states have (on average 1.2731958762886597) internal successors, (494), 403 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:02,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 494 transitions. [2023-11-06 22:52:02,065 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 494 transitions. Word has length 82 [2023-11-06 22:52:02,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:02,065 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 494 transitions. [2023-11-06 22:52:02,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:02,066 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 494 transitions. [2023-11-06 22:52:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:52:02,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:02,067 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] [2023-11-06 22:52:02,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-06 22:52:02,067 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:02,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:02,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1796987520, now seen corresponding path program 1 times [2023-11-06 22:52:02,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:02,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074375699] [2023-11-06 22:52:02,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:02,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:02,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:02,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074375699] [2023-11-06 22:52:02,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074375699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:02,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:02,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:52:02,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026591785] [2023-11-06 22:52:02,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:02,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:52:02,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:02,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:52:02,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:02,288 INFO L87 Difference]: Start difference. First operand 404 states and 494 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:04,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:04,125 INFO L93 Difference]: Finished difference Result 845 states and 1083 transitions. [2023-11-06 22:52:04,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:52:04,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:52:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:04,128 INFO L225 Difference]: With dead ends: 845 [2023-11-06 22:52:04,128 INFO L226 Difference]: Without dead ends: 741 [2023-11-06 22:52:04,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:52:04,130 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 1662 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 2083 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:04,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 2083 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:52:04,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2023-11-06 22:52:04,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 400. [2023-11-06 22:52:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 384 states have (on average 1.2734375) internal successors, (489), 399 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 489 transitions. [2023-11-06 22:52:04,326 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 489 transitions. Word has length 82 [2023-11-06 22:52:04,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:04,327 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 489 transitions. [2023-11-06 22:52:04,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 489 transitions. [2023-11-06 22:52:04,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:52:04,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:04,328 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] [2023-11-06 22:52:04,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-06 22:52:04,328 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:04,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:04,328 INFO L85 PathProgramCache]: Analyzing trace with hash -558946144, now seen corresponding path program 1 times [2023-11-06 22:52:04,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:04,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470777442] [2023-11-06 22:52:04,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:04,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:04,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:04,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:04,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470777442] [2023-11-06 22:52:04,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470777442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:04,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:04,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:52:04,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348078415] [2023-11-06 22:52:04,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:04,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:52:04,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:04,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:52:04,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:04,541 INFO L87 Difference]: Start difference. First operand 400 states and 489 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:06,303 INFO L93 Difference]: Finished difference Result 718 states and 903 transitions. [2023-11-06 22:52:06,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:52:06,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:52:06,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:06,305 INFO L225 Difference]: With dead ends: 718 [2023-11-06 22:52:06,305 INFO L226 Difference]: Without dead ends: 713 [2023-11-06 22:52:06,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:52:06,307 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 2214 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:06,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2214 Valid, 1869 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:52:06,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-11-06 22:52:06,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 396. [2023-11-06 22:52:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 380 states have (on average 1.2736842105263158) internal successors, (484), 395 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 484 transitions. [2023-11-06 22:52:06,481 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 484 transitions. Word has length 82 [2023-11-06 22:52:06,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:06,481 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 484 transitions. [2023-11-06 22:52:06,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 484 transitions. [2023-11-06 22:52:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:52:06,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:06,482 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] [2023-11-06 22:52:06,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-06 22:52:06,482 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:06,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:06,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1458444177, now seen corresponding path program 1 times [2023-11-06 22:52:06,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:06,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314405150] [2023-11-06 22:52:06,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:06,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:06,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:06,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314405150] [2023-11-06 22:52:06,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314405150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:06,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:06,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:52:06,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219758907] [2023-11-06 22:52:06,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:06,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:52:06,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:06,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:52:06,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:06,684 INFO L87 Difference]: Start difference. First operand 396 states and 484 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:08,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:08,364 INFO L93 Difference]: Finished difference Result 742 states and 937 transitions. [2023-11-06 22:52:08,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:52:08,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:52:08,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:08,366 INFO L225 Difference]: With dead ends: 742 [2023-11-06 22:52:08,366 INFO L226 Difference]: Without dead ends: 725 [2023-11-06 22:52:08,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:52:08,367 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 1599 mSDsluCounter, 1583 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:08,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 2116 Invalid, 1519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:52:08,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2023-11-06 22:52:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 392. [2023-11-06 22:52:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 376 states have (on average 1.273936170212766) internal successors, (479), 391 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 479 transitions. [2023-11-06 22:52:08,536 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 479 transitions. Word has length 82 [2023-11-06 22:52:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:08,537 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 479 transitions. [2023-11-06 22:52:08,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 479 transitions. [2023-11-06 22:52:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:52:08,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:08,538 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] [2023-11-06 22:52:08,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-06 22:52:08,538 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:08,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:08,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1687929497, now seen corresponding path program 1 times [2023-11-06 22:52:08,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:08,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770426788] [2023-11-06 22:52:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:08,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:09,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:09,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770426788] [2023-11-06 22:52:09,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770426788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:09,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:09,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:52:09,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985576128] [2023-11-06 22:52:09,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:09,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:52:09,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:09,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:52:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:52:09,283 INFO L87 Difference]: Start difference. First operand 392 states and 479 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 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) [2023-11-06 22:52:11,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:11,297 INFO L93 Difference]: Finished difference Result 920 states and 1118 transitions. [2023-11-06 22:52:11,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:52:11,297 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 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 [2023-11-06 22:52:11,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:11,299 INFO L225 Difference]: With dead ends: 920 [2023-11-06 22:52:11,299 INFO L226 Difference]: Without dead ends: 852 [2023-11-06 22:52:11,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:52:11,301 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 3115 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3115 SdHoareTripleChecker+Valid, 3122 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:11,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3115 Valid, 3122 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:52:11,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2023-11-06 22:52:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 388. [2023-11-06 22:52:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 373 states have (on average 1.2707774798927614) internal successors, (474), 387 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 474 transitions. [2023-11-06 22:52:11,521 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 474 transitions. Word has length 83 [2023-11-06 22:52:11,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:11,522 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 474 transitions. [2023-11-06 22:52:11,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 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) [2023-11-06 22:52:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 474 transitions. [2023-11-06 22:52:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:52:11,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:11,523 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] [2023-11-06 22:52:11,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-06 22:52:11,523 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:11,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:11,524 INFO L85 PathProgramCache]: Analyzing trace with hash -92587651, now seen corresponding path program 1 times [2023-11-06 22:52:11,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:11,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944280739] [2023-11-06 22:52:11,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:11,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:12,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:12,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944280739] [2023-11-06 22:52:12,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944280739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:12,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:12,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-06 22:52:12,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490733141] [2023-11-06 22:52:12,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:12,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:52:12,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:12,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:52:12,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:52:12,422 INFO L87 Difference]: Start difference. First operand 388 states and 474 transitions. Second operand has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 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) [2023-11-06 22:52:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:15,095 INFO L93 Difference]: Finished difference Result 1057 states and 1346 transitions. [2023-11-06 22:52:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:52:15,095 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 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 [2023-11-06 22:52:15,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:15,097 INFO L225 Difference]: With dead ends: 1057 [2023-11-06 22:52:15,097 INFO L226 Difference]: Without dead ends: 883 [2023-11-06 22:52:15,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:52:15,099 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 2378 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2378 SdHoareTripleChecker+Valid, 6424 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:15,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2378 Valid, 6424 Invalid, 1578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:52:15,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-11-06 22:52:15,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 339. [2023-11-06 22:52:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 325 states have (on average 1.2615384615384615) internal successors, (410), 338 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 410 transitions. [2023-11-06 22:52:15,353 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 410 transitions. Word has length 83 [2023-11-06 22:52:15,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:15,353 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 410 transitions. [2023-11-06 22:52:15,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 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) [2023-11-06 22:52:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 410 transitions. [2023-11-06 22:52:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:52:15,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:15,354 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] [2023-11-06 22:52:15,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-06 22:52:15,354 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:15,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:15,354 INFO L85 PathProgramCache]: Analyzing trace with hash -119228615, now seen corresponding path program 1 times [2023-11-06 22:52:15,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:15,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092662897] [2023-11-06 22:52:15,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:15,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:15,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:15,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092662897] [2023-11-06 22:52:15,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092662897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:15,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:15,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:52:15,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784820418] [2023-11-06 22:52:15,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:15,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:52:15,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:15,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:52:15,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:52:15,940 INFO L87 Difference]: Start difference. First operand 339 states and 410 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 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) [2023-11-06 22:52:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:17,608 INFO L93 Difference]: Finished difference Result 852 states and 1114 transitions. [2023-11-06 22:52:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:52:17,609 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 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 [2023-11-06 22:52:17,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:17,610 INFO L225 Difference]: With dead ends: 852 [2023-11-06 22:52:17,610 INFO L226 Difference]: Without dead ends: 755 [2023-11-06 22:52:17,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-11-06 22:52:17,611 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 2075 mSDsluCounter, 3570 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2075 SdHoareTripleChecker+Valid, 4373 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:17,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2075 Valid, 4373 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:52:17,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2023-11-06 22:52:17,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 306. [2023-11-06 22:52:17,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 295 states have (on average 1.2542372881355932) internal successors, (370), 305 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 370 transitions. [2023-11-06 22:52:17,822 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 370 transitions. Word has length 83 [2023-11-06 22:52:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:17,822 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 370 transitions. [2023-11-06 22:52:17,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 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) [2023-11-06 22:52:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 370 transitions. [2023-11-06 22:52:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:52:17,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:17,823 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] [2023-11-06 22:52:17,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-06 22:52:17,823 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:17,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:17,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2051820758, now seen corresponding path program 1 times [2023-11-06 22:52:17,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:17,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34193281] [2023-11-06 22:52:17,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:17,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:19,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:19,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:19,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34193281] [2023-11-06 22:52:19,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34193281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:19,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:19,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2023-11-06 22:52:19,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288520917] [2023-11-06 22:52:19,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:19,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-06 22:52:19,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:19,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-06 22:52:19,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-11-06 22:52:19,986 INFO L87 Difference]: Start difference. First operand 306 states and 370 transitions. Second operand has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 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) [2023-11-06 22:52:27,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:27,321 INFO L93 Difference]: Finished difference Result 1053 states and 1311 transitions. [2023-11-06 22:52:27,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-06 22:52:27,322 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 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 [2023-11-06 22:52:27,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:27,324 INFO L225 Difference]: With dead ends: 1053 [2023-11-06 22:52:27,324 INFO L226 Difference]: Without dead ends: 985 [2023-11-06 22:52:27,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=434, Invalid=2322, Unknown=0, NotChecked=0, Total=2756 [2023-11-06 22:52:27,325 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 2908 mSDsluCounter, 10714 mSDsCounter, 0 mSdLazyCounter, 6059 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2908 SdHoareTripleChecker+Valid, 11528 SdHoareTripleChecker+Invalid, 6072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 6059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:27,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2908 Valid, 11528 Invalid, 6072 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 6059 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-06 22:52:27,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2023-11-06 22:52:27,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 326. [2023-11-06 22:52:27,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 315 states have (on average 1.2603174603174603) internal successors, (397), 325 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 397 transitions. [2023-11-06 22:52:27,576 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 397 transitions. Word has length 83 [2023-11-06 22:52:27,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:27,577 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 397 transitions. [2023-11-06 22:52:27,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 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) [2023-11-06 22:52:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 397 transitions. [2023-11-06 22:52:27,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:52:27,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:27,578 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] [2023-11-06 22:52:27,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-06 22:52:27,578 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:27,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:27,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1787055611, now seen corresponding path program 1 times [2023-11-06 22:52:27,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:27,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301545869] [2023-11-06 22:52:27,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:27,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:28,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:28,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301545869] [2023-11-06 22:52:28,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301545869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:28,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:28,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:52:28,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367275673] [2023-11-06 22:52:28,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:28,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:52:28,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:52:28,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:52:28,200 INFO L87 Difference]: Start difference. First operand 326 states and 397 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 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) [2023-11-06 22:52:30,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:30,857 INFO L93 Difference]: Finished difference Result 1103 states and 1478 transitions. [2023-11-06 22:52:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:52:30,858 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 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 [2023-11-06 22:52:30,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:30,859 INFO L225 Difference]: With dead ends: 1103 [2023-11-06 22:52:30,859 INFO L226 Difference]: Without dead ends: 976 [2023-11-06 22:52:30,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:52:30,862 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 2065 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:30,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2065 Valid, 5201 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:52:30,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2023-11-06 22:52:31,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 263. [2023-11-06 22:52:31,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 256 states have (on average 1.2578125) internal successors, (322), 262 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:31,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 322 transitions. [2023-11-06 22:52:31,101 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 322 transitions. Word has length 83 [2023-11-06 22:52:31,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:31,101 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 322 transitions. [2023-11-06 22:52:31,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 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) [2023-11-06 22:52:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 322 transitions. [2023-11-06 22:52:31,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:31,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:31,102 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] [2023-11-06 22:52:31,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-06 22:52:31,103 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:31,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:31,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1276582986, now seen corresponding path program 1 times [2023-11-06 22:52:31,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:31,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216886789] [2023-11-06 22:52:31,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:31,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:31,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:31,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216886789] [2023-11-06 22:52:31,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216886789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:31,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:31,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:52:31,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853511082] [2023-11-06 22:52:31,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:31,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:52:31,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:31,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:52:31,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:52:31,645 INFO L87 Difference]: Start difference. First operand 263 states and 322 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 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) [2023-11-06 22:52:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:32,751 INFO L93 Difference]: Finished difference Result 445 states and 564 transitions. [2023-11-06 22:52:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:52:32,751 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 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 [2023-11-06 22:52:32,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:32,752 INFO L225 Difference]: With dead ends: 445 [2023-11-06 22:52:32,752 INFO L226 Difference]: Without dead ends: 377 [2023-11-06 22:52:32,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:52:32,753 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 1382 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:32,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1382 Valid, 1329 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:52:32,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-11-06 22:52:32,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 239. [2023-11-06 22:52:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 233 states have (on average 1.2446351931330473) internal successors, (290), 238 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 290 transitions. [2023-11-06 22:52:32,966 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 290 transitions. Word has length 84 [2023-11-06 22:52:32,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:32,967 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 290 transitions. [2023-11-06 22:52:32,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 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) [2023-11-06 22:52:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 290 transitions. [2023-11-06 22:52:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:32,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:32,967 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] [2023-11-06 22:52:32,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-06 22:52:32,968 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:32,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:32,968 INFO L85 PathProgramCache]: Analyzing trace with hash -610164347, now seen corresponding path program 1 times [2023-11-06 22:52:32,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:32,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379586963] [2023-11-06 22:52:32,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:32,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:33,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:33,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379586963] [2023-11-06 22:52:33,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379586963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:33,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:33,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:52:33,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456005607] [2023-11-06 22:52:33,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:33,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:52:33,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:52:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:52:33,622 INFO L87 Difference]: Start difference. First operand 239 states and 290 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 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) [2023-11-06 22:52:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:35,496 INFO L93 Difference]: Finished difference Result 631 states and 811 transitions. [2023-11-06 22:52:35,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:52:35,496 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 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 [2023-11-06 22:52:35,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:35,497 INFO L225 Difference]: With dead ends: 631 [2023-11-06 22:52:35,497 INFO L226 Difference]: Without dead ends: 556 [2023-11-06 22:52:35,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:52:35,498 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 1541 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 2889 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:35,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 2889 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:52:35,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2023-11-06 22:52:35,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 228. [2023-11-06 22:52:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 223 states have (on average 1.2376681614349776) internal successors, (276), 227 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 276 transitions. [2023-11-06 22:52:35,709 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 276 transitions. Word has length 84 [2023-11-06 22:52:35,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:35,710 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 276 transitions. [2023-11-06 22:52:35,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 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) [2023-11-06 22:52:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 276 transitions. [2023-11-06 22:52:35,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:35,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:35,710 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] [2023-11-06 22:52:35,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-06 22:52:35,711 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:35,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:35,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1057356833, now seen corresponding path program 1 times [2023-11-06 22:52:35,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:35,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722101058] [2023-11-06 22:52:35,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:35,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:36,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:36,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722101058] [2023-11-06 22:52:36,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722101058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:36,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:36,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:52:36,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939519750] [2023-11-06 22:52:36,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:36,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:52:36,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:36,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:52:36,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:52:36,307 INFO L87 Difference]: Start difference. First operand 228 states and 276 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 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) [2023-11-06 22:52:39,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:39,122 INFO L93 Difference]: Finished difference Result 1004 states and 1348 transitions. [2023-11-06 22:52:39,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:52:39,122 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 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 [2023-11-06 22:52:39,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:39,124 INFO L225 Difference]: With dead ends: 1004 [2023-11-06 22:52:39,124 INFO L226 Difference]: Without dead ends: 933 [2023-11-06 22:52:39,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:52:39,125 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 2455 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2455 SdHoareTripleChecker+Valid, 4188 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:39,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 4188 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:52:39,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2023-11-06 22:52:39,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 221. [2023-11-06 22:52:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.2314814814814814) internal successors, (266), 220 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 266 transitions. [2023-11-06 22:52:39,363 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 266 transitions. Word has length 84 [2023-11-06 22:52:39,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:39,363 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 266 transitions. [2023-11-06 22:52:39,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 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) [2023-11-06 22:52:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 266 transitions. [2023-11-06 22:52:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:39,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:39,365 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] [2023-11-06 22:52:39,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-06 22:52:39,365 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:39,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:39,365 INFO L85 PathProgramCache]: Analyzing trace with hash -446937818, now seen corresponding path program 1 times [2023-11-06 22:52:39,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:39,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128893856] [2023-11-06 22:52:39,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:39,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:39,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:39,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:39,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128893856] [2023-11-06 22:52:39,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128893856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:39,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:39,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:52:39,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627707488] [2023-11-06 22:52:39,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:39,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:52:39,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:39,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:52:39,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:52:39,911 INFO L87 Difference]: Start difference. First operand 221 states and 266 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 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) [2023-11-06 22:52:40,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:40,788 INFO L93 Difference]: Finished difference Result 412 states and 522 transitions. [2023-11-06 22:52:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:52:40,788 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 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 [2023-11-06 22:52:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:40,789 INFO L225 Difference]: With dead ends: 412 [2023-11-06 22:52:40,789 INFO L226 Difference]: Without dead ends: 331 [2023-11-06 22:52:40,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:52:40,790 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 496 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:40,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 2225 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:52:40,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-11-06 22:52:41,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 204. [2023-11-06 22:52:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 200 states have (on average 1.225) internal successors, (245), 203 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 245 transitions. [2023-11-06 22:52:41,015 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 245 transitions. Word has length 84 [2023-11-06 22:52:41,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:41,016 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 245 transitions. [2023-11-06 22:52:41,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 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) [2023-11-06 22:52:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 245 transitions. [2023-11-06 22:52:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:41,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:41,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:41,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-06 22:52:41,017 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:41,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:41,017 INFO L85 PathProgramCache]: Analyzing trace with hash -102555148, now seen corresponding path program 1 times [2023-11-06 22:52:41,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:41,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709803791] [2023-11-06 22:52:41,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:41,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:41,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:41,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709803791] [2023-11-06 22:52:41,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709803791] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:41,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:41,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:52:41,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075951635] [2023-11-06 22:52:41,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:41,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:52:41,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:41,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:52:41,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:41,296 INFO L87 Difference]: Start difference. First operand 204 states and 245 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 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) [2023-11-06 22:52:42,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:42,351 INFO L93 Difference]: Finished difference Result 310 states and 381 transitions. [2023-11-06 22:52:42,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:52:42,352 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 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 [2023-11-06 22:52:42,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:42,352 INFO L225 Difference]: With dead ends: 310 [2023-11-06 22:52:42,352 INFO L226 Difference]: Without dead ends: 303 [2023-11-06 22:52:42,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:52:42,353 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 1110 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:42,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 771 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:52:42,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-06 22:52:42,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 204. [2023-11-06 22:52:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 200 states have (on average 1.22) internal successors, (244), 203 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 244 transitions. [2023-11-06 22:52:42,575 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 244 transitions. Word has length 84 [2023-11-06 22:52:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:42,575 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 244 transitions. [2023-11-06 22:52:42,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 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) [2023-11-06 22:52:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 244 transitions. [2023-11-06 22:52:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:42,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:42,576 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] [2023-11-06 22:52:42,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-06 22:52:42,576 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:42,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:42,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1707932206, now seen corresponding path program 1 times [2023-11-06 22:52:42,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:42,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115310409] [2023-11-06 22:52:42,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:42,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:42,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115310409] [2023-11-06 22:52:42,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115310409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:42,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:42,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:52:42,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520193140] [2023-11-06 22:52:42,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:42,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:52:42,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:42,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:52:42,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:52:42,985 INFO L87 Difference]: Start difference. First operand 204 states and 244 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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) [2023-11-06 22:52:46,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:46,517 INFO L93 Difference]: Finished difference Result 969 states and 1308 transitions. [2023-11-06 22:52:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:52:46,517 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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 [2023-11-06 22:52:46,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:46,519 INFO L225 Difference]: With dead ends: 969 [2023-11-06 22:52:46,519 INFO L226 Difference]: Without dead ends: 887 [2023-11-06 22:52:46,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:52:46,521 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 3009 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3009 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:46,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3009 Valid, 1583 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:52:46,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2023-11-06 22:52:46,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 208. [2023-11-06 22:52:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 248 transitions. [2023-11-06 22:52:46,809 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 248 transitions. Word has length 84 [2023-11-06 22:52:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:46,809 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 248 transitions. [2023-11-06 22:52:46,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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) [2023-11-06 22:52:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 248 transitions. [2023-11-06 22:52:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 22:52:46,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:46,810 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] [2023-11-06 22:52:46,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-06 22:52:46,811 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:46,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:46,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1658257545, now seen corresponding path program 1 times [2023-11-06 22:52:46,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:46,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017504564] [2023-11-06 22:52:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:46,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:47,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:47,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017504564] [2023-11-06 22:52:47,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017504564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:47,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:47,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:52:47,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967792472] [2023-11-06 22:52:47,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:47,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:52:47,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:47,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:52:47,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:47,072 INFO L87 Difference]: Start difference. First operand 208 states and 248 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:48,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:48,056 INFO L93 Difference]: Finished difference Result 314 states and 384 transitions. [2023-11-06 22:52:48,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:52:48,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-11-06 22:52:48,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:48,057 INFO L225 Difference]: With dead ends: 314 [2023-11-06 22:52:48,057 INFO L226 Difference]: Without dead ends: 307 [2023-11-06 22:52:48,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:52:48,058 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 1288 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:48,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 593 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:52:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-06 22:52:48,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 208. [2023-11-06 22:52:48,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 204 states have (on average 1.2107843137254901) internal successors, (247), 207 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 247 transitions. [2023-11-06 22:52:48,277 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 247 transitions. Word has length 85 [2023-11-06 22:52:48,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:48,277 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 247 transitions. [2023-11-06 22:52:48,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 247 transitions. [2023-11-06 22:52:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 22:52:48,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:48,278 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] [2023-11-06 22:52:48,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-06 22:52:48,278 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:48,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:48,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1176082131, now seen corresponding path program 1 times [2023-11-06 22:52:48,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:48,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5600994] [2023-11-06 22:52:48,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:48,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:48,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:48,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5600994] [2023-11-06 22:52:48,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5600994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:48,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:48,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:52:48,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102647577] [2023-11-06 22:52:48,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:48,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:52:48,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:48,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:52:48,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:48,518 INFO L87 Difference]: Start difference. First operand 208 states and 247 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:49,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:49,649 INFO L93 Difference]: Finished difference Result 409 states and 511 transitions. [2023-11-06 22:52:49,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:52:49,650 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-11-06 22:52:49,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:49,651 INFO L225 Difference]: With dead ends: 409 [2023-11-06 22:52:49,651 INFO L226 Difference]: Without dead ends: 327 [2023-11-06 22:52:49,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:52:49,652 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1067 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:49,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 799 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:52:49,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-11-06 22:52:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 204. [2023-11-06 22:52:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 200 states have (on average 1.21) internal successors, (242), 203 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:49,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 242 transitions. [2023-11-06 22:52:49,870 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 242 transitions. Word has length 85 [2023-11-06 22:52:49,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:49,870 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 242 transitions. [2023-11-06 22:52:49,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:49,871 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2023-11-06 22:52:49,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:52:49,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:49,872 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] [2023-11-06 22:52:49,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-06 22:52:49,872 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:49,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:49,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1644810532, now seen corresponding path program 1 times [2023-11-06 22:52:49,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:49,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588524001] [2023-11-06 22:52:49,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:49,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:51,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:51,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588524001] [2023-11-06 22:52:51,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588524001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:51,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:51,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-11-06 22:52:51,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385891902] [2023-11-06 22:52:51,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:51,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-06 22:52:51,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:51,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-06 22:52:51,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:52:51,972 INFO L87 Difference]: Start difference. First operand 204 states and 242 transitions. Second operand has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 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) [2023-11-06 22:52:58,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:58,329 INFO L93 Difference]: Finished difference Result 770 states and 966 transitions. [2023-11-06 22:52:58,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 22:52:58,329 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 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 [2023-11-06 22:52:58,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:58,331 INFO L225 Difference]: With dead ends: 770 [2023-11-06 22:52:58,331 INFO L226 Difference]: Without dead ends: 762 [2023-11-06 22:52:58,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=425, Invalid=2125, Unknown=0, NotChecked=0, Total=2550 [2023-11-06 22:52:58,332 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 2707 mSDsluCounter, 8588 mSDsCounter, 0 mSdLazyCounter, 4416 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2707 SdHoareTripleChecker+Valid, 9263 SdHoareTripleChecker+Invalid, 4430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 4416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:58,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2707 Valid, 9263 Invalid, 4430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 4416 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-06 22:52:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2023-11-06 22:52:58,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 223. [2023-11-06 22:52:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 219 states have (on average 1.2100456621004567) internal successors, (265), 222 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 265 transitions. [2023-11-06 22:52:58,574 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 265 transitions. Word has length 86 [2023-11-06 22:52:58,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:58,575 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 265 transitions. [2023-11-06 22:52:58,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 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) [2023-11-06 22:52:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 265 transitions. [2023-11-06 22:52:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:52:58,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:58,576 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] [2023-11-06 22:52:58,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-06 22:52:58,576 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:52:58,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:58,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1161243347, now seen corresponding path program 1 times [2023-11-06 22:52:58,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:58,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801592419] [2023-11-06 22:52:58,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:58,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:00,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:00,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801592419] [2023-11-06 22:53:00,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801592419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:00,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:00,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-11-06 22:53:00,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042548771] [2023-11-06 22:53:00,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:00,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-06 22:53:00,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:00,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-06 22:53:00,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:53:00,527 INFO L87 Difference]: Start difference. First operand 223 states and 265 transitions. Second operand has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 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) [2023-11-06 22:53:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:07,737 INFO L93 Difference]: Finished difference Result 1038 states and 1349 transitions. [2023-11-06 22:53:07,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 22:53:07,738 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 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 [2023-11-06 22:53:07,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:07,739 INFO L225 Difference]: With dead ends: 1038 [2023-11-06 22:53:07,739 INFO L226 Difference]: Without dead ends: 1032 [2023-11-06 22:53:07,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=426, Invalid=2124, Unknown=0, NotChecked=0, Total=2550 [2023-11-06 22:53:07,741 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 2674 mSDsluCounter, 9285 mSDsCounter, 0 mSdLazyCounter, 4945 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2674 SdHoareTripleChecker+Valid, 10013 SdHoareTripleChecker+Invalid, 4965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 4945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:07,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2674 Valid, 10013 Invalid, 4965 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 4945 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-06 22:53:07,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2023-11-06 22:53:08,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 229. [2023-11-06 22:53:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 225 states have (on average 1.2133333333333334) internal successors, (273), 228 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 273 transitions. [2023-11-06 22:53:08,038 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 273 transitions. Word has length 86 [2023-11-06 22:53:08,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:08,039 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 273 transitions. [2023-11-06 22:53:08,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 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) [2023-11-06 22:53:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 273 transitions. [2023-11-06 22:53:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 22:53:08,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:08,039 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] [2023-11-06 22:53:08,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-06 22:53:08,040 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:08,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:08,041 INFO L85 PathProgramCache]: Analyzing trace with hash 575495472, now seen corresponding path program 1 times [2023-11-06 22:53:08,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:08,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954576049] [2023-11-06 22:53:08,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:08,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:08,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:08,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954576049] [2023-11-06 22:53:08,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954576049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:08,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:08,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:53:08,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706069799] [2023-11-06 22:53:08,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:08,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:53:08,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:08,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:53:08,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:53:08,642 INFO L87 Difference]: Start difference. First operand 229 states and 273 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 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) [2023-11-06 22:53:10,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:10,790 INFO L93 Difference]: Finished difference Result 660 states and 853 transitions. [2023-11-06 22:53:10,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:53:10,790 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 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 [2023-11-06 22:53:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:10,791 INFO L225 Difference]: With dead ends: 660 [2023-11-06 22:53:10,791 INFO L226 Difference]: Without dead ends: 645 [2023-11-06 22:53:10,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:53:10,792 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1362 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 3819 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:10,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 3819 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:53:10,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2023-11-06 22:53:11,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 213. [2023-11-06 22:53:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 255 transitions. [2023-11-06 22:53:11,039 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 255 transitions. Word has length 87 [2023-11-06 22:53:11,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:11,040 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 255 transitions. [2023-11-06 22:53:11,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 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) [2023-11-06 22:53:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 255 transitions. [2023-11-06 22:53:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 22:53:11,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:11,040 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] [2023-11-06 22:53:11,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-06 22:53:11,041 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:11,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:11,041 INFO L85 PathProgramCache]: Analyzing trace with hash 91928287, now seen corresponding path program 1 times [2023-11-06 22:53:11,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:11,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558756191] [2023-11-06 22:53:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:11,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:12,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:12,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558756191] [2023-11-06 22:53:12,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558756191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:12,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:12,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-06 22:53:12,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039554329] [2023-11-06 22:53:12,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:12,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 22:53:12,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:12,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 22:53:12,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:53:12,774 INFO L87 Difference]: Start difference. First operand 213 states and 255 transitions. Second operand has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 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) [2023-11-06 22:53:21,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:21,124 INFO L93 Difference]: Finished difference Result 970 states and 1289 transitions. [2023-11-06 22:53:21,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-06 22:53:21,124 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 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 [2023-11-06 22:53:21,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:21,126 INFO L225 Difference]: With dead ends: 970 [2023-11-06 22:53:21,127 INFO L226 Difference]: Without dead ends: 964 [2023-11-06 22:53:21,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=350, Invalid=1720, Unknown=0, NotChecked=0, Total=2070 [2023-11-06 22:53:21,127 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 1477 mSDsluCounter, 11567 mSDsCounter, 0 mSdLazyCounter, 5320 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 12430 SdHoareTripleChecker+Invalid, 5330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:21,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 12430 Invalid, 5330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 5320 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-06 22:53:21,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2023-11-06 22:53:21,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 208. [2023-11-06 22:53:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 205 states have (on average 1.2146341463414634) internal successors, (249), 207 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 249 transitions. [2023-11-06 22:53:21,561 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 249 transitions. Word has length 87 [2023-11-06 22:53:21,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:21,561 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 249 transitions. [2023-11-06 22:53:21,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 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) [2023-11-06 22:53:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 249 transitions. [2023-11-06 22:53:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 22:53:21,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:21,562 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] [2023-11-06 22:53:21,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-06 22:53:21,563 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:21,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:21,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1263441831, now seen corresponding path program 1 times [2023-11-06 22:53:21,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:21,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434739045] [2023-11-06 22:53:21,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:21,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:23,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:23,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434739045] [2023-11-06 22:53:23,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434739045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:23,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:23,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-11-06 22:53:23,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451364528] [2023-11-06 22:53:23,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:23,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-06 22:53:23,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:23,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-06 22:53:23,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:53:23,602 INFO L87 Difference]: Start difference. First operand 208 states and 249 transitions. Second operand has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 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) [2023-11-06 22:53:32,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:32,954 INFO L93 Difference]: Finished difference Result 960 states and 1245 transitions. [2023-11-06 22:53:32,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-06 22:53:32,954 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 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 [2023-11-06 22:53:32,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:32,956 INFO L225 Difference]: With dead ends: 960 [2023-11-06 22:53:32,956 INFO L226 Difference]: Without dead ends: 952 [2023-11-06 22:53:32,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=569, Invalid=2293, Unknown=0, NotChecked=0, Total=2862 [2023-11-06 22:53:32,957 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 2332 mSDsluCounter, 10999 mSDsCounter, 0 mSdLazyCounter, 5957 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2332 SdHoareTripleChecker+Valid, 11745 SdHoareTripleChecker+Invalid, 5966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:32,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2332 Valid, 11745 Invalid, 5966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 5957 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-06 22:53:32,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2023-11-06 22:53:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 218. [2023-11-06 22:53:33,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 215 states have (on average 1.2093023255813953) internal successors, (260), 217 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:33,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 260 transitions. [2023-11-06 22:53:33,378 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 260 transitions. Word has length 87 [2023-11-06 22:53:33,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:33,378 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 260 transitions. [2023-11-06 22:53:33,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 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) [2023-11-06 22:53:33,379 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 260 transitions. [2023-11-06 22:53:33,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 22:53:33,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:33,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:33,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-06 22:53:33,379 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:33,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:33,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1168057198, now seen corresponding path program 1 times [2023-11-06 22:53:33,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:33,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502357617] [2023-11-06 22:53:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:33,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:33,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:33,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502357617] [2023-11-06 22:53:33,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502357617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:33,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:33,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:53:33,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928076895] [2023-11-06 22:53:33,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:33,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:53:33,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:33,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:53:33,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:53:33,884 INFO L87 Difference]: Start difference. First operand 218 states and 260 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 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) [2023-11-06 22:53:36,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:36,747 INFO L93 Difference]: Finished difference Result 735 states and 974 transitions. [2023-11-06 22:53:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:53:36,748 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 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 [2023-11-06 22:53:36,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:36,749 INFO L225 Difference]: With dead ends: 735 [2023-11-06 22:53:36,749 INFO L226 Difference]: Without dead ends: 729 [2023-11-06 22:53:36,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:53:36,750 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 1792 mSDsluCounter, 2503 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:36,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 2969 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:53:36,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-11-06 22:53:37,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 196. [2023-11-06 22:53:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 194 states have (on average 1.2061855670103092) internal successors, (234), 195 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 234 transitions. [2023-11-06 22:53:37,030 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 234 transitions. Word has length 87 [2023-11-06 22:53:37,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:37,030 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 234 transitions. [2023-11-06 22:53:37,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 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) [2023-11-06 22:53:37,030 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 234 transitions. [2023-11-06 22:53:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-06 22:53:37,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:37,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:37,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-06 22:53:37,031 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:37,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:37,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1503610841, now seen corresponding path program 1 times [2023-11-06 22:53:37,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:37,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197897306] [2023-11-06 22:53:37,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:37,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:37,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:37,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197897306] [2023-11-06 22:53:37,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197897306] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:37,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:37,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:53:37,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653849520] [2023-11-06 22:53:37,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:37,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:53:37,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:37,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:53:37,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:53:37,402 INFO L87 Difference]: Start difference. First operand 196 states and 234 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:38,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:38,681 INFO L93 Difference]: Finished difference Result 433 states and 560 transitions. [2023-11-06 22:53:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:53:38,684 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-11-06 22:53:38,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:38,685 INFO L225 Difference]: With dead ends: 433 [2023-11-06 22:53:38,685 INFO L226 Difference]: Without dead ends: 393 [2023-11-06 22:53:38,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:53:38,686 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1128 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:38,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1098 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:53:38,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-11-06 22:53:38,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 156. [2023-11-06 22:53:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.2258064516129032) internal successors, (190), 155 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2023-11-06 22:53:38,928 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 88 [2023-11-06 22:53:38,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:38,928 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2023-11-06 22:53:38,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2023-11-06 22:53:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:53:38,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:38,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:38,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-06 22:53:38,929 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:38,930 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:38,930 INFO L85 PathProgramCache]: Analyzing trace with hash -2132814901, now seen corresponding path program 1 times [2023-11-06 22:53:38,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:38,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379880068] [2023-11-06 22:53:38,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:38,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:39,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:39,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379880068] [2023-11-06 22:53:39,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379880068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:39,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:39,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:53:39,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22474459] [2023-11-06 22:53:39,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:39,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:53:39,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:39,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:53:39,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:53:39,054 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:41,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:41,503 INFO L93 Difference]: Finished difference Result 796 states and 1110 transitions. [2023-11-06 22:53:41,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:53:41,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-11-06 22:53:41,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:41,505 INFO L225 Difference]: With dead ends: 796 [2023-11-06 22:53:41,505 INFO L226 Difference]: Without dead ends: 732 [2023-11-06 22:53:41,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:53:41,506 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1241 mSDsluCounter, 1932 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:41,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 2133 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:41,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2023-11-06 22:53:42,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 218. [2023-11-06 22:53:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 217 states have (on average 1.2903225806451613) internal successors, (280), 217 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 280 transitions. [2023-11-06 22:53:42,131 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 280 transitions. Word has length 114 [2023-11-06 22:53:42,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:42,131 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 280 transitions. [2023-11-06 22:53:42,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 280 transitions. [2023-11-06 22:53:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:53:42,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:42,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:42,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-11-06 22:53:42,132 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:42,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:42,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1778175941, now seen corresponding path program 1 times [2023-11-06 22:53:42,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:42,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546405416] [2023-11-06 22:53:42,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:42,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:42,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:42,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:42,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546405416] [2023-11-06 22:53:42,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546405416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:42,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:42,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:53:42,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470277979] [2023-11-06 22:53:42,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:42,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:53:42,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:42,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:53:42,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:53:42,258 INFO L87 Difference]: Start difference. First operand 218 states and 280 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:45,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:45,070 INFO L93 Difference]: Finished difference Result 912 states and 1281 transitions. [2023-11-06 22:53:45,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:45,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-11-06 22:53:45,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:45,071 INFO L225 Difference]: With dead ends: 912 [2023-11-06 22:53:45,071 INFO L226 Difference]: Without dead ends: 786 [2023-11-06 22:53:45,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:53:45,072 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 1007 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:45,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 1190 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:45,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2023-11-06 22:53:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 280. [2023-11-06 22:53:45,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 279 states have (on average 1.3261648745519714) internal successors, (370), 279 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 370 transitions. [2023-11-06 22:53:45,698 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 370 transitions. Word has length 116 [2023-11-06 22:53:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:45,698 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 370 transitions. [2023-11-06 22:53:45,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 370 transitions. [2023-11-06 22:53:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:53:45,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:45,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:45,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-11-06 22:53:45,699 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:45,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:45,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1881237749, now seen corresponding path program 1 times [2023-11-06 22:53:45,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:45,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209875309] [2023-11-06 22:53:45,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:45,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:45,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:45,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209875309] [2023-11-06 22:53:45,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209875309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:45,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:45,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:53:45,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146400689] [2023-11-06 22:53:45,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:45,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:53:45,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:45,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:53:45,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:53:45,842 INFO L87 Difference]: Start difference. First operand 280 states and 370 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:48,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:48,600 INFO L93 Difference]: Finished difference Result 974 states and 1371 transitions. [2023-11-06 22:53:48,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:48,600 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-11-06 22:53:48,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:48,602 INFO L225 Difference]: With dead ends: 974 [2023-11-06 22:53:48,602 INFO L226 Difference]: Without dead ends: 848 [2023-11-06 22:53:48,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:53:48,602 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1007 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:48,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 1139 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:48,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2023-11-06 22:53:49,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 404. [2023-11-06 22:53:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 1.3647642679900744) internal successors, (550), 403 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:49,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 550 transitions. [2023-11-06 22:53:49,679 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 550 transitions. Word has length 116 [2023-11-06 22:53:49,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:49,680 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 550 transitions. [2023-11-06 22:53:49,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:49,680 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 550 transitions. [2023-11-06 22:53:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:53:49,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:49,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:49,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-11-06 22:53:49,681 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:49,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:49,681 INFO L85 PathProgramCache]: Analyzing trace with hash -455453719, now seen corresponding path program 1 times [2023-11-06 22:53:49,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:49,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909424458] [2023-11-06 22:53:49,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:49,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:49,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:49,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909424458] [2023-11-06 22:53:49,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909424458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:49,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:49,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:53:49,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645331434] [2023-11-06 22:53:49,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:49,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:53:49,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:49,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:53:49,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:53:49,802 INFO L87 Difference]: Start difference. First operand 404 states and 550 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:52,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:52,691 INFO L93 Difference]: Finished difference Result 1036 states and 1461 transitions. [2023-11-06 22:53:52,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:52,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-11-06 22:53:52,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:52,693 INFO L225 Difference]: With dead ends: 1036 [2023-11-06 22:53:52,693 INFO L226 Difference]: Without dead ends: 910 [2023-11-06 22:53:52,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:53:52,694 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1083 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:52,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 1157 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:52,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2023-11-06 22:53:54,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 466. [2023-11-06 22:53:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 465 states have (on average 1.3763440860215055) internal successors, (640), 465 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 640 transitions. [2023-11-06 22:53:54,118 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 640 transitions. Word has length 116 [2023-11-06 22:53:54,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:54,119 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 640 transitions. [2023-11-06 22:53:54,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 640 transitions. [2023-11-06 22:53:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:53:54,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:54,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:54,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-06 22:53:54,120 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:54,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2067568748, now seen corresponding path program 1 times [2023-11-06 22:53:54,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:54,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659962043] [2023-11-06 22:53:54,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:54,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659962043] [2023-11-06 22:53:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659962043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:54,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:54,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:53:54,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952738497] [2023-11-06 22:53:54,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:54,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:53:54,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:54,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:53:54,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:53:54,339 INFO L87 Difference]: Start difference. First operand 466 states and 640 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:56,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:56,811 INFO L93 Difference]: Finished difference Result 1028 states and 1453 transitions. [2023-11-06 22:53:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:56,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-11-06 22:53:56,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:56,812 INFO L225 Difference]: With dead ends: 1028 [2023-11-06 22:53:56,812 INFO L226 Difference]: Without dead ends: 654 [2023-11-06 22:53:56,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:53:56,814 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 168 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:56,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 547 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:56,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2023-11-06 22:53:58,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2023-11-06 22:53:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 651 states have (on average 1.390168970814132) internal successors, (905), 651 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 905 transitions. [2023-11-06 22:53:58,905 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 905 transitions. Word has length 116 [2023-11-06 22:53:58,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:58,905 INFO L495 AbstractCegarLoop]: Abstraction has 652 states and 905 transitions. [2023-11-06 22:53:58,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 905 transitions. [2023-11-06 22:53:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:53:58,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:58,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:58,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-06 22:53:58,907 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:53:58,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:58,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1298275755, now seen corresponding path program 1 times [2023-11-06 22:53:58,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:58,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272568741] [2023-11-06 22:53:58,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:58,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:58,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:58,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272568741] [2023-11-06 22:53:58,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272568741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:58,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:58,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:53:58,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315141641] [2023-11-06 22:53:58,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:58,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:53:58,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:58,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:53:58,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:53:58,961 INFO L87 Difference]: Start difference. First operand 652 states and 905 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:00,808 INFO L93 Difference]: Finished difference Result 1217 states and 1717 transitions. [2023-11-06 22:54:00,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:00,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-11-06 22:54:00,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:00,810 INFO L225 Difference]: With dead ends: 1217 [2023-11-06 22:54:00,811 INFO L226 Difference]: Without dead ends: 648 [2023-11-06 22:54:00,811 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 [2023-11-06 22:54:00,812 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:00,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 368 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2023-11-06 22:54:02,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2023-11-06 22:54:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 647 states have (on average 1.3786707882534777) internal successors, (892), 647 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 892 transitions. [2023-11-06 22:54:02,669 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 892 transitions. Word has length 116 [2023-11-06 22:54:02,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:02,670 INFO L495 AbstractCegarLoop]: Abstraction has 648 states and 892 transitions. [2023-11-06 22:54:02,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 892 transitions. [2023-11-06 22:54:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:54:02,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:02,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:02,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-11-06 22:54:02,672 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:54:02,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:02,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1451686365, now seen corresponding path program 1 times [2023-11-06 22:54:02,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:02,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770117175] [2023-11-06 22:54:02,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:02,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:02,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:02,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770117175] [2023-11-06 22:54:02,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770117175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:02,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:02,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:54:02,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507630991] [2023-11-06 22:54:02,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:02,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:54:02,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:02,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:54:02,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:02,840 INFO L87 Difference]: Start difference. First operand 648 states and 892 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)