./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.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_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/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_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/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_d4c47328-9568-4efa-9a29-3a424310b928/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 700a368a7186f7babba672e6f0e63377b52860406179fc124b8eed545215de4f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:01:27,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:01:27,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:01:27,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:01:27,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:01:27,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:01:27,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:01:27,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:01:27,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:01:27,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:01:27,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:01:27,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:01:27,706 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:01:27,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:01:27,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:01:27,709 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:01:27,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:01:27,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:01:27,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:01:27,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:01:27,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:01:27,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:01:27,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:01:27,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:01:27,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:01:27,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:01:27,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:01:27,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:01:27,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:27,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:01:27,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:01:27,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:01:27,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:01:27,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:01:27,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:01:27,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:01:27,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:01:27,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:01:27,720 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:01:27,720 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_d4c47328-9568-4efa-9a29-3a424310b928/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 700a368a7186f7babba672e6f0e63377b52860406179fc124b8eed545215de4f [2023-11-06 22:01:28,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:01:28,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:01:28,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:01:28,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:01:28,073 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:01:28,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2023-11-06 22:01:31,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:01:31,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:01:31,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2023-11-06 22:01:31,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/data/e41a52153/698edc22590642228378f534f8682627/FLAG14bc13709 [2023-11-06 22:01:31,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/data/e41a52153/698edc22590642228378f534f8682627 [2023-11-06 22:01:31,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:01:31,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:01:31,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:31,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:01:31,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:01:31,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:31" (1/1) ... [2023-11-06 22:01:31,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e437b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:31, skipping insertion in model container [2023-11-06 22:01:31,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:31" (1/1) ... [2023-11-06 22:01:32,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:01:32,632 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[14181,14194] [2023-11-06 22:01:32,677 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[18885,18898] [2023-11-06 22:01:32,689 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20177,20190] [2023-11-06 22:01:32,698 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20935,20948] [2023-11-06 22:01:32,712 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[22598,22611] [2023-11-06 22:01:32,720 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[23356,23369] [2023-11-06 22:01:32,730 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[24485,24498] [2023-11-06 22:01:32,751 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27110,27123] [2023-11-06 22:01:32,759 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27871,27884] [2023-11-06 22:01:32,769 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[29003,29016] [2023-11-06 22:01:32,786 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[31094,31107] [2023-11-06 22:01:32,816 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35189,35202] [2023-11-06 22:01:32,825 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35950,35963] [2023-11-06 22:01:32,835 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[37043,37056] [2023-11-06 22:01:32,852 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[39095,39108] [2023-11-06 22:01:32,883 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[42827,42840] [2023-11-06 22:01:32,931 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50005,50018] [2023-11-06 22:01:32,952 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50766,50779] [2023-11-06 22:01:32,980 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[51898,51911] [2023-11-06 22:01:33,008 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[53989,54002] [2023-11-06 22:01:33,050 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[57550,57563] [2023-11-06 22:01:33,093 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[63548,63561] [2023-11-06 22:01:33,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:33,694 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:01:33,845 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[14181,14194] [2023-11-06 22:01:33,898 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[18885,18898] [2023-11-06 22:01:33,919 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20177,20190] [2023-11-06 22:01:33,934 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20935,20948] [2023-11-06 22:01:33,959 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[22598,22611] [2023-11-06 22:01:33,973 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[23356,23369] [2023-11-06 22:01:33,992 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[24485,24498] [2023-11-06 22:01:34,034 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27110,27123] [2023-11-06 22:01:34,041 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27871,27884] [2023-11-06 22:01:34,048 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[29003,29016] [2023-11-06 22:01:34,058 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[31094,31107] [2023-11-06 22:01:34,075 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35189,35202] [2023-11-06 22:01:34,104 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35950,35963] [2023-11-06 22:01:34,110 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[37043,37056] [2023-11-06 22:01:34,120 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[39095,39108] [2023-11-06 22:01:34,138 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[42827,42840] [2023-11-06 22:01:34,168 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50005,50018] [2023-11-06 22:01:34,173 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50766,50779] [2023-11-06 22:01:34,179 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[51898,51911] [2023-11-06 22:01:34,189 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[53989,54002] [2023-11-06 22:01:34,210 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[57550,57563] [2023-11-06 22:01:34,234 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_d4c47328-9568-4efa-9a29-3a424310b928/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[63548,63561] [2023-11-06 22:01:34,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:34,568 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:01:34,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34 WrapperNode [2023-11-06 22:01:34,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:34,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:34,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:01:34,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:01:34,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,771 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7077 [2023-11-06 22:01:34,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:34,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:01:34,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:01:34,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:01:34,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:01:34,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:01:34,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:01:34,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:01:34,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (1/1) ... [2023-11-06 22:01:34,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:34,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:35,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:01:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c47328-9568-4efa-9a29-3a424310b928/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:01:35,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:01:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:01:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:01:35,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:01:35,548 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:01:35,551 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:01:38,882 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:01:38,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:01:38,900 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:01:38,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:38 BoogieIcfgContainer [2023-11-06 22:01:38,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:01:38,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:01:38,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:01:38,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:01:38,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:01:31" (1/3) ... [2023-11-06 22:01:38,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243b48db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:38, skipping insertion in model container [2023-11-06 22:01:38,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:34" (2/3) ... [2023-11-06 22:01:38,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243b48db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:38, skipping insertion in model container [2023-11-06 22:01:38,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:38" (3/3) ... [2023-11-06 22:01:38,915 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2023-11-06 22:01:38,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:01:38,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-06 22:01:39,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:01:39,026 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;@12e4f0a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:01:39,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-06 22:01:39,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 1132 states, 1108 states have (on average 1.855595667870036) internal successors, (2056), 1131 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:01:39,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:39,064 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 22:01:39,064 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:39,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:39,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1995797141, now seen corresponding path program 1 times [2023-11-06 22:01:39,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:39,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598516391] [2023-11-06 22:01:39,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:39,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:39,907 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 22:01:39,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:39,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598516391] [2023-11-06 22:01:39,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598516391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:39,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:39,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:01:39,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402161246] [2023-11-06 22:01:39,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:39,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:01:39,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:39,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:01:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:01:39,953 INFO L87 Difference]: Start difference. First operand has 1132 states, 1108 states have (on average 1.855595667870036) internal successors, (2056), 1131 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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 22:01:40,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:40,894 INFO L93 Difference]: Finished difference Result 1717 states and 3012 transitions. [2023-11-06 22:01:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:01:40,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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 22:01:40,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:40,922 INFO L225 Difference]: With dead ends: 1717 [2023-11-06 22:01:40,922 INFO L226 Difference]: Without dead ends: 874 [2023-11-06 22:01:40,933 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 22:01:40,943 INFO L413 NwaCegarLoop]: 1034 mSDtfsCounter, 4517 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4517 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:40,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4517 Valid, 1048 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:01:40,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2023-11-06 22:01:41,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2023-11-06 22:01:41,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 852 states have (on average 1.3157276995305165) internal successors, (1121), 873 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states 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 22:01:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1121 transitions. [2023-11-06 22:01:41,075 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1121 transitions. Word has length 86 [2023-11-06 22:01:41,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:41,076 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 1121 transitions. [2023-11-06 22:01:41,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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 22:01:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1121 transitions. [2023-11-06 22:01:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 22:01:41,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:41,082 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 22:01:41,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:01:41,083 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:41,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:41,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1029751, now seen corresponding path program 1 times [2023-11-06 22:01:41,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:41,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888679815] [2023-11-06 22:01:41,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:41,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:41,356 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 22:01:41,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:41,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888679815] [2023-11-06 22:01:41,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888679815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:41,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:41,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:01:41,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734992838] [2023-11-06 22:01:41,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:41,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:01:41,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:41,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:01:41,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:01:41,361 INFO L87 Difference]: Start difference. First operand 874 states and 1121 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 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 22:01:42,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:42,105 INFO L93 Difference]: Finished difference Result 1448 states and 1911 transitions. [2023-11-06 22:01:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:01:42,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 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 22:01:42,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:42,111 INFO L225 Difference]: With dead ends: 1448 [2023-11-06 22:01:42,111 INFO L226 Difference]: Without dead ends: 770 [2023-11-06 22:01:42,113 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 22:01:42,114 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 2889 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2889 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:42,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2889 Valid, 566 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:01:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2023-11-06 22:01:42,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2023-11-06 22:01:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 748 states have (on average 1.3368983957219251) internal successors, (1000), 769 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states 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 22:01:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1000 transitions. [2023-11-06 22:01:42,168 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1000 transitions. Word has length 87 [2023-11-06 22:01:42,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:42,168 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1000 transitions. [2023-11-06 22:01:42,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 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 22:01:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1000 transitions. [2023-11-06 22:01:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-06 22:01:42,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:42,172 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 22:01:42,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:01:42,172 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:42,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:42,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1805729392, now seen corresponding path program 1 times [2023-11-06 22:01:42,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:42,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57562580] [2023-11-06 22:01:42,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:42,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:42,489 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 22:01:42,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:42,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57562580] [2023-11-06 22:01:42,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57562580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:42,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:42,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:01:42,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78977160] [2023-11-06 22:01:42,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:42,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:01:42,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:42,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:01:42,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:01:42,492 INFO L87 Difference]: Start difference. First operand 770 states and 1000 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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 22:01:43,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:43,199 INFO L93 Difference]: Finished difference Result 1344 states and 1789 transitions. [2023-11-06 22:01:43,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:01:43,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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 22:01:43,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:43,208 INFO L225 Difference]: With dead ends: 1344 [2023-11-06 22:01:43,208 INFO L226 Difference]: Without dead ends: 706 [2023-11-06 22:01:43,210 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 22:01:43,213 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 2688 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:43,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 534 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:01:43,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-11-06 22:01:43,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2023-11-06 22:01:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 684 states have (on average 1.355263157894737) internal successors, (927), 705 states have internal predecessors, (927), 0 states have call successors, (0), 0 states 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 22:01:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 927 transitions. [2023-11-06 22:01:43,296 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 927 transitions. Word has length 88 [2023-11-06 22:01:43,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:43,298 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 927 transitions. [2023-11-06 22:01:43,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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 22:01:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 927 transitions. [2023-11-06 22:01:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-06 22:01:43,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:43,302 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] [2023-11-06 22:01:43,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:01:43,302 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:43,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:43,304 INFO L85 PathProgramCache]: Analyzing trace with hash 19097864, now seen corresponding path program 1 times [2023-11-06 22:01:43,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:43,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276809476] [2023-11-06 22:01:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:43,592 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 22:01:43,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:43,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276809476] [2023-11-06 22:01:43,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276809476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:43,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:43,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:01:43,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287018199] [2023-11-06 22:01:43,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:43,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:01:43,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:43,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:01:43,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:01:43,597 INFO L87 Difference]: Start difference. First operand 706 states and 927 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 22:01:44,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:44,238 INFO L93 Difference]: Finished difference Result 1280 states and 1715 transitions. [2023-11-06 22:01:44,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:01:44,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-11-06 22:01:44,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:44,246 INFO L225 Difference]: With dead ends: 1280 [2023-11-06 22:01:44,246 INFO L226 Difference]: Without dead ends: 665 [2023-11-06 22:01:44,247 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 22:01:44,250 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 2576 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:44,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 509 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:01:44,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2023-11-06 22:01:44,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2023-11-06 22:01:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 643 states have (on average 1.370139968895801) internal successors, (881), 664 states have internal predecessors, (881), 0 states have call successors, (0), 0 states 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 22:01:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 881 transitions. [2023-11-06 22:01:44,369 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 881 transitions. Word has length 89 [2023-11-06 22:01:44,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:44,369 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 881 transitions. [2023-11-06 22:01:44,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 22:01:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 881 transitions. [2023-11-06 22:01:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-06 22:01:44,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:44,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:44,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:01:44,380 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:44,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:44,381 INFO L85 PathProgramCache]: Analyzing trace with hash 817016169, now seen corresponding path program 1 times [2023-11-06 22:01:44,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:44,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99555295] [2023-11-06 22:01:44,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:44,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:44,622 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 22:01:44,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:44,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99555295] [2023-11-06 22:01:44,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99555295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:44,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:44,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:01:44,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179298387] [2023-11-06 22:01:44,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:44,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:01:44,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:44,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:01:44,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:01:44,628 INFO L87 Difference]: Start difference. First operand 665 states and 881 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:45,284 INFO L93 Difference]: Finished difference Result 1239 states and 1668 transitions. [2023-11-06 22:01:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:01:45,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-11-06 22:01:45,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:45,290 INFO L225 Difference]: With dead ends: 1239 [2023-11-06 22:01:45,291 INFO L226 Difference]: Without dead ends: 646 [2023-11-06 22:01:45,292 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 22:01:45,293 INFO L413 NwaCegarLoop]: 478 mSDtfsCounter, 2497 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:45,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 498 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:01:45,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2023-11-06 22:01:45,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2023-11-06 22:01:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.376602564102564) internal successors, (859), 645 states have internal predecessors, (859), 0 states have call successors, (0), 0 states 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 22:01:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 859 transitions. [2023-11-06 22:01:45,371 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 859 transitions. Word has length 90 [2023-11-06 22:01:45,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:45,372 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 859 transitions. [2023-11-06 22:01:45,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 859 transitions. [2023-11-06 22:01:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:01:45,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:45,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:45,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:01:45,383 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:45,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:45,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1321361543, now seen corresponding path program 1 times [2023-11-06 22:01:45,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:45,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940802964] [2023-11-06 22:01:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:45,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:45,601 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 22:01:45,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:45,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940802964] [2023-11-06 22:01:45,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940802964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:45,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:45,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:01:45,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337543209] [2023-11-06 22:01:45,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:45,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:01:45,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:45,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:01:45,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:01:45,605 INFO L87 Difference]: Start difference. First operand 646 states and 859 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:46,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:46,472 INFO L93 Difference]: Finished difference Result 1220 states and 1645 transitions. [2023-11-06 22:01:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:01:46,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-11-06 22:01:46,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:46,479 INFO L225 Difference]: With dead ends: 1220 [2023-11-06 22:01:46,479 INFO L226 Difference]: Without dead ends: 641 [2023-11-06 22:01:46,480 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 22:01:46,482 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 2415 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:46,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 423 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:01:46,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2023-11-06 22:01:46,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2023-11-06 22:01:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3764135702746365) internal successors, (852), 640 states have internal predecessors, (852), 0 states have call successors, (0), 0 states 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 22:01:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 852 transitions. [2023-11-06 22:01:46,588 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 852 transitions. Word has length 91 [2023-11-06 22:01:46,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:46,590 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 852 transitions. [2023-11-06 22:01:46,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 852 transitions. [2023-11-06 22:01:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-06 22:01:46,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:46,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:46,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:01:46,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:46,595 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:46,596 INFO L85 PathProgramCache]: Analyzing trace with hash 471449544, now seen corresponding path program 1 times [2023-11-06 22:01:46,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:46,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912880647] [2023-11-06 22:01:46,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:46,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:47,229 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 22:01:47,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:47,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912880647] [2023-11-06 22:01:47,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912880647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:47,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:47,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:01:47,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801864902] [2023-11-06 22:01:47,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:47,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:01:47,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:47,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:01:47,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:01:47,232 INFO L87 Difference]: Start difference. First operand 641 states and 852 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:49,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:49,235 INFO L93 Difference]: Finished difference Result 1260 states and 1708 transitions. [2023-11-06 22:01:49,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:01:49,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-11-06 22:01:49,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:49,243 INFO L225 Difference]: With dead ends: 1260 [2023-11-06 22:01:49,244 INFO L226 Difference]: Without dead ends: 1136 [2023-11-06 22:01:49,245 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 22:01:49,246 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 5172 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5172 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 1794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:49,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5172 Valid, 2223 Invalid, 1794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:01:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-11-06 22:01:49,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 641. [2023-11-06 22:01:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3747980613893376) internal successors, (851), 640 states have internal predecessors, (851), 0 states have call successors, (0), 0 states 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 22:01:49,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 851 transitions. [2023-11-06 22:01:49,343 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 851 transitions. Word has length 92 [2023-11-06 22:01:49,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:49,344 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 851 transitions. [2023-11-06 22:01:49,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 851 transitions. [2023-11-06 22:01:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-06 22:01:49,347 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:49,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:49,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:01:49,347 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:49,348 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:49,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1530881816, now seen corresponding path program 1 times [2023-11-06 22:01:49,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:49,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957846430] [2023-11-06 22:01:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:49,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:50,019 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 22:01:50,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:50,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957846430] [2023-11-06 22:01:50,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957846430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:50,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:50,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:01:50,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479641787] [2023-11-06 22:01:50,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:50,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:01:50,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:50,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:01:50,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:01:50,022 INFO L87 Difference]: Start difference. First operand 641 states and 851 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:52,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:52,623 INFO L93 Difference]: Finished difference Result 1409 states and 1897 transitions. [2023-11-06 22:01:52,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:01:52,627 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-11-06 22:01:52,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:52,635 INFO L225 Difference]: With dead ends: 1409 [2023-11-06 22:01:52,635 INFO L226 Difference]: Without dead ends: 1271 [2023-11-06 22:01:52,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:01:52,641 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 5694 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 2919 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5694 SdHoareTripleChecker+Valid, 3712 SdHoareTripleChecker+Invalid, 2931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:52,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5694 Valid, 3712 Invalid, 2931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2919 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:01:52,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2023-11-06 22:01:52,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 644. [2023-11-06 22:01:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 622 states have (on average 1.3729903536977492) internal successors, (854), 643 states have internal predecessors, (854), 0 states have call successors, (0), 0 states 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 22:01:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 854 transitions. [2023-11-06 22:01:52,768 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 854 transitions. Word has length 92 [2023-11-06 22:01:52,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:52,769 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 854 transitions. [2023-11-06 22:01:52,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 854 transitions. [2023-11-06 22:01:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-06 22:01:52,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:52,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:52,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:01:52,775 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:52,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:52,775 INFO L85 PathProgramCache]: Analyzing trace with hash 348627122, now seen corresponding path program 1 times [2023-11-06 22:01:52,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:52,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744460954] [2023-11-06 22:01:52,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:52,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:53,414 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 22:01:53,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:53,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744460954] [2023-11-06 22:01:53,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744460954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:53,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:53,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:01:53,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445937790] [2023-11-06 22:01:53,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:53,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:01:53,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:53,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:01:53,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:01:53,418 INFO L87 Difference]: Start difference. First operand 644 states and 854 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:55,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:55,743 INFO L93 Difference]: Finished difference Result 1333 states and 1802 transitions. [2023-11-06 22:01:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:01:55,744 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-11-06 22:01:55,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:55,751 INFO L225 Difference]: With dead ends: 1333 [2023-11-06 22:01:55,752 INFO L226 Difference]: Without dead ends: 1140 [2023-11-06 22:01:55,753 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 22:01:55,754 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 4467 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 2208 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4467 SdHoareTripleChecker+Valid, 2782 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:55,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4467 Valid, 2782 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2208 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:01:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2023-11-06 22:01:55,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 641. [2023-11-06 22:01:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3731825525040389) internal successors, (850), 640 states have internal predecessors, (850), 0 states have call successors, (0), 0 states 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 22:01:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 850 transitions. [2023-11-06 22:01:55,876 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 850 transitions. Word has length 92 [2023-11-06 22:01:55,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:55,877 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 850 transitions. [2023-11-06 22:01:55,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 850 transitions. [2023-11-06 22:01:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-06 22:01:55,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:55,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:55,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:01:55,880 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:55,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:55,881 INFO L85 PathProgramCache]: Analyzing trace with hash 889427447, now seen corresponding path program 1 times [2023-11-06 22:01:55,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:55,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729747871] [2023-11-06 22:01:55,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:55,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:56,415 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 22:01:56,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:56,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729747871] [2023-11-06 22:01:56,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729747871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:56,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:56,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:01:56,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938805943] [2023-11-06 22:01:56,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:56,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:01:56,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:56,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:01:56,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:01:56,419 INFO L87 Difference]: Start difference. First operand 641 states and 850 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:57,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:57,791 INFO L93 Difference]: Finished difference Result 1209 states and 1559 transitions. [2023-11-06 22:01:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:01:57,791 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-11-06 22:01:57,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:57,797 INFO L225 Difference]: With dead ends: 1209 [2023-11-06 22:01:57,797 INFO L226 Difference]: Without dead ends: 863 [2023-11-06 22:01:57,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:01:57,799 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 4863 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4863 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:57,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4863 Valid, 1036 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:01:57,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2023-11-06 22:01:57,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 641. [2023-11-06 22:01:57,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.37156704361874) internal successors, (849), 640 states have internal predecessors, (849), 0 states have call successors, (0), 0 states 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 22:01:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 849 transitions. [2023-11-06 22:01:57,926 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 849 transitions. Word has length 92 [2023-11-06 22:01:57,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:57,927 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 849 transitions. [2023-11-06 22:01:57,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 849 transitions. [2023-11-06 22:01:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:01:57,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:57,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:57,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:01:57,930 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:01:57,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:57,931 INFO L85 PathProgramCache]: Analyzing trace with hash -709696546, now seen corresponding path program 1 times [2023-11-06 22:01:57,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:57,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568153562] [2023-11-06 22:01:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:57,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:58,465 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 22:01:58,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:58,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568153562] [2023-11-06 22:01:58,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568153562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:58,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:58,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:01:58,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492622395] [2023-11-06 22:01:58,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:58,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:01:58,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:58,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:01:58,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:01:58,469 INFO L87 Difference]: Start difference. First operand 641 states and 849 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:00,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:00,607 INFO L93 Difference]: Finished difference Result 1362 states and 1827 transitions. [2023-11-06 22:02:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:00,607 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-06 22:02:00,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:00,614 INFO L225 Difference]: With dead ends: 1362 [2023-11-06 22:02:00,614 INFO L226 Difference]: Without dead ends: 1140 [2023-11-06 22:02:00,616 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 22:02:00,616 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 3308 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 2304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:00,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 2891 Invalid, 2304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 22:02:00,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2023-11-06 22:02:00,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 641. [2023-11-06 22:02:00,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.369951534733441) internal successors, (848), 640 states have internal predecessors, (848), 0 states have call successors, (0), 0 states 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 22:02:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 848 transitions. [2023-11-06 22:02:00,722 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 848 transitions. Word has length 94 [2023-11-06 22:02:00,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:00,723 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 848 transitions. [2023-11-06 22:02:00,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 848 transitions. [2023-11-06 22:02:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:02:00,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:00,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:00,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:02:00,726 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:00,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash -904842275, now seen corresponding path program 1 times [2023-11-06 22:02:00,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:00,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558413095] [2023-11-06 22:02:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:01,211 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 22:02:01,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:01,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558413095] [2023-11-06 22:02:01,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558413095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:01,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:01,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:01,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576375685] [2023-11-06 22:02:01,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:01,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:01,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:01,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:01,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:01,214 INFO L87 Difference]: Start difference. First operand 641 states and 848 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:03,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:03,079 INFO L93 Difference]: Finished difference Result 1227 states and 1649 transitions. [2023-11-06 22:02:03,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:03,080 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-06 22:02:03,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:03,086 INFO L225 Difference]: With dead ends: 1227 [2023-11-06 22:02:03,086 INFO L226 Difference]: Without dead ends: 1128 [2023-11-06 22:02:03,087 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 22:02:03,088 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 4827 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4827 SdHoareTripleChecker+Valid, 2412 SdHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:03,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4827 Valid, 2412 Invalid, 1948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1941 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:02:03,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-11-06 22:02:03,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-11-06 22:02:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.368336025848142) internal successors, (847), 640 states have internal predecessors, (847), 0 states have call successors, (0), 0 states 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 22:02:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 847 transitions. [2023-11-06 22:02:03,205 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 847 transitions. Word has length 94 [2023-11-06 22:02:03,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:03,205 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 847 transitions. [2023-11-06 22:02:03,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 847 transitions. [2023-11-06 22:02:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:02:03,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:03,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:03,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:02:03,208 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:03,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:03,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1510616083, now seen corresponding path program 1 times [2023-11-06 22:02:03,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:03,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880347296] [2023-11-06 22:02:03,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:03,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:03,567 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 22:02:03,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:03,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880347296] [2023-11-06 22:02:03,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880347296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:03,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:03,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:03,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524225820] [2023-11-06 22:02:03,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:03,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:03,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:03,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:03,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:03,570 INFO L87 Difference]: Start difference. First operand 641 states and 847 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:05,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:05,782 INFO L93 Difference]: Finished difference Result 1274 states and 1714 transitions. [2023-11-06 22:02:05,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:05,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-06 22:02:05,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:05,789 INFO L225 Difference]: With dead ends: 1274 [2023-11-06 22:02:05,789 INFO L226 Difference]: Without dead ends: 1136 [2023-11-06 22:02:05,790 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 22:02:05,791 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 2112 mSDsluCounter, 2471 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2112 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:05,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2112 Valid, 3261 Invalid, 2541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 22:02:05,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-11-06 22:02:05,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 641. [2023-11-06 22:02:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3667205169628434) internal successors, (846), 640 states have internal predecessors, (846), 0 states have call successors, (0), 0 states 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 22:02:06,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 846 transitions. [2023-11-06 22:02:06,000 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 846 transitions. Word has length 94 [2023-11-06 22:02:06,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:06,001 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 846 transitions. [2023-11-06 22:02:06,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:06,002 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 846 transitions. [2023-11-06 22:02:06,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:02:06,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:06,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:06,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:02:06,005 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:06,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:06,006 INFO L85 PathProgramCache]: Analyzing trace with hash -10217144, now seen corresponding path program 1 times [2023-11-06 22:02:06,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:06,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700905541] [2023-11-06 22:02:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:06,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:06,412 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 22:02:06,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:06,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700905541] [2023-11-06 22:02:06,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700905541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:06,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:06,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:06,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145611699] [2023-11-06 22:02:06,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:06,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:06,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:06,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:06,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:06,416 INFO L87 Difference]: Start difference. First operand 641 states and 846 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:08,379 INFO L93 Difference]: Finished difference Result 1274 states and 1716 transitions. [2023-11-06 22:02:08,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:08,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-06 22:02:08,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:08,386 INFO L225 Difference]: With dead ends: 1274 [2023-11-06 22:02:08,387 INFO L226 Difference]: Without dead ends: 1136 [2023-11-06 22:02:08,388 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 22:02:08,389 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 2780 mSDsluCounter, 2282 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2780 SdHoareTripleChecker+Valid, 3082 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:08,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2780 Valid, 3082 Invalid, 2388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2381 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:02:08,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-11-06 22:02:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 641. [2023-11-06 22:02:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3651050080775444) internal successors, (845), 640 states have internal predecessors, (845), 0 states have call successors, (0), 0 states 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 22:02:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 845 transitions. [2023-11-06 22:02:08,592 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 845 transitions. Word has length 94 [2023-11-06 22:02:08,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:08,593 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 845 transitions. [2023-11-06 22:02:08,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 845 transitions. [2023-11-06 22:02:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:02:08,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:08,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:08,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:02:08,596 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:08,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:08,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1869291794, now seen corresponding path program 1 times [2023-11-06 22:02:08,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:08,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716392625] [2023-11-06 22:02:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:08,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:08,998 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 22:02:08,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:08,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716392625] [2023-11-06 22:02:08,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716392625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:08,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:08,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:08,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476147461] [2023-11-06 22:02:08,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:09,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:09,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:09,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:09,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:09,002 INFO L87 Difference]: Start difference. First operand 641 states and 845 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:10,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:10,944 INFO L93 Difference]: Finished difference Result 1159 states and 1534 transitions. [2023-11-06 22:02:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:10,945 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-06 22:02:10,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:10,952 INFO L225 Difference]: With dead ends: 1159 [2023-11-06 22:02:10,952 INFO L226 Difference]: Without dead ends: 1080 [2023-11-06 22:02:10,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:02:10,954 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 3689 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 1783 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3689 SdHoareTripleChecker+Valid, 2106 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:10,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3689 Valid, 2106 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1783 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:02:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-11-06 22:02:11,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 641. [2023-11-06 22:02:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3634894991922455) internal successors, (844), 640 states have internal predecessors, (844), 0 states have call successors, (0), 0 states 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 22:02:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 844 transitions. [2023-11-06 22:02:11,150 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 844 transitions. Word has length 94 [2023-11-06 22:02:11,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:11,150 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 844 transitions. [2023-11-06 22:02:11,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 844 transitions. [2023-11-06 22:02:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:02:11,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:11,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:11,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:02:11,154 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:11,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:11,155 INFO L85 PathProgramCache]: Analyzing trace with hash 191796868, now seen corresponding path program 1 times [2023-11-06 22:02:11,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:11,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588586450] [2023-11-06 22:02:11,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:11,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:11,745 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 22:02:11,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:11,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588586450] [2023-11-06 22:02:11,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588586450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:11,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:11,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:11,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967307294] [2023-11-06 22:02:11,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:11,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:11,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:11,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:11,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:11,750 INFO L87 Difference]: Start difference. First operand 641 states and 844 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:13,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:13,858 INFO L93 Difference]: Finished difference Result 1227 states and 1645 transitions. [2023-11-06 22:02:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:13,858 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-06 22:02:13,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:13,864 INFO L225 Difference]: With dead ends: 1227 [2023-11-06 22:02:13,864 INFO L226 Difference]: Without dead ends: 1128 [2023-11-06 22:02:13,865 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 22:02:13,865 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 3183 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3183 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:13,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3183 Valid, 2905 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:02:13,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-11-06 22:02:14,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-11-06 22:02:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3618739903069468) internal successors, (843), 640 states have internal predecessors, (843), 0 states have call successors, (0), 0 states 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 22:02:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 843 transitions. [2023-11-06 22:02:14,040 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 843 transitions. Word has length 94 [2023-11-06 22:02:14,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:14,041 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 843 transitions. [2023-11-06 22:02:14,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 843 transitions. [2023-11-06 22:02:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:02:14,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:14,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:14,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:02:14,065 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:14,065 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:14,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1752938330, now seen corresponding path program 1 times [2023-11-06 22:02:14,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:14,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302163077] [2023-11-06 22:02:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:14,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:14,486 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 22:02:14,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:14,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302163077] [2023-11-06 22:02:14,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302163077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:14,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:14,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:14,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697003288] [2023-11-06 22:02:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:14,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:14,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:14,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:14,490 INFO L87 Difference]: Start difference. First operand 641 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:16,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:16,479 INFO L93 Difference]: Finished difference Result 1222 states and 1639 transitions. [2023-11-06 22:02:16,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:16,480 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-11-06 22:02:16,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:16,486 INFO L225 Difference]: With dead ends: 1222 [2023-11-06 22:02:16,487 INFO L226 Difference]: Without dead ends: 1128 [2023-11-06 22:02:16,488 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 22:02:16,489 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 4343 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 2201 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4343 SdHoareTripleChecker+Valid, 2763 SdHoareTripleChecker+Invalid, 2208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:16,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4343 Valid, 2763 Invalid, 2208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2201 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:02:16,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-11-06 22:02:16,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-11-06 22:02:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3602584814216478) internal successors, (842), 640 states have internal predecessors, (842), 0 states have call successors, (0), 0 states 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 22:02:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 842 transitions. [2023-11-06 22:02:16,727 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 842 transitions. Word has length 94 [2023-11-06 22:02:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:16,728 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 842 transitions. [2023-11-06 22:02:16,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 842 transitions. [2023-11-06 22:02:16,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:16,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:16,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:16,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:02:16,732 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:16,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:16,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1333702137, now seen corresponding path program 1 times [2023-11-06 22:02:16,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:16,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807500239] [2023-11-06 22:02:16,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:16,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:17,309 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 22:02:17,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:17,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807500239] [2023-11-06 22:02:17,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807500239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:17,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:17,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:17,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743519885] [2023-11-06 22:02:17,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:17,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:17,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:17,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:17,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:17,313 INFO L87 Difference]: Start difference. First operand 641 states and 842 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:19,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:19,419 INFO L93 Difference]: Finished difference Result 1236 states and 1651 transitions. [2023-11-06 22:02:19,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:19,420 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:19,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:19,426 INFO L225 Difference]: With dead ends: 1236 [2023-11-06 22:02:19,426 INFO L226 Difference]: Without dead ends: 1128 [2023-11-06 22:02:19,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:02:19,428 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 4689 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 2053 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4689 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:19,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4689 Valid, 2636 Invalid, 2061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2053 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:02:19,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-11-06 22:02:19,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-11-06 22:02:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.358642972536349) internal successors, (841), 640 states have internal predecessors, (841), 0 states have call successors, (0), 0 states 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 22:02:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 841 transitions. [2023-11-06 22:02:19,653 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 841 transitions. Word has length 96 [2023-11-06 22:02:19,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:19,653 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 841 transitions. [2023-11-06 22:02:19,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 841 transitions. [2023-11-06 22:02:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:19,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:19,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:19,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:02:19,657 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:19,658 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:19,658 INFO L85 PathProgramCache]: Analyzing trace with hash 924856909, now seen corresponding path program 1 times [2023-11-06 22:02:19,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:19,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073885854] [2023-11-06 22:02:19,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:19,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:20,137 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 22:02:20,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:20,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073885854] [2023-11-06 22:02:20,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073885854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:20,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:20,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:20,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100618094] [2023-11-06 22:02:20,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:20,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:20,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:20,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:20,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:20,142 INFO L87 Difference]: Start difference. First operand 641 states and 841 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:22,352 INFO L93 Difference]: Finished difference Result 1198 states and 1595 transitions. [2023-11-06 22:02:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:22,353 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:22,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:22,360 INFO L225 Difference]: With dead ends: 1198 [2023-11-06 22:02:22,360 INFO L226 Difference]: Without dead ends: 1112 [2023-11-06 22:02:22,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:02:22,362 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 3954 mSDsluCounter, 2538 mSDsCounter, 0 mSdLazyCounter, 2482 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3954 SdHoareTripleChecker+Valid, 3138 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:22,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3954 Valid, 3138 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2482 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:02:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2023-11-06 22:02:22,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 641. [2023-11-06 22:02:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.35702746365105) internal successors, (840), 640 states have internal predecessors, (840), 0 states have call successors, (0), 0 states 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 22:02:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 840 transitions. [2023-11-06 22:02:22,583 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 840 transitions. Word has length 96 [2023-11-06 22:02:22,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:22,583 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 840 transitions. [2023-11-06 22:02:22,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:22,584 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 840 transitions. [2023-11-06 22:02:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:22,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:22,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:22,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 22:02:22,586 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:22,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:22,586 INFO L85 PathProgramCache]: Analyzing trace with hash 92967727, now seen corresponding path program 1 times [2023-11-06 22:02:22,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:22,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793784246] [2023-11-06 22:02:22,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:22,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:22,934 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 22:02:22,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:22,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793784246] [2023-11-06 22:02:22,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793784246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:22,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:22,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:22,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006410745] [2023-11-06 22:02:22,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:22,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:22,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:22,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:22,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:22,937 INFO L87 Difference]: Start difference. First operand 641 states and 840 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:25,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:25,077 INFO L93 Difference]: Finished difference Result 1289 states and 1719 transitions. [2023-11-06 22:02:25,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:25,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:25,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:25,083 INFO L225 Difference]: With dead ends: 1289 [2023-11-06 22:02:25,083 INFO L226 Difference]: Without dead ends: 1136 [2023-11-06 22:02:25,084 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 22:02:25,085 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 3010 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 3098 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:25,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 3098 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:02:25,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-11-06 22:02:25,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 641. [2023-11-06 22:02:25,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3554119547657513) internal successors, (839), 640 states have internal predecessors, (839), 0 states have call successors, (0), 0 states 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 22:02:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 839 transitions. [2023-11-06 22:02:25,359 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 839 transitions. Word has length 96 [2023-11-06 22:02:25,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:25,359 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 839 transitions. [2023-11-06 22:02:25,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:25,360 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 839 transitions. [2023-11-06 22:02:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:25,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:25,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:25,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:02:25,363 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:25,363 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:25,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1818861412, now seen corresponding path program 1 times [2023-11-06 22:02:25,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:25,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501023065] [2023-11-06 22:02:25,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:25,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:26,124 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 22:02:26,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:26,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501023065] [2023-11-06 22:02:26,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501023065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:26,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:26,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:02:26,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715876144] [2023-11-06 22:02:26,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:26,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:02:26,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:26,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:02:26,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:02:26,129 INFO L87 Difference]: Start difference. First operand 641 states and 839 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:29,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:29,814 INFO L93 Difference]: Finished difference Result 1662 states and 2254 transitions. [2023-11-06 22:02:29,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:02:29,815 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:29,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:29,822 INFO L225 Difference]: With dead ends: 1662 [2023-11-06 22:02:29,822 INFO L226 Difference]: Without dead ends: 1576 [2023-11-06 22:02:29,823 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 22:02:29,824 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 6574 mSDsluCounter, 2402 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6574 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 2782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:29,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6574 Valid, 3088 Invalid, 2782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:02:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2023-11-06 22:02:30,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 645. [2023-11-06 22:02:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3531300160513644) internal successors, (843), 644 states have internal predecessors, (843), 0 states have call successors, (0), 0 states 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 22:02:30,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 843 transitions. [2023-11-06 22:02:30,052 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 843 transitions. Word has length 96 [2023-11-06 22:02:30,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:30,053 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 843 transitions. [2023-11-06 22:02:30,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 843 transitions. [2023-11-06 22:02:30,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:30,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:30,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:30,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:02:30,056 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:30,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:30,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1839313585, now seen corresponding path program 1 times [2023-11-06 22:02:30,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:30,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673323039] [2023-11-06 22:02:30,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:30,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:30,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:30,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673323039] [2023-11-06 22:02:30,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673323039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:30,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:30,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:30,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336968447] [2023-11-06 22:02:30,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:30,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:30,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:30,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:30,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:30,413 INFO L87 Difference]: Start difference. First operand 645 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:32,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:32,701 INFO L93 Difference]: Finished difference Result 1160 states and 1528 transitions. [2023-11-06 22:02:32,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:32,702 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:32,708 INFO L225 Difference]: With dead ends: 1160 [2023-11-06 22:02:32,708 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:02:32,709 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 22:02:32,710 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 4730 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4730 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:32,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4730 Valid, 2146 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:02:32,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:02:32,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:02:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3515248796147672) internal successors, (842), 644 states have internal predecessors, (842), 0 states have call successors, (0), 0 states 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 22:02:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 842 transitions. [2023-11-06 22:02:33,001 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 842 transitions. Word has length 96 [2023-11-06 22:02:33,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:33,002 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 842 transitions. [2023-11-06 22:02:33,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 842 transitions. [2023-11-06 22:02:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:33,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:33,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:33,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:02:33,005 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:33,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:33,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1859604465, now seen corresponding path program 1 times [2023-11-06 22:02:33,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:33,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823727346] [2023-11-06 22:02:33,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:33,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:33,374 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 22:02:33,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:33,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823727346] [2023-11-06 22:02:33,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823727346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:33,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:33,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:33,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870546017] [2023-11-06 22:02:33,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:33,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:33,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:33,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:33,378 INFO L87 Difference]: Start difference. First operand 645 states and 842 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:35,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:35,654 INFO L93 Difference]: Finished difference Result 1240 states and 1649 transitions. [2023-11-06 22:02:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:35,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:35,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:35,660 INFO L225 Difference]: With dead ends: 1240 [2023-11-06 22:02:35,661 INFO L226 Difference]: Without dead ends: 1132 [2023-11-06 22:02:35,662 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 22:02:35,662 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 1928 mSDsluCounter, 2502 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:35,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 3330 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:02:35,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2023-11-06 22:02:35,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 645. [2023-11-06 22:02:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3499197431781702) internal successors, (841), 644 states have internal predecessors, (841), 0 states have call successors, (0), 0 states 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 22:02:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 841 transitions. [2023-11-06 22:02:35,838 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 841 transitions. Word has length 96 [2023-11-06 22:02:35,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:35,838 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 841 transitions. [2023-11-06 22:02:35,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 841 transitions. [2023-11-06 22:02:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:35,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:35,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:35,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:02:35,841 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:35,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:35,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1450759237, now seen corresponding path program 1 times [2023-11-06 22:02:35,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:35,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106466023] [2023-11-06 22:02:35,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:35,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:36,151 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 22:02:36,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:36,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106466023] [2023-11-06 22:02:36,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106466023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:36,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:36,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:36,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159211645] [2023-11-06 22:02:36,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:36,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:36,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:36,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:36,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:36,155 INFO L87 Difference]: Start difference. First operand 645 states and 841 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:38,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:38,257 INFO L93 Difference]: Finished difference Result 1089 states and 1420 transitions. [2023-11-06 22:02:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:38,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:38,262 INFO L225 Difference]: With dead ends: 1089 [2023-11-06 22:02:38,262 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:02:38,263 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 22:02:38,263 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 3620 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3620 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 1785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:38,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3620 Valid, 2143 Invalid, 1785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:02:38,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:02:38,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:02:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.348314606741573) internal successors, (840), 644 states have internal predecessors, (840), 0 states have call successors, (0), 0 states 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 22:02:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 840 transitions. [2023-11-06 22:02:38,517 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 840 transitions. Word has length 96 [2023-11-06 22:02:38,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:38,517 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 840 transitions. [2023-11-06 22:02:38,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 840 transitions. [2023-11-06 22:02:38,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:38,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:38,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:38,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:02:38,520 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:38,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:38,521 INFO L85 PathProgramCache]: Analyzing trace with hash 627769446, now seen corresponding path program 1 times [2023-11-06 22:02:38,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:38,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940210352] [2023-11-06 22:02:38,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:38,914 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 22:02:38,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:38,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940210352] [2023-11-06 22:02:38,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940210352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:38,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:38,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:38,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929340170] [2023-11-06 22:02:38,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:38,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:38,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:38,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:38,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:38,918 INFO L87 Difference]: Start difference. First operand 645 states and 840 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:41,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:41,435 INFO L93 Difference]: Finished difference Result 1240 states and 1647 transitions. [2023-11-06 22:02:41,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:41,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:41,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:41,443 INFO L225 Difference]: With dead ends: 1240 [2023-11-06 22:02:41,443 INFO L226 Difference]: Without dead ends: 1132 [2023-11-06 22:02:41,444 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 22:02:41,445 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 2116 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 3089 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:41,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2116 Valid, 3089 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2377 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 22:02:41,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2023-11-06 22:02:41,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 645. [2023-11-06 22:02:41,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.346709470304976) internal successors, (839), 644 states have internal predecessors, (839), 0 states have call successors, (0), 0 states 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 22:02:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 839 transitions. [2023-11-06 22:02:41,676 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 839 transitions. Word has length 96 [2023-11-06 22:02:41,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:41,676 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 839 transitions. [2023-11-06 22:02:41,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 839 transitions. [2023-11-06 22:02:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:41,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:41,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:41,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:02:41,680 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:41,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:41,680 INFO L85 PathProgramCache]: Analyzing trace with hash 218924218, now seen corresponding path program 1 times [2023-11-06 22:02:41,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:41,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784461911] [2023-11-06 22:02:41,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:41,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:42,054 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 22:02:42,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:42,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784461911] [2023-11-06 22:02:42,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784461911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:42,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:42,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:42,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59220033] [2023-11-06 22:02:42,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:42,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:42,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:42,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:42,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:42,058 INFO L87 Difference]: Start difference. First operand 645 states and 839 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:43,931 INFO L93 Difference]: Finished difference Result 1163 states and 1525 transitions. [2023-11-06 22:02:43,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:43,931 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:43,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:43,936 INFO L225 Difference]: With dead ends: 1163 [2023-11-06 22:02:43,936 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:02:43,937 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 22:02:43,938 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 2476 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 2142 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:43,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2476 Valid, 2142 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:02:43,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:02:44,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:02:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3451043338683788) internal successors, (838), 644 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 22:02:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 838 transitions. [2023-11-06 22:02:44,137 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 838 transitions. Word has length 96 [2023-11-06 22:02:44,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:44,137 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 838 transitions. [2023-11-06 22:02:44,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 838 transitions. [2023-11-06 22:02:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:44,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:44,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:44,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:02:44,140 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:44,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:44,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1223338080, now seen corresponding path program 1 times [2023-11-06 22:02:44,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:44,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769302559] [2023-11-06 22:02:44,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:44,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:44,478 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 22:02:44,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:44,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769302559] [2023-11-06 22:02:44,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769302559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:44,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:44,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:44,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732392959] [2023-11-06 22:02:44,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:44,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:44,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:44,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:44,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:44,481 INFO L87 Difference]: Start difference. First operand 645 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:46,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:46,672 INFO L93 Difference]: Finished difference Result 1160 states and 1520 transitions. [2023-11-06 22:02:46,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:46,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:46,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:46,677 INFO L225 Difference]: With dead ends: 1160 [2023-11-06 22:02:46,677 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:02:46,678 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 22:02:46,679 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 2467 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2467 SdHoareTripleChecker+Valid, 2141 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:46,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2467 Valid, 2141 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:02:46,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:02:46,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:02:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3434991974317818) internal successors, (837), 644 states have internal predecessors, (837), 0 states have call successors, (0), 0 states 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 22:02:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 837 transitions. [2023-11-06 22:02:46,965 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 837 transitions. Word has length 96 [2023-11-06 22:02:46,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:46,966 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 837 transitions. [2023-11-06 22:02:46,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 837 transitions. [2023-11-06 22:02:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:46,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:46,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:46,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:02:46,969 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:46,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:46,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2013822329, now seen corresponding path program 1 times [2023-11-06 22:02:46,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:46,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665745600] [2023-11-06 22:02:46,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:46,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:47,370 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 22:02:47,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:47,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665745600] [2023-11-06 22:02:47,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665745600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:47,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:47,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:47,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198466216] [2023-11-06 22:02:47,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:47,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:47,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:47,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:47,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:47,373 INFO L87 Difference]: Start difference. First operand 645 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:49,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:49,801 INFO L93 Difference]: Finished difference Result 1231 states and 1633 transitions. [2023-11-06 22:02:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:49,802 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:49,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:49,805 INFO L225 Difference]: With dead ends: 1231 [2023-11-06 22:02:49,805 INFO L226 Difference]: Without dead ends: 1132 [2023-11-06 22:02:49,806 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 22:02:49,807 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 3682 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3682 SdHoareTripleChecker+Valid, 3231 SdHoareTripleChecker+Invalid, 2483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:49,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3682 Valid, 3231 Invalid, 2483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2477 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:02:49,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2023-11-06 22:02:50,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 645. [2023-11-06 22:02:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3418940609951846) internal successors, (836), 644 states have internal predecessors, (836), 0 states have call successors, (0), 0 states 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 22:02:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 836 transitions. [2023-11-06 22:02:50,026 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 836 transitions. Word has length 96 [2023-11-06 22:02:50,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:50,026 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 836 transitions. [2023-11-06 22:02:50,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:50,027 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 836 transitions. [2023-11-06 22:02:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:50,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:50,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:50,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-06 22:02:50,029 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:50,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:50,030 INFO L85 PathProgramCache]: Analyzing trace with hash -236760265, now seen corresponding path program 1 times [2023-11-06 22:02:50,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:50,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618071901] [2023-11-06 22:02:50,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:50,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:50,363 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 22:02:50,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:50,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618071901] [2023-11-06 22:02:50,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618071901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:50,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:50,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:50,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710545284] [2023-11-06 22:02:50,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:50,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:50,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:50,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:50,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:50,366 INFO L87 Difference]: Start difference. First operand 645 states and 836 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:52,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:52,541 INFO L93 Difference]: Finished difference Result 1160 states and 1517 transitions. [2023-11-06 22:02:52,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:52,547 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:52,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:52,550 INFO L225 Difference]: With dead ends: 1160 [2023-11-06 22:02:52,551 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:02:52,552 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 22:02:52,553 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 3555 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3555 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 1763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:52,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3555 Valid, 2146 Invalid, 1763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1757 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:02:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:02:52,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:02:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3402889245585874) internal successors, (835), 644 states have internal predecessors, (835), 0 states have call successors, (0), 0 states 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 22:02:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 835 transitions. [2023-11-06 22:02:52,808 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 835 transitions. Word has length 96 [2023-11-06 22:02:52,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:52,808 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 835 transitions. [2023-11-06 22:02:52,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 835 transitions. [2023-11-06 22:02:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:52,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:52,810 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:52,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-06 22:02:52,810 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:52,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:52,811 INFO L85 PathProgramCache]: Analyzing trace with hash -872854485, now seen corresponding path program 1 times [2023-11-06 22:02:52,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:52,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465023499] [2023-11-06 22:02:52,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:52,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:53,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:53,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465023499] [2023-11-06 22:02:53,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465023499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:53,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:53,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551124780] [2023-11-06 22:02:53,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:53,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:53,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:53,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:53,189 INFO L87 Difference]: Start difference. First operand 645 states and 835 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:55,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:55,355 INFO L93 Difference]: Finished difference Result 1089 states and 1410 transitions. [2023-11-06 22:02:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:55,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:55,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:55,359 INFO L225 Difference]: With dead ends: 1089 [2023-11-06 22:02:55,359 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:02:55,360 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 22:02:55,361 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 2831 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:55,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 2143 Invalid, 1758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:02:55,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:02:55,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:02:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3386837881219904) internal successors, (834), 644 states have internal predecessors, (834), 0 states have call successors, (0), 0 states 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 22:02:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 834 transitions. [2023-11-06 22:02:55,574 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 834 transitions. Word has length 96 [2023-11-06 22:02:55,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:55,574 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 834 transitions. [2023-11-06 22:02:55,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 834 transitions. [2023-11-06 22:02:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:55,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:55,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:55,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-06 22:02:55,577 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:55,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:55,577 INFO L85 PathProgramCache]: Analyzing trace with hash -35876805, now seen corresponding path program 1 times [2023-11-06 22:02:55,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:55,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114589420] [2023-11-06 22:02:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:55,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:55,903 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 22:02:55,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:55,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114589420] [2023-11-06 22:02:55,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114589420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:55,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:55,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:55,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677461916] [2023-11-06 22:02:55,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:55,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:55,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:55,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:55,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:55,910 INFO L87 Difference]: Start difference. First operand 645 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:58,047 INFO L93 Difference]: Finished difference Result 1160 states and 1513 transitions. [2023-11-06 22:02:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:02:58,048 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:02:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:58,050 INFO L225 Difference]: With dead ends: 1160 [2023-11-06 22:02:58,050 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:02:58,051 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 22:02:58,052 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 2454 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:58,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 2146 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:02:58,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:02:58,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:02:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3370786516853932) internal successors, (833), 644 states have internal predecessors, (833), 0 states have call successors, (0), 0 states 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 22:02:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 833 transitions. [2023-11-06 22:02:58,272 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 833 transitions. Word has length 96 [2023-11-06 22:02:58,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:58,272 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 833 transitions. [2023-11-06 22:02:58,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 833 transitions. [2023-11-06 22:02:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-06 22:02:58,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:58,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:58,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-06 22:02:58,275 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:02:58,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:58,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1688520017, now seen corresponding path program 1 times [2023-11-06 22:02:58,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:58,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533457382] [2023-11-06 22:02:58,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:58,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:58,594 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 22:02:58,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:58,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533457382] [2023-11-06 22:02:58,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533457382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:58,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:58,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:02:58,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390504059] [2023-11-06 22:02:58,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:58,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:58,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:58,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:58,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:58,598 INFO L87 Difference]: Start difference. First operand 645 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:00,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:00,824 INFO L93 Difference]: Finished difference Result 1158 states and 1509 transitions. [2023-11-06 22:03:00,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:00,825 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-06 22:03:00,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:00,827 INFO L225 Difference]: With dead ends: 1158 [2023-11-06 22:03:00,827 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:03:00,828 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 22:03:00,829 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 2450 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 2141 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:00,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 2141 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:03:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:03:01,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:03:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3354735152487962) internal successors, (832), 644 states have internal predecessors, (832), 0 states have call successors, (0), 0 states 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 22:03:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 832 transitions. [2023-11-06 22:03:01,079 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 832 transitions. Word has length 96 [2023-11-06 22:03:01,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:01,080 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 832 transitions. [2023-11-06 22:03:01,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 832 transitions. [2023-11-06 22:03:01,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-06 22:03:01,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:01,082 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] [2023-11-06 22:03:01,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-06 22:03:01,083 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:01,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:01,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1446549018, now seen corresponding path program 1 times [2023-11-06 22:03:01,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:01,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747875563] [2023-11-06 22:03:01,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:01,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:01,418 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 22:03:01,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:01,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747875563] [2023-11-06 22:03:01,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747875563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:01,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:01,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:01,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305821746] [2023-11-06 22:03:01,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:01,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:01,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:01,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:01,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:01,421 INFO L87 Difference]: Start difference. First operand 645 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states 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 22:03:04,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:04,004 INFO L93 Difference]: Finished difference Result 1198 states and 1578 transitions. [2023-11-06 22:03:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:04,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-11-06 22:03:04,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:04,007 INFO L225 Difference]: With dead ends: 1198 [2023-11-06 22:03:04,007 INFO L226 Difference]: Without dead ends: 1112 [2023-11-06 22:03:04,008 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 22:03:04,009 INFO L413 NwaCegarLoop]: 773 mSDtfsCounter, 2836 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:04,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2836 Valid, 3135 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:03:04,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2023-11-06 22:03:04,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 641. [2023-11-06 22:03:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3360258481421647) internal successors, (827), 640 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 22:03:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 827 transitions. [2023-11-06 22:03:04,278 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 827 transitions. Word has length 97 [2023-11-06 22:03:04,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:04,278 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 827 transitions. [2023-11-06 22:03:04,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states 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 22:03:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 827 transitions. [2023-11-06 22:03:04,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:04,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:04,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:04,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-06 22:03:04,281 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:04,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:04,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1799558176, now seen corresponding path program 1 times [2023-11-06 22:03:04,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:04,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133398455] [2023-11-06 22:03:04,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:04,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:04,691 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 22:03:04,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:04,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133398455] [2023-11-06 22:03:04,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133398455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:04,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:04,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:04,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224165032] [2023-11-06 22:03:04,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:04,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:04,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:04,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:04,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:04,694 INFO L87 Difference]: Start difference. First operand 641 states and 827 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:07,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:07,224 INFO L93 Difference]: Finished difference Result 1159 states and 1507 transitions. [2023-11-06 22:03:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:07,225 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:07,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:07,227 INFO L225 Difference]: With dead ends: 1159 [2023-11-06 22:03:07,227 INFO L226 Difference]: Without dead ends: 1080 [2023-11-06 22:03:07,228 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 22:03:07,228 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 4023 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 2141 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4023 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:07,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4023 Valid, 2741 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2141 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:03:07,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-11-06 22:03:07,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 641. [2023-11-06 22:03:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3344103392568658) internal successors, (826), 640 states have internal predecessors, (826), 0 states have call successors, (0), 0 states 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 22:03:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 826 transitions. [2023-11-06 22:03:07,448 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 826 transitions. Word has length 98 [2023-11-06 22:03:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:07,448 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 826 transitions. [2023-11-06 22:03:07,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 826 transitions. [2023-11-06 22:03:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:07,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:07,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:07,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-06 22:03:07,450 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:07,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:07,451 INFO L85 PathProgramCache]: Analyzing trace with hash 112638926, now seen corresponding path program 1 times [2023-11-06 22:03:07,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:07,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742976437] [2023-11-06 22:03:07,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:07,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:08,037 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 22:03:08,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:08,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742976437] [2023-11-06 22:03:08,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742976437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:08,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:08,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:03:08,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459652510] [2023-11-06 22:03:08,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:08,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:03:08,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:08,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:03:08,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:03:08,040 INFO L87 Difference]: Start difference. First operand 641 states and 826 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:12,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:12,334 INFO L93 Difference]: Finished difference Result 1672 states and 2247 transitions. [2023-11-06 22:03:12,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:03:12,335 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:12,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:12,338 INFO L225 Difference]: With dead ends: 1672 [2023-11-06 22:03:12,338 INFO L226 Difference]: Without dead ends: 1581 [2023-11-06 22:03:12,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:03:12,340 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 6166 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 2644 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6166 SdHoareTripleChecker+Valid, 3329 SdHoareTripleChecker+Invalid, 2857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 2644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:12,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6166 Valid, 3329 Invalid, 2857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 2644 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:03:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2023-11-06 22:03:12,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 645. [2023-11-06 22:03:12,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.332263242375602) internal successors, (830), 644 states have internal predecessors, (830), 0 states have call successors, (0), 0 states 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 22:03:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 830 transitions. [2023-11-06 22:03:12,615 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 830 transitions. Word has length 98 [2023-11-06 22:03:12,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:12,615 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 830 transitions. [2023-11-06 22:03:12,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 830 transitions. [2023-11-06 22:03:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:12,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:12,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:12,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-06 22:03:12,617 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:12,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:12,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1288712520, now seen corresponding path program 1 times [2023-11-06 22:03:12,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:12,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847954489] [2023-11-06 22:03:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:12,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:12,971 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 22:03:12,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:12,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847954489] [2023-11-06 22:03:12,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847954489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:12,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:12,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:12,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17568747] [2023-11-06 22:03:12,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:12,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:12,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:12,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:12,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:12,976 INFO L87 Difference]: Start difference. First operand 645 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:15,388 INFO L93 Difference]: Finished difference Result 1160 states and 1507 transitions. [2023-11-06 22:03:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:15,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:15,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:15,391 INFO L225 Difference]: With dead ends: 1160 [2023-11-06 22:03:15,391 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:03:15,392 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 22:03:15,393 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 2326 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 2363 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:15,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 2363 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:03:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:03:15,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:03:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3306581059390048) internal successors, (829), 644 states have internal predecessors, (829), 0 states have call successors, (0), 0 states 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 22:03:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 829 transitions. [2023-11-06 22:03:15,634 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 829 transitions. Word has length 98 [2023-11-06 22:03:15,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:15,634 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 829 transitions. [2023-11-06 22:03:15,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 829 transitions. [2023-11-06 22:03:15,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:15,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:15,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:15,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-06 22:03:15,636 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:15,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:15,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1740272545, now seen corresponding path program 1 times [2023-11-06 22:03:15,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:15,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588331072] [2023-11-06 22:03:15,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:15,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:15,919 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 22:03:15,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:15,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588331072] [2023-11-06 22:03:15,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588331072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:15,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:15,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:15,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753263842] [2023-11-06 22:03:15,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:15,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:15,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:15,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:15,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:15,921 INFO L87 Difference]: Start difference. First operand 645 states and 829 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:18,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:18,291 INFO L93 Difference]: Finished difference Result 1163 states and 1509 transitions. [2023-11-06 22:03:18,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:18,291 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:18,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:18,293 INFO L225 Difference]: With dead ends: 1163 [2023-11-06 22:03:18,294 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:03:18,294 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 22:03:18,295 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 4505 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4505 SdHoareTripleChecker+Valid, 2330 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:18,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4505 Valid, 2330 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:03:18,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:03:18,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:03:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3290529695024078) internal successors, (828), 644 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 22:03:18,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 828 transitions. [2023-11-06 22:03:18,565 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 828 transitions. Word has length 98 [2023-11-06 22:03:18,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:18,565 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 828 transitions. [2023-11-06 22:03:18,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 828 transitions. [2023-11-06 22:03:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:18,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:18,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:18,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-06 22:03:18,567 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:18,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:18,568 INFO L85 PathProgramCache]: Analyzing trace with hash -285632464, now seen corresponding path program 1 times [2023-11-06 22:03:18,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:18,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875209948] [2023-11-06 22:03:18,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:18,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:18,860 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 22:03:18,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:18,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875209948] [2023-11-06 22:03:18,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875209948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:18,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:18,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:18,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19755082] [2023-11-06 22:03:18,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:18,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:18,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:18,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:18,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:18,862 INFO L87 Difference]: Start difference. First operand 645 states and 828 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:21,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:21,405 INFO L93 Difference]: Finished difference Result 1246 states and 1636 transitions. [2023-11-06 22:03:21,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:21,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:21,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:21,407 INFO L225 Difference]: With dead ends: 1246 [2023-11-06 22:03:21,407 INFO L226 Difference]: Without dead ends: 1132 [2023-11-06 22:03:21,408 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 22:03:21,408 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 3113 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 2316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:21,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 3065 Invalid, 2316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:03:21,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2023-11-06 22:03:21,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 645. [2023-11-06 22:03:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3274478330658106) internal successors, (827), 644 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 22:03:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 827 transitions. [2023-11-06 22:03:21,647 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 827 transitions. Word has length 98 [2023-11-06 22:03:21,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:21,647 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 827 transitions. [2023-11-06 22:03:21,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:21,647 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 827 transitions. [2023-11-06 22:03:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:21,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:21,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:21,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-06 22:03:21,649 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:21,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:21,650 INFO L85 PathProgramCache]: Analyzing trace with hash 131410264, now seen corresponding path program 1 times [2023-11-06 22:03:21,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:21,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222978437] [2023-11-06 22:03:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:21,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:21,943 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 22:03:21,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:21,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222978437] [2023-11-06 22:03:21,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222978437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:21,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:21,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:21,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720840650] [2023-11-06 22:03:21,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:21,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:21,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:21,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:21,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:21,945 INFO L87 Difference]: Start difference. First operand 645 states and 827 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:24,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:24,514 INFO L93 Difference]: Finished difference Result 1163 states and 1506 transitions. [2023-11-06 22:03:24,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:24,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:24,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:24,516 INFO L225 Difference]: With dead ends: 1163 [2023-11-06 22:03:24,516 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:03:24,517 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 22:03:24,518 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 4006 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4006 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:24,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4006 Valid, 2741 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:03:24,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:03:24,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:03:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3258426966292134) internal successors, (826), 644 states have internal predecessors, (826), 0 states have call successors, (0), 0 states 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 22:03:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 826 transitions. [2023-11-06 22:03:24,788 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 826 transitions. Word has length 98 [2023-11-06 22:03:24,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:24,788 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 826 transitions. [2023-11-06 22:03:24,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 826 transitions. [2023-11-06 22:03:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:24,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:24,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:24,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-06 22:03:24,790 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:24,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:24,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2043607366, now seen corresponding path program 1 times [2023-11-06 22:03:24,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:24,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237249955] [2023-11-06 22:03:24,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:24,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:25,158 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 22:03:25,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:25,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237249955] [2023-11-06 22:03:25,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237249955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:25,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:25,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:25,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190023457] [2023-11-06 22:03:25,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:25,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:25,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:25,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:25,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:25,161 INFO L87 Difference]: Start difference. First operand 645 states and 826 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:28,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:28,028 INFO L93 Difference]: Finished difference Result 1203 states and 1575 transitions. [2023-11-06 22:03:28,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:28,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:28,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:28,031 INFO L225 Difference]: With dead ends: 1203 [2023-11-06 22:03:28,031 INFO L226 Difference]: Without dead ends: 1112 [2023-11-06 22:03:28,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:03:28,033 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 3634 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 2771 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 3697 SdHoareTripleChecker+Invalid, 2777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:28,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 3697 Invalid, 2777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2771 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 22:03:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2023-11-06 22:03:28,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 645. [2023-11-06 22:03:28,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3242375601926164) internal successors, (825), 644 states have internal predecessors, (825), 0 states have call successors, (0), 0 states 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 22:03:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 825 transitions. [2023-11-06 22:03:28,362 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 825 transitions. Word has length 98 [2023-11-06 22:03:28,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:28,363 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 825 transitions. [2023-11-06 22:03:28,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 825 transitions. [2023-11-06 22:03:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:28,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:28,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:28,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-06 22:03:28,364 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:28,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:28,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1144212400, now seen corresponding path program 1 times [2023-11-06 22:03:28,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:28,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508263651] [2023-11-06 22:03:28,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:28,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:28,683 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 22:03:28,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:28,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508263651] [2023-11-06 22:03:28,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508263651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:28,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:28,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:28,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579091936] [2023-11-06 22:03:28,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:28,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:28,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:28,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:28,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:28,686 INFO L87 Difference]: Start difference. First operand 645 states and 825 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:30,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:30,978 INFO L93 Difference]: Finished difference Result 1160 states and 1501 transitions. [2023-11-06 22:03:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:30,979 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:30,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:30,981 INFO L225 Difference]: With dead ends: 1160 [2023-11-06 22:03:30,981 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:03:30,982 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 22:03:30,983 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 3436 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3436 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:30,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3436 Valid, 2233 Invalid, 1757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:03:30,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:03:31,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 645. [2023-11-06 22:03:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3226324237560192) internal successors, (824), 644 states have internal predecessors, (824), 0 states have call successors, (0), 0 states 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 22:03:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 824 transitions. [2023-11-06 22:03:31,367 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 824 transitions. Word has length 98 [2023-11-06 22:03:31,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:31,368 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 824 transitions. [2023-11-06 22:03:31,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 824 transitions. [2023-11-06 22:03:31,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:31,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:31,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:31,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-06 22:03:31,369 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:31,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:31,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1885152984, now seen corresponding path program 1 times [2023-11-06 22:03:31,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:31,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983456113] [2023-11-06 22:03:31,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:31,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:31,885 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 22:03:31,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:31,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983456113] [2023-11-06 22:03:31,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983456113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:31,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:31,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:03:31,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001728306] [2023-11-06 22:03:31,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:31,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:03:31,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:31,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:03:31,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:03:31,888 INFO L87 Difference]: Start difference. First operand 645 states and 824 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:35,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:35,854 INFO L93 Difference]: Finished difference Result 1466 states and 1927 transitions. [2023-11-06 22:03:35,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:03:35,854 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:35,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:35,857 INFO L225 Difference]: With dead ends: 1466 [2023-11-06 22:03:35,858 INFO L226 Difference]: Without dead ends: 1461 [2023-11-06 22:03:35,859 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 22:03:35,859 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 7944 mSDsluCounter, 2030 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7944 SdHoareTripleChecker+Valid, 2626 SdHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 2114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:35,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7944 Valid, 2626 Invalid, 2371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:03:35,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2023-11-06 22:03:36,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 649. [2023-11-06 22:03:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.3205741626794258) internal successors, (828), 648 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 22:03:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 828 transitions. [2023-11-06 22:03:36,213 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 828 transitions. Word has length 98 [2023-11-06 22:03:36,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:36,214 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 828 transitions. [2023-11-06 22:03:36,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 828 transitions. [2023-11-06 22:03:36,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:36,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:36,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:36,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-06 22:03:36,216 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:36,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:36,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1274413538, now seen corresponding path program 1 times [2023-11-06 22:03:36,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:36,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322204827] [2023-11-06 22:03:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:36,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:36,551 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 22:03:36,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:36,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322204827] [2023-11-06 22:03:36,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322204827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:36,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:36,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:36,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430896545] [2023-11-06 22:03:36,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:36,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:36,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:36,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:36,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:36,554 INFO L87 Difference]: Start difference. First operand 649 states and 828 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:39,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:39,345 INFO L93 Difference]: Finished difference Result 1202 states and 1571 transitions. [2023-11-06 22:03:39,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:39,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:39,348 INFO L225 Difference]: With dead ends: 1202 [2023-11-06 22:03:39,348 INFO L226 Difference]: Without dead ends: 1120 [2023-11-06 22:03:39,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:03:39,349 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 4135 mSDsluCounter, 2685 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 3312 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:39,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 3312 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:03:39,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-11-06 22:03:39,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 649. [2023-11-06 22:03:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.3189792663476874) internal successors, (827), 648 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 22:03:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 827 transitions. [2023-11-06 22:03:39,686 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 827 transitions. Word has length 98 [2023-11-06 22:03:39,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:39,686 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 827 transitions. [2023-11-06 22:03:39,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 827 transitions. [2023-11-06 22:03:39,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:39,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:39,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:39,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-06 22:03:39,689 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:39,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:39,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2030828310, now seen corresponding path program 1 times [2023-11-06 22:03:39,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:39,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967774761] [2023-11-06 22:03:39,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:39,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:40,049 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 22:03:40,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:40,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967774761] [2023-11-06 22:03:40,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967774761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:40,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:40,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:40,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754425570] [2023-11-06 22:03:40,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:40,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:40,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:40,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:40,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:40,055 INFO L87 Difference]: Start difference. First operand 649 states and 827 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:42,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:42,570 INFO L93 Difference]: Finished difference Result 1158 states and 1496 transitions. [2023-11-06 22:03:42,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:42,570 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:42,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:42,573 INFO L225 Difference]: With dead ends: 1158 [2023-11-06 22:03:42,574 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:03:42,574 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 22:03:42,575 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 3958 mSDsluCounter, 2261 mSDsCounter, 0 mSdLazyCounter, 2141 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3958 SdHoareTripleChecker+Valid, 2801 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:42,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3958 Valid, 2801 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2141 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:03:42,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:03:43,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 649. [2023-11-06 22:03:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.3173843700159489) internal successors, (826), 648 states have internal predecessors, (826), 0 states have call successors, (0), 0 states 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 22:03:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 826 transitions. [2023-11-06 22:03:43,007 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 826 transitions. Word has length 98 [2023-11-06 22:03:43,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:43,008 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 826 transitions. [2023-11-06 22:03:43,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 826 transitions. [2023-11-06 22:03:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:43,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:43,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:43,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-06 22:03:43,009 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:43,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:43,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1081413880, now seen corresponding path program 1 times [2023-11-06 22:03:43,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:43,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713109262] [2023-11-06 22:03:43,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:43,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:43,352 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 22:03:43,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:43,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713109262] [2023-11-06 22:03:43,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713109262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:43,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:43,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:43,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693749862] [2023-11-06 22:03:43,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:43,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:43,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:43,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:43,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:43,355 INFO L87 Difference]: Start difference. First operand 649 states and 826 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:45,853 INFO L93 Difference]: Finished difference Result 1089 states and 1392 transitions. [2023-11-06 22:03:45,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:45,853 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:45,855 INFO L225 Difference]: With dead ends: 1089 [2023-11-06 22:03:45,855 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 22:03:45,856 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 22:03:45,856 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 3956 mSDsluCounter, 2261 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3956 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:45,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3956 Valid, 2802 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:03:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 22:03:46,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 649. [2023-11-06 22:03:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.3157894736842106) internal successors, (825), 648 states have internal predecessors, (825), 0 states have call successors, (0), 0 states 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 22:03:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 825 transitions. [2023-11-06 22:03:46,137 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 825 transitions. Word has length 98 [2023-11-06 22:03:46,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:46,137 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 825 transitions. [2023-11-06 22:03:46,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 825 transitions. [2023-11-06 22:03:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:46,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:46,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:46,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-06 22:03:46,139 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:46,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:46,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1301356314, now seen corresponding path program 1 times [2023-11-06 22:03:46,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:46,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280683756] [2023-11-06 22:03:46,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:46,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:46,697 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 22:03:46,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:46,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280683756] [2023-11-06 22:03:46,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280683756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:46,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:46,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:03:46,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047033745] [2023-11-06 22:03:46,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:46,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:03:46,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:46,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:03:46,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:03:46,699 INFO L87 Difference]: Start difference. First operand 649 states and 825 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:51,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:51,295 INFO L93 Difference]: Finished difference Result 1606 states and 2134 transitions. [2023-11-06 22:03:51,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:03:51,296 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:51,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:51,299 INFO L225 Difference]: With dead ends: 1606 [2023-11-06 22:03:51,300 INFO L226 Difference]: Without dead ends: 1589 [2023-11-06 22:03:51,301 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 22:03:51,301 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 7231 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7231 SdHoareTripleChecker+Valid, 3392 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:51,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7231 Valid, 3392 Invalid, 2835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:03:51,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2023-11-06 22:03:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 653. [2023-11-06 22:03:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 631 states have (on average 1.3137876386687797) internal successors, (829), 652 states have internal predecessors, (829), 0 states have call successors, (0), 0 states 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 22:03:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 829 transitions. [2023-11-06 22:03:51,671 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 829 transitions. Word has length 98 [2023-11-06 22:03:51,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:51,671 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 829 transitions. [2023-11-06 22:03:51,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 829 transitions. [2023-11-06 22:03:51,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:51,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:51,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:51,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-06 22:03:51,673 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:51,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1591996391, now seen corresponding path program 1 times [2023-11-06 22:03:51,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:51,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631115078] [2023-11-06 22:03:51,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:51,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:51,899 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 22:03:51,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:51,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631115078] [2023-11-06 22:03:51,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631115078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:51,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:51,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:51,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327579356] [2023-11-06 22:03:51,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:51,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:51,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:51,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:51,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:51,901 INFO L87 Difference]: Start difference. First operand 653 states and 829 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:54,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:54,105 INFO L93 Difference]: Finished difference Result 1164 states and 1500 transitions. [2023-11-06 22:03:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:54,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:54,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:54,112 INFO L225 Difference]: With dead ends: 1164 [2023-11-06 22:03:54,113 INFO L226 Difference]: Without dead ends: 1088 [2023-11-06 22:03:54,113 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 22:03:54,113 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 3447 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3447 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:54,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3447 Valid, 2241 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:03:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2023-11-06 22:03:54,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 653. [2023-11-06 22:03:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 631 states have (on average 1.312202852614897) internal successors, (828), 652 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 22:03:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 828 transitions. [2023-11-06 22:03:54,394 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 828 transitions. Word has length 98 [2023-11-06 22:03:54,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:54,394 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 828 transitions. [2023-11-06 22:03:54,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 828 transitions. [2023-11-06 22:03:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:54,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:54,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:54,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-06 22:03:54,395 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:54,396 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:54,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1028777306, now seen corresponding path program 1 times [2023-11-06 22:03:54,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:54,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129389746] [2023-11-06 22:03:54,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:54,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:54,691 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 22:03:54,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:54,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129389746] [2023-11-06 22:03:54,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129389746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:54,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:54,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:54,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644523069] [2023-11-06 22:03:54,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:54,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:54,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:54,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:54,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:54,695 INFO L87 Difference]: Start difference. First operand 653 states and 828 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:57,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:57,568 INFO L93 Difference]: Finished difference Result 1206 states and 1568 transitions. [2023-11-06 22:03:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:57,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:03:57,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:57,570 INFO L225 Difference]: With dead ends: 1206 [2023-11-06 22:03:57,570 INFO L226 Difference]: Without dead ends: 1120 [2023-11-06 22:03:57,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:03:57,571 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 3623 mSDsluCounter, 2916 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 3642 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:57,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 3642 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2703 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:03:57,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-11-06 22:03:57,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 653. [2023-11-06 22:03:57,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 631 states have (on average 1.3106180665610143) internal successors, (827), 652 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 22:03:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 827 transitions. [2023-11-06 22:03:57,890 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 827 transitions. Word has length 98 [2023-11-06 22:03:57,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:57,890 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 827 transitions. [2023-11-06 22:03:57,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 827 transitions. [2023-11-06 22:03:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:03:57,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:57,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:57,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-06 22:03:57,893 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:03:57,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:57,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1596017491, now seen corresponding path program 1 times [2023-11-06 22:03:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:57,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010181858] [2023-11-06 22:03:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:57,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:58,223 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 22:03:58,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:58,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010181858] [2023-11-06 22:03:58,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010181858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:58,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:58,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:58,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756124650] [2023-11-06 22:03:58,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:58,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:58,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:58,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:58,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:58,225 INFO L87 Difference]: Start difference. First operand 653 states and 827 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:00,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:00,681 INFO L93 Difference]: Finished difference Result 1167 states and 1501 transitions. [2023-11-06 22:04:00,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:00,682 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:00,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:00,683 INFO L225 Difference]: With dead ends: 1167 [2023-11-06 22:04:00,683 INFO L226 Difference]: Without dead ends: 1088 [2023-11-06 22:04:00,684 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 22:04:00,685 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 3930 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3930 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:00,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3930 Valid, 2833 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:04:00,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2023-11-06 22:04:00,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 653. [2023-11-06 22:04:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 631 states have (on average 1.3090332805071316) internal successors, (826), 652 states have internal predecessors, (826), 0 states have call successors, (0), 0 states 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 22:04:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 826 transitions. [2023-11-06 22:04:00,981 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 826 transitions. Word has length 98 [2023-11-06 22:04:00,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:00,981 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 826 transitions. [2023-11-06 22:04:00,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 826 transitions. [2023-11-06 22:04:00,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:00,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:00,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:00,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-06 22:04:00,983 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:00,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:00,983 INFO L85 PathProgramCache]: Analyzing trace with hash 316179611, now seen corresponding path program 1 times [2023-11-06 22:04:00,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:00,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014568924] [2023-11-06 22:04:00,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:01,372 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 22:04:01,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:01,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014568924] [2023-11-06 22:04:01,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014568924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:01,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:01,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:01,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66954427] [2023-11-06 22:04:01,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:01,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:04:01,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:01,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:04:01,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:04:01,374 INFO L87 Difference]: Start difference. First operand 653 states and 826 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:06,057 INFO L93 Difference]: Finished difference Result 1680 states and 2238 transitions. [2023-11-06 22:04:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:04:06,058 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:06,059 INFO L225 Difference]: With dead ends: 1680 [2023-11-06 22:04:06,059 INFO L226 Difference]: Without dead ends: 1589 [2023-11-06 22:04:06,060 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 22:04:06,061 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 7216 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 3159 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7216 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 3365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 3159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:06,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7216 Valid, 4080 Invalid, 3365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 3159 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:04:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2023-11-06 22:04:06,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 657. [2023-11-06 22:04:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 635 states have (on average 1.3070866141732282) internal successors, (830), 656 states have internal predecessors, (830), 0 states have call successors, (0), 0 states 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 22:04:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 830 transitions. [2023-11-06 22:04:06,388 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 830 transitions. Word has length 98 [2023-11-06 22:04:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:06,388 INFO L495 AbstractCegarLoop]: Abstraction has 657 states and 830 transitions. [2023-11-06 22:04:06,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 830 transitions. [2023-11-06 22:04:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:06,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:06,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:06,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-06 22:04:06,389 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:06,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:06,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1085915592, now seen corresponding path program 1 times [2023-11-06 22:04:06,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:06,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933125293] [2023-11-06 22:04:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:06,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:06,617 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 22:04:06,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:06,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933125293] [2023-11-06 22:04:06,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933125293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:06,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:06,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:06,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569598041] [2023-11-06 22:04:06,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:06,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:06,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:06,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:06,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:06,619 INFO L87 Difference]: Start difference. First operand 657 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:09,172 INFO L93 Difference]: Finished difference Result 1168 states and 1501 transitions. [2023-11-06 22:04:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:09,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:09,175 INFO L225 Difference]: With dead ends: 1168 [2023-11-06 22:04:09,175 INFO L226 Difference]: Without dead ends: 1092 [2023-11-06 22:04:09,175 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 22:04:09,176 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 3923 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3923 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:09,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3923 Valid, 2833 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:04:09,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2023-11-06 22:04:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 657. [2023-11-06 22:04:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 635 states have (on average 1.3055118110236221) internal successors, (829), 656 states have internal predecessors, (829), 0 states have call successors, (0), 0 states 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 22:04:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 829 transitions. [2023-11-06 22:04:09,475 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 829 transitions. Word has length 98 [2023-11-06 22:04:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:09,475 INFO L495 AbstractCegarLoop]: Abstraction has 657 states and 829 transitions. [2023-11-06 22:04:09,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 829 transitions. [2023-11-06 22:04:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:09,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:09,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:09,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-06 22:04:09,477 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:09,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash 588758619, now seen corresponding path program 1 times [2023-11-06 22:04:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:09,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850395012] [2023-11-06 22:04:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:09,722 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 22:04:09,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:09,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850395012] [2023-11-06 22:04:09,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850395012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:09,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:09,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:09,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668376197] [2023-11-06 22:04:09,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:09,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:09,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:09,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:09,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:09,725 INFO L87 Difference]: Start difference. First operand 657 states and 829 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:12,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:12,518 INFO L93 Difference]: Finished difference Result 1206 states and 1564 transitions. [2023-11-06 22:04:12,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:12,519 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:12,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:12,520 INFO L225 Difference]: With dead ends: 1206 [2023-11-06 22:04:12,520 INFO L226 Difference]: Without dead ends: 1120 [2023-11-06 22:04:12,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:04:12,521 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 3627 mSDsluCounter, 2887 mSDsCounter, 0 mSdLazyCounter, 2654 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:12,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3627 Valid, 3604 Invalid, 2660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2654 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:04:12,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-11-06 22:04:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 657. [2023-11-06 22:04:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 635 states have (on average 1.3039370078740158) internal successors, (828), 656 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 22:04:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 828 transitions. [2023-11-06 22:04:12,832 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 828 transitions. Word has length 98 [2023-11-06 22:04:12,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:12,832 INFO L495 AbstractCegarLoop]: Abstraction has 657 states and 828 transitions. [2023-11-06 22:04:12,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:12,833 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 828 transitions. [2023-11-06 22:04:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:12,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:12,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:12,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-06 22:04:12,834 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:12,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:12,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1615258738, now seen corresponding path program 1 times [2023-11-06 22:04:12,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:12,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131799954] [2023-11-06 22:04:12,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:13,257 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 22:04:13,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:13,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131799954] [2023-11-06 22:04:13,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131799954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:13,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:13,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:13,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714423853] [2023-11-06 22:04:13,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:13,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:04:13,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:13,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:04:13,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:04:13,260 INFO L87 Difference]: Start difference. First operand 657 states and 828 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:17,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:17,694 INFO L93 Difference]: Finished difference Result 1670 states and 2225 transitions. [2023-11-06 22:04:17,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:04:17,695 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:17,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:17,696 INFO L225 Difference]: With dead ends: 1670 [2023-11-06 22:04:17,696 INFO L226 Difference]: Without dead ends: 1584 [2023-11-06 22:04:17,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:04:17,697 INFO L413 NwaCegarLoop]: 749 mSDtfsCounter, 8263 mSDsluCounter, 2446 mSDsCounter, 0 mSdLazyCounter, 2432 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8263 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 2432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:17,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8263 Valid, 3195 Invalid, 2653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 2432 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:04:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2023-11-06 22:04:18,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 661. [2023-11-06 22:04:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 639 states have (on average 1.302034428794992) internal successors, (832), 660 states have internal predecessors, (832), 0 states have call successors, (0), 0 states 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 22:04:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 832 transitions. [2023-11-06 22:04:18,013 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 832 transitions. Word has length 98 [2023-11-06 22:04:18,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:18,014 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 832 transitions. [2023-11-06 22:04:18,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 832 transitions. [2023-11-06 22:04:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:18,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:18,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:18,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-06 22:04:18,016 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:18,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:18,016 INFO L85 PathProgramCache]: Analyzing trace with hash 472842913, now seen corresponding path program 1 times [2023-11-06 22:04:18,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:18,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501994843] [2023-11-06 22:04:18,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:18,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:18,287 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 22:04:18,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:18,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501994843] [2023-11-06 22:04:18,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501994843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:18,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:18,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:18,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849429371] [2023-11-06 22:04:18,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:18,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:18,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:18,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:18,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:18,289 INFO L87 Difference]: Start difference. First operand 661 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:20,815 INFO L93 Difference]: Finished difference Result 1172 states and 1503 transitions. [2023-11-06 22:04:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:20,815 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:20,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:20,816 INFO L225 Difference]: With dead ends: 1172 [2023-11-06 22:04:20,817 INFO L226 Difference]: Without dead ends: 1096 [2023-11-06 22:04:20,817 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 22:04:20,817 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 3374 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:20,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 2305 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:04:20,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-06 22:04:21,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 661. [2023-11-06 22:04:21,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 639 states have (on average 1.300469483568075) internal successors, (831), 660 states have internal predecessors, (831), 0 states have call successors, (0), 0 states 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 22:04:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 831 transitions. [2023-11-06 22:04:21,184 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 831 transitions. Word has length 98 [2023-11-06 22:04:21,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:21,184 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 831 transitions. [2023-11-06 22:04:21,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 831 transitions. [2023-11-06 22:04:21,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:21,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:21,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:21,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-06 22:04:21,186 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:21,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1403498445, now seen corresponding path program 1 times [2023-11-06 22:04:21,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:21,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372304623] [2023-11-06 22:04:21,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:21,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:21,439 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 22:04:21,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:21,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372304623] [2023-11-06 22:04:21,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372304623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:21,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:21,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:21,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570743593] [2023-11-06 22:04:21,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:21,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:21,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:21,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:21,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:21,441 INFO L87 Difference]: Start difference. First operand 661 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:24,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:24,209 INFO L93 Difference]: Finished difference Result 1202 states and 1556 transitions. [2023-11-06 22:04:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:24,209 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:24,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:24,211 INFO L225 Difference]: With dead ends: 1202 [2023-11-06 22:04:24,211 INFO L226 Difference]: Without dead ends: 1120 [2023-11-06 22:04:24,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:04:24,212 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 3728 mSDsluCounter, 2700 mSDsCounter, 0 mSdLazyCounter, 2438 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3728 SdHoareTripleChecker+Valid, 3353 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:24,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3728 Valid, 3353 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2438 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:04:24,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-11-06 22:04:24,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 661. [2023-11-06 22:04:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 639 states have (on average 1.2989045383411582) internal successors, (830), 660 states have internal predecessors, (830), 0 states have call successors, (0), 0 states 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 22:04:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 830 transitions. [2023-11-06 22:04:24,565 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 830 transitions. Word has length 98 [2023-11-06 22:04:24,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:24,565 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 830 transitions. [2023-11-06 22:04:24,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 830 transitions. [2023-11-06 22:04:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:24,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:24,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:24,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-06 22:04:24,566 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:24,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:24,567 INFO L85 PathProgramCache]: Analyzing trace with hash 105073130, now seen corresponding path program 1 times [2023-11-06 22:04:24,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:24,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462844488] [2023-11-06 22:04:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:24,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:24,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:24,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462844488] [2023-11-06 22:04:24,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462844488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:24,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:24,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:24,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647859924] [2023-11-06 22:04:24,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:24,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:24,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:24,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:24,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:24,832 INFO L87 Difference]: Start difference. First operand 661 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:27,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:27,490 INFO L93 Difference]: Finished difference Result 1202 states and 1555 transitions. [2023-11-06 22:04:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:27,490 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:27,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:27,491 INFO L225 Difference]: With dead ends: 1202 [2023-11-06 22:04:27,491 INFO L226 Difference]: Without dead ends: 1120 [2023-11-06 22:04:27,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:04:27,492 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 4039 mSDsluCounter, 2647 mSDsCounter, 0 mSdLazyCounter, 2332 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4039 SdHoareTripleChecker+Valid, 3240 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:27,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4039 Valid, 3240 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2332 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:04:27,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-11-06 22:04:27,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 661. [2023-11-06 22:04:27,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 639 states have (on average 1.297339593114241) internal successors, (829), 660 states have internal predecessors, (829), 0 states have call successors, (0), 0 states 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 22:04:27,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 829 transitions. [2023-11-06 22:04:27,820 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 829 transitions. Word has length 98 [2023-11-06 22:04:27,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:27,820 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 829 transitions. [2023-11-06 22:04:27,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 829 transitions. [2023-11-06 22:04:27,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:27,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:27,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:27,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-06 22:04:27,822 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:27,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:27,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1773163569, now seen corresponding path program 1 times [2023-11-06 22:04:27,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:27,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619841917] [2023-11-06 22:04:27,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:27,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:28,115 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 22:04:28,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:28,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619841917] [2023-11-06 22:04:28,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619841917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:28,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:28,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:28,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399551751] [2023-11-06 22:04:28,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:28,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:28,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:28,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:28,118 INFO L87 Difference]: Start difference. First operand 661 states and 829 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:30,909 INFO L93 Difference]: Finished difference Result 1170 states and 1498 transitions. [2023-11-06 22:04:30,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:30,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:30,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:30,911 INFO L225 Difference]: With dead ends: 1170 [2023-11-06 22:04:30,911 INFO L226 Difference]: Without dead ends: 1096 [2023-11-06 22:04:30,911 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 22:04:30,912 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 3863 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 2177 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3863 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:30,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3863 Valid, 2913 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2177 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:04:30,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-06 22:04:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 661. [2023-11-06 22:04:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 639 states have (on average 1.295774647887324) internal successors, (828), 660 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 22:04:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 828 transitions. [2023-11-06 22:04:31,266 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 828 transitions. Word has length 98 [2023-11-06 22:04:31,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:31,266 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 828 transitions. [2023-11-06 22:04:31,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:31,267 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 828 transitions. [2023-11-06 22:04:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:31,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:31,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:31,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-06 22:04:31,269 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:31,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:31,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1981414488, now seen corresponding path program 1 times [2023-11-06 22:04:31,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:31,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443603687] [2023-11-06 22:04:31,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:31,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:31,609 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 22:04:31,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:31,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443603687] [2023-11-06 22:04:31,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443603687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:31,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:31,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:31,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303610600] [2023-11-06 22:04:31,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:31,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:31,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:31,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:31,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:31,612 INFO L87 Difference]: Start difference. First operand 661 states and 828 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:34,296 INFO L93 Difference]: Finished difference Result 1172 states and 1499 transitions. [2023-11-06 22:04:34,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:34,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:34,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:34,297 INFO L225 Difference]: With dead ends: 1172 [2023-11-06 22:04:34,298 INFO L226 Difference]: Without dead ends: 1096 [2023-11-06 22:04:34,298 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 22:04:34,298 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 3859 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3859 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:34,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3859 Valid, 2917 Invalid, 2175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:04:34,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-06 22:04:34,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 661. [2023-11-06 22:04:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 639 states have (on average 1.294209702660407) internal successors, (827), 660 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 22:04:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 827 transitions. [2023-11-06 22:04:34,705 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 827 transitions. Word has length 98 [2023-11-06 22:04:34,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:34,705 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 827 transitions. [2023-11-06 22:04:34,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 827 transitions. [2023-11-06 22:04:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:34,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:34,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:34,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-06 22:04:34,707 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:34,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:34,707 INFO L85 PathProgramCache]: Analyzing trace with hash -638543956, now seen corresponding path program 1 times [2023-11-06 22:04:34,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:34,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146222662] [2023-11-06 22:04:34,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:34,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:35,146 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 22:04:35,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:35,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146222662] [2023-11-06 22:04:35,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146222662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:35,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:35,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:35,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574639630] [2023-11-06 22:04:35,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:35,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:04:35,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:35,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:04:35,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:04:35,148 INFO L87 Difference]: Start difference. First operand 661 states and 827 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:40,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:40,135 INFO L93 Difference]: Finished difference Result 1670 states and 2215 transitions. [2023-11-06 22:04:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:04:40,135 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:40,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:40,137 INFO L225 Difference]: With dead ends: 1670 [2023-11-06 22:04:40,137 INFO L226 Difference]: Without dead ends: 1584 [2023-11-06 22:04:40,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:04:40,138 INFO L413 NwaCegarLoop]: 806 mSDtfsCounter, 5345 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5345 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:40,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5345 Valid, 3566 Invalid, 2944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:04:40,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2023-11-06 22:04:40,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 665. [2023-11-06 22:04:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 643 states have (on average 1.2923794712286159) internal successors, (831), 664 states have internal predecessors, (831), 0 states have call successors, (0), 0 states 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 22:04:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 831 transitions. [2023-11-06 22:04:40,564 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 831 transitions. Word has length 98 [2023-11-06 22:04:40,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:40,565 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 831 transitions. [2023-11-06 22:04:40,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 831 transitions. [2023-11-06 22:04:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:40,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:40,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:40,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-11-06 22:04:40,566 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:40,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:40,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1342903942, now seen corresponding path program 1 times [2023-11-06 22:04:40,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:40,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442822005] [2023-11-06 22:04:40,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:40,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:40,821 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 22:04:40,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:40,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442822005] [2023-11-06 22:04:40,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442822005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:40,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:40,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:40,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391241551] [2023-11-06 22:04:40,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:40,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:40,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:40,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:40,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:40,823 INFO L87 Difference]: Start difference. First operand 665 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:43,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:43,555 INFO L93 Difference]: Finished difference Result 1174 states and 1500 transitions. [2023-11-06 22:04:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:43,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:43,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:43,557 INFO L225 Difference]: With dead ends: 1174 [2023-11-06 22:04:43,557 INFO L226 Difference]: Without dead ends: 1100 [2023-11-06 22:04:43,558 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 22:04:43,558 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 3855 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3855 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:43,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3855 Valid, 2913 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:04:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2023-11-06 22:04:43,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 665. [2023-11-06 22:04:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 643 states have (on average 1.290824261275272) internal successors, (830), 664 states have internal predecessors, (830), 0 states have call successors, (0), 0 states 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 22:04:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 830 transitions. [2023-11-06 22:04:43,905 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 830 transitions. Word has length 98 [2023-11-06 22:04:43,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:43,905 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 830 transitions. [2023-11-06 22:04:43,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 830 transitions. [2023-11-06 22:04:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:04:43,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:43,906 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] [2023-11-06 22:04:43,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-11-06 22:04:43,906 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:43,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:43,907 INFO L85 PathProgramCache]: Analyzing trace with hash -23165618, now seen corresponding path program 1 times [2023-11-06 22:04:43,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:43,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686340200] [2023-11-06 22:04:43,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:43,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:44,304 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 22:04:44,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:44,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686340200] [2023-11-06 22:04:44,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686340200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:44,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:44,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:44,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505055037] [2023-11-06 22:04:44,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:44,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:04:44,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:44,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:04:44,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:04:44,307 INFO L87 Difference]: Start difference. First operand 665 states and 830 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:49,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:49,327 INFO L93 Difference]: Finished difference Result 1662 states and 2206 transitions. [2023-11-06 22:04:49,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:04:49,328 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-06 22:04:49,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:49,329 INFO L225 Difference]: With dead ends: 1662 [2023-11-06 22:04:49,329 INFO L226 Difference]: Without dead ends: 1580 [2023-11-06 22:04:49,330 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 22:04:49,330 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 7312 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7312 SdHoareTripleChecker+Valid, 3938 SdHoareTripleChecker+Invalid, 3219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:49,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7312 Valid, 3938 Invalid, 3219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:04:49,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2023-11-06 22:04:49,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 669. [2023-11-06 22:04:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 647 states have (on average 1.2890262751159196) internal successors, (834), 668 states have internal predecessors, (834), 0 states have call successors, (0), 0 states 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 22:04:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 834 transitions. [2023-11-06 22:04:49,687 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 834 transitions. Word has length 98 [2023-11-06 22:04:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:49,687 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 834 transitions. [2023-11-06 22:04:49,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 834 transitions. [2023-11-06 22:04:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 22:04:49,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:49,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:49,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-11-06 22:04:49,689 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:49,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:49,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1243175494, now seen corresponding path program 1 times [2023-11-06 22:04:49,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:49,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018950061] [2023-11-06 22:04:49,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:49,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:49,907 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 22:04:49,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:49,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018950061] [2023-11-06 22:04:49,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018950061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:49,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:49,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:49,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067459875] [2023-11-06 22:04:49,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:49,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:49,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:49,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:49,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:49,909 INFO L87 Difference]: Start difference. First operand 669 states and 834 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:52,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:52,595 INFO L93 Difference]: Finished difference Result 1211 states and 1556 transitions. [2023-11-06 22:04:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:52,596 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-11-06 22:04:52,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:52,597 INFO L225 Difference]: With dead ends: 1211 [2023-11-06 22:04:52,598 INFO L226 Difference]: Without dead ends: 1120 [2023-11-06 22:04:52,598 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 22:04:52,599 INFO L413 NwaCegarLoop]: 710 mSDtfsCounter, 4231 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4231 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 2059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:52,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4231 Valid, 2820 Invalid, 2059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:04:52,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-11-06 22:04:53,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 665. [2023-11-06 22:04:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 643 states have (on average 1.2892690513219285) internal successors, (829), 664 states have internal predecessors, (829), 0 states have call successors, (0), 0 states 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 22:04:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 829 transitions. [2023-11-06 22:04:53,023 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 829 transitions. Word has length 99 [2023-11-06 22:04:53,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:53,023 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 829 transitions. [2023-11-06 22:04:53,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 829 transitions. [2023-11-06 22:04:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 22:04:53,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:53,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:53,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-06 22:04:53,025 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:53,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:53,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1955967073, now seen corresponding path program 1 times [2023-11-06 22:04:53,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:53,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083360469] [2023-11-06 22:04:53,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:53,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:53,251 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 22:04:53,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:53,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083360469] [2023-11-06 22:04:53,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083360469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:53,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:53,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:53,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529710225] [2023-11-06 22:04:53,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:53,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:53,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:53,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:53,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:53,253 INFO L87 Difference]: Start difference. First operand 665 states and 829 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:55,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:55,981 INFO L93 Difference]: Finished difference Result 1105 states and 1395 transitions. [2023-11-06 22:04:55,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:55,982 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-11-06 22:04:55,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:55,983 INFO L225 Difference]: With dead ends: 1105 [2023-11-06 22:04:55,983 INFO L226 Difference]: Without dead ends: 1100 [2023-11-06 22:04:55,984 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 22:04:55,984 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 2162 mSDsluCounter, 1930 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:55,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 2572 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:04:55,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2023-11-06 22:04:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 661. [2023-11-06 22:04:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 639 states have (on average 1.2895148669796557) internal successors, (824), 660 states have internal predecessors, (824), 0 states have call successors, (0), 0 states 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 22:04:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 824 transitions. [2023-11-06 22:04:56,376 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 824 transitions. Word has length 99 [2023-11-06 22:04:56,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:56,376 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 824 transitions. [2023-11-06 22:04:56,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 824 transitions. [2023-11-06 22:04:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 22:04:56,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:56,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:56,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-06 22:04:56,378 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-11-06 22:04:56,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:56,378 INFO L85 PathProgramCache]: Analyzing trace with hash 358996279, now seen corresponding path program 1 times [2023-11-06 22:04:56,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:56,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451965870] [2023-11-06 22:04:56,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:56,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:56,606 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 22:04:56,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:56,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451965870] [2023-11-06 22:04:56,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451965870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:56,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:56,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:04:56,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306788364] [2023-11-06 22:04:56,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:56,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:04:56,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:56,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:04:56,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:04:56,615 INFO L87 Difference]: Start difference. First operand 661 states and 824 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)