./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.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_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/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_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/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_7e927939-7dad-41c1-ae88-06e13a43dc12/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 dbfd30746a885b9515f914ecf1282b7cce3374e505c2f59173500b59d4c3c5b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:27:51,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:27:51,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:27:51,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:27:51,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:27:51,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:27:51,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:27:51,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:27:51,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:27:51,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:27:51,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:27:51,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:27:51,209 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:27:51,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:27:51,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:27:51,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:27:51,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:27:51,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:27:51,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:27:51,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:27:51,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:27:51,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:27:51,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:27:51,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:27:51,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:27:51,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:27:51,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:27:51,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:27:51,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:27:51,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:27:51,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:27:51,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:27:51,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:27:51,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:27:51,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:27:51,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:27:51,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:27:51,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:27:51,222 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:27:51,223 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_7e927939-7dad-41c1-ae88-06e13a43dc12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbfd30746a885b9515f914ecf1282b7cce3374e505c2f59173500b59d4c3c5b9 [2023-11-06 22:27:51,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:27:51,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:27:51,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:27:51,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:27:51,500 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:27:51,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-06 22:27:54,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:27:55,026 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:27:55,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-06 22:27:55,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/data/6dc9ed318/6e9cb2d411c54be7af8abae27f4edff4/FLAGbb83380e9 [2023-11-06 22:27:55,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/data/6dc9ed318/6e9cb2d411c54be7af8abae27f4edff4 [2023-11-06 22:27:55,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:27:55,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:27:55,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:27:55,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:27:55,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:27:55,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:27:55" (1/1) ... [2023-11-06 22:27:55,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48456999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:55, skipping insertion in model container [2023-11-06 22:27:55,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:27:55" (1/1) ... [2023-11-06 22:27:55,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:27:55,636 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2023-11-06 22:27:55,667 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2023-11-06 22:27:55,680 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2023-11-06 22:27:55,688 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2023-11-06 22:27:55,702 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2023-11-06 22:27:55,710 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2023-11-06 22:27:55,719 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2023-11-06 22:27:55,739 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2023-11-06 22:27:55,747 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2023-11-06 22:27:55,756 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2023-11-06 22:27:55,772 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2023-11-06 22:27:55,802 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2023-11-06 22:27:55,838 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2023-11-06 22:27:55,847 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2023-11-06 22:27:55,877 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2023-11-06 22:27:55,895 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2023-11-06 22:27:56,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:27:56,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:27:56,216 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2023-11-06 22:27:56,244 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2023-11-06 22:27:56,254 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2023-11-06 22:27:56,259 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2023-11-06 22:27:56,266 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2023-11-06 22:27:56,271 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2023-11-06 22:27:56,277 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2023-11-06 22:27:56,288 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2023-11-06 22:27:56,293 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2023-11-06 22:27:56,299 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2023-11-06 22:27:56,308 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2023-11-06 22:27:56,326 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2023-11-06 22:27:56,331 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2023-11-06 22:27:56,336 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2023-11-06 22:27:56,346 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2023-11-06 22:27:56,358 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_7e927939-7dad-41c1-ae88-06e13a43dc12/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2023-11-06 22:27:56,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:27:56,603 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:27:56,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56 WrapperNode [2023-11-06 22:27:56,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:27:56,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:27:56,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:27:56,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:27:56,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,788 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3574 [2023-11-06 22:27:56,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:27:56,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:27:56,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:27:56,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:27:56,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:27:56,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:27:56,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:27:56,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:27:56,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (1/1) ... [2023-11-06 22:27:56,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:27:56,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:56,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:57,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e927939-7dad-41c1-ae88-06e13a43dc12/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:27:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:27:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:27:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:27:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:27:57,294 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:27:57,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:27:59,654 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:27:59,679 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:27:59,684 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:27:59,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:27:59 BoogieIcfgContainer [2023-11-06 22:27:59,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:27:59,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:27:59,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:27:59,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:27:59,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:27:55" (1/3) ... [2023-11-06 22:27:59,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c7f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:27:59, skipping insertion in model container [2023-11-06 22:27:59,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:56" (2/3) ... [2023-11-06 22:27:59,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c7f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:27:59, skipping insertion in model container [2023-11-06 22:27:59,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:27:59" (3/3) ... [2023-11-06 22:27:59,704 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-06 22:27:59,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:27:59,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-06 22:27:59,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:27:59,809 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;@201d640b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:27:59,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-06 22:27:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 627 states, 609 states have (on average 1.8505747126436782) internal successors, (1127), 626 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:27:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-06 22:27:59,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:27:59,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:59,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:27:59,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:59,855 INFO L85 PathProgramCache]: Analyzing trace with hash -50607350, now seen corresponding path program 1 times [2023-11-06 22:27:59,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:59,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366831629] [2023-11-06 22:27:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:59,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:28:00,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:00,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366831629] [2023-11-06 22:28:00,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366831629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:00,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:00,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:28:00,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806652215] [2023-11-06 22:28:00,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:00,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:28:00,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:00,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:28:00,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:28:00,697 INFO L87 Difference]: Start difference. First operand has 627 states, 609 states have (on average 1.8505747126436782) internal successors, (1127), 626 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:01,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:01,614 INFO L93 Difference]: Finished difference Result 1187 states and 2033 transitions. [2023-11-06 22:28:01,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:28:01,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-06 22:28:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:01,645 INFO L225 Difference]: With dead ends: 1187 [2023-11-06 22:28:01,646 INFO L226 Difference]: Without dead ends: 709 [2023-11-06 22:28:01,659 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 22:28:01,667 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 3196 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3196 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:01,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3196 Valid, 818 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:28:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-11-06 22:28:01,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 649. [2023-11-06 22:28:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 633 states have (on average 1.3601895734597156) internal successors, (861), 648 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 861 transitions. [2023-11-06 22:28:01,806 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 861 transitions. Word has length 71 [2023-11-06 22:28:01,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:01,808 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 861 transitions. [2023-11-06 22:28:01,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 861 transitions. [2023-11-06 22:28:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:28:01,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:01,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:01,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:28:01,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:01,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:01,818 INFO L85 PathProgramCache]: Analyzing trace with hash -329897172, now seen corresponding path program 1 times [2023-11-06 22:28:01,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:01,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630089753] [2023-11-06 22:28:01,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:01,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:02,087 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 22:28:02,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:02,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630089753] [2023-11-06 22:28:02,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630089753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:02,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:02,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:28:02,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133482113] [2023-11-06 22:28:02,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:02,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:28:02,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:02,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:28:02,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:28:02,091 INFO L87 Difference]: Start difference. First operand 649 states and 861 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:02,608 INFO L93 Difference]: Finished difference Result 1136 states and 1545 transitions. [2023-11-06 22:28:02,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:28:02,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-11-06 22:28:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:02,613 INFO L225 Difference]: With dead ends: 1136 [2023-11-06 22:28:02,613 INFO L226 Difference]: Without dead ends: 609 [2023-11-06 22:28:02,615 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 22:28:02,617 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 1642 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:02,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 325 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:28:02,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2023-11-06 22:28:02,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2023-11-06 22:28:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 593 states have (on average 1.3676222596964587) internal successors, (811), 608 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 811 transitions. [2023-11-06 22:28:02,691 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 811 transitions. Word has length 72 [2023-11-06 22:28:02,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:02,691 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 811 transitions. [2023-11-06 22:28:02,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:02,692 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 811 transitions. [2023-11-06 22:28:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 22:28:02,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:02,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:02,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:28:02,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:02,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:02,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1203518485, now seen corresponding path program 1 times [2023-11-06 22:28:02,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:02,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106174732] [2023-11-06 22:28:02,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:02,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:02,907 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 22:28:02,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:02,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106174732] [2023-11-06 22:28:02,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106174732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:02,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:02,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:28:02,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852073093] [2023-11-06 22:28:02,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:02,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:28:02,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:02,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:28:02,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:28:02,910 INFO L87 Difference]: Start difference. First operand 609 states and 811 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:03,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:03,322 INFO L93 Difference]: Finished difference Result 1096 states and 1493 transitions. [2023-11-06 22:28:03,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:28:03,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-06 22:28:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:03,328 INFO L225 Difference]: With dead ends: 1096 [2023-11-06 22:28:03,328 INFO L226 Difference]: Without dead ends: 577 [2023-11-06 22:28:03,329 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 22:28:03,332 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 1549 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:03,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 319 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:28:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2023-11-06 22:28:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2023-11-06 22:28:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 561 states have (on average 1.3778966131907309) internal successors, (773), 576 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 773 transitions. [2023-11-06 22:28:03,390 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 773 transitions. Word has length 73 [2023-11-06 22:28:03,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:03,391 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 773 transitions. [2023-11-06 22:28:03,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 773 transitions. [2023-11-06 22:28:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:28:03,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:03,395 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] [2023-11-06 22:28:03,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:28:03,396 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:03,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:03,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2052061875, now seen corresponding path program 1 times [2023-11-06 22:28:03,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:03,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093718403] [2023-11-06 22:28:03,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:03,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:03,581 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 22:28:03,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:03,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093718403] [2023-11-06 22:28:03,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093718403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:03,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:03,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:28:03,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945998382] [2023-11-06 22:28:03,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:03,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:28:03,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:03,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:28:03,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:28:03,583 INFO L87 Difference]: Start difference. First operand 577 states and 773 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:03,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:03,941 INFO L93 Difference]: Finished difference Result 1064 states and 1453 transitions. [2023-11-06 22:28:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:28:03,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-11-06 22:28:03,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:03,946 INFO L225 Difference]: With dead ends: 1064 [2023-11-06 22:28:03,946 INFO L226 Difference]: Without dead ends: 552 [2023-11-06 22:28:03,947 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 22:28:03,949 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 1491 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:03,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 306 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:28:03,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-11-06 22:28:04,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2023-11-06 22:28:04,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 536 states have (on average 1.3880597014925373) internal successors, (744), 551 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 744 transitions. [2023-11-06 22:28:04,043 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 744 transitions. Word has length 74 [2023-11-06 22:28:04,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:04,046 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 744 transitions. [2023-11-06 22:28:04,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 744 transitions. [2023-11-06 22:28:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 22:28:04,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:04,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:04,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:28:04,048 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:04,049 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:04,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1326375668, now seen corresponding path program 1 times [2023-11-06 22:28:04,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:04,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497004258] [2023-11-06 22:28:04,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:04,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:04,250 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 22:28:04,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:04,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497004258] [2023-11-06 22:28:04,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497004258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:04,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:04,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:28:04,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534689100] [2023-11-06 22:28:04,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:04,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:28:04,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:04,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:28:04,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:28:04,254 INFO L87 Difference]: Start difference. First operand 552 states and 744 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:04,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:04,618 INFO L93 Difference]: Finished difference Result 1039 states and 1422 transitions. [2023-11-06 22:28:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:28:04,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2023-11-06 22:28:04,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:04,623 INFO L225 Difference]: With dead ends: 1039 [2023-11-06 22:28:04,623 INFO L226 Difference]: Without dead ends: 541 [2023-11-06 22:28:04,624 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 22:28:04,625 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 1439 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:04,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 301 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:28:04,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2023-11-06 22:28:04,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2023-11-06 22:28:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3904761904761904) internal successors, (730), 540 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 730 transitions. [2023-11-06 22:28:04,695 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 730 transitions. Word has length 75 [2023-11-06 22:28:04,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:04,695 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 730 transitions. [2023-11-06 22:28:04,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 730 transitions. [2023-11-06 22:28:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:28:04,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:04,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:04,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:28:04,701 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:04,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:04,705 INFO L85 PathProgramCache]: Analyzing trace with hash -976633234, now seen corresponding path program 1 times [2023-11-06 22:28:04,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:04,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825695807] [2023-11-06 22:28:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:04,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:05,244 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 22:28:05,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:05,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825695807] [2023-11-06 22:28:05,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825695807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:05,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:05,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:28:05,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061198815] [2023-11-06 22:28:05,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:05,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:28:05,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:05,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:28:05,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:28:05,254 INFO L87 Difference]: Start difference. First operand 541 states and 730 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:06,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:06,173 INFO L93 Difference]: Finished difference Result 1039 states and 1380 transitions. [2023-11-06 22:28:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:28:06,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-06 22:28:06,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:06,179 INFO L225 Difference]: With dead ends: 1039 [2023-11-06 22:28:06,179 INFO L226 Difference]: Without dead ends: 767 [2023-11-06 22:28:06,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:28:06,181 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 2195 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:06,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 911 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:28:06,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2023-11-06 22:28:06,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 541. [2023-11-06 22:28:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3885714285714286) internal successors, (729), 540 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 729 transitions. [2023-11-06 22:28:06,275 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 729 transitions. Word has length 76 [2023-11-06 22:28:06,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:06,276 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 729 transitions. [2023-11-06 22:28:06,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 729 transitions. [2023-11-06 22:28:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:28:06,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:06,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:06,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:28:06,282 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:06,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash 649885335, now seen corresponding path program 1 times [2023-11-06 22:28:06,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:06,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607304180] [2023-11-06 22:28:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:06,697 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 22:28:06,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:06,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607304180] [2023-11-06 22:28:06,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607304180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:06,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:06,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:06,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144710154] [2023-11-06 22:28:06,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:06,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:06,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:06,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:06,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:06,701 INFO L87 Difference]: Start difference. First operand 541 states and 729 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:08,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:08,063 INFO L93 Difference]: Finished difference Result 923 states and 1280 transitions. [2023-11-06 22:28:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:08,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-06 22:28:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:08,068 INFO L225 Difference]: With dead ends: 923 [2023-11-06 22:28:08,068 INFO L226 Difference]: Without dead ends: 735 [2023-11-06 22:28:08,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:28:08,070 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1888 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:08,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 1652 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2023-11-06 22:28:08,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 541. [2023-11-06 22:28:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3866666666666667) internal successors, (728), 540 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 728 transitions. [2023-11-06 22:28:08,161 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 728 transitions. Word has length 76 [2023-11-06 22:28:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:08,161 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 728 transitions. [2023-11-06 22:28:08,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 728 transitions. [2023-11-06 22:28:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:28:08,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:08,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:08,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:28:08,164 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:08,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:08,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1538930145, now seen corresponding path program 1 times [2023-11-06 22:28:08,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:08,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267824211] [2023-11-06 22:28:08,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:08,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:08,590 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 22:28:08,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:08,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267824211] [2023-11-06 22:28:08,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267824211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:08,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:08,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:08,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993728269] [2023-11-06 22:28:08,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:08,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:08,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:08,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:08,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:08,593 INFO L87 Difference]: Start difference. First operand 541 states and 728 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:09,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:09,966 INFO L93 Difference]: Finished difference Result 1230 states and 1704 transitions. [2023-11-06 22:28:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:09,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-06 22:28:09,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:09,973 INFO L225 Difference]: With dead ends: 1230 [2023-11-06 22:28:09,973 INFO L226 Difference]: Without dead ends: 1094 [2023-11-06 22:28:09,974 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 22:28:09,975 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 2326 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:09,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 1387 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-06 22:28:10,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 541. [2023-11-06 22:28:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3847619047619049) internal successors, (727), 540 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 727 transitions. [2023-11-06 22:28:10,101 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 727 transitions. Word has length 76 [2023-11-06 22:28:10,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:10,102 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 727 transitions. [2023-11-06 22:28:10,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 727 transitions. [2023-11-06 22:28:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:28:10,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:10,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:10,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:28:10,105 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:10,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:10,105 INFO L85 PathProgramCache]: Analyzing trace with hash 684383254, now seen corresponding path program 1 times [2023-11-06 22:28:10,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:10,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600811856] [2023-11-06 22:28:10,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:10,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:10,437 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 22:28:10,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:10,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600811856] [2023-11-06 22:28:10,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600811856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:10,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:10,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:10,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611015779] [2023-11-06 22:28:10,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:10,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:10,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:10,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:10,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:10,440 INFO L87 Difference]: Start difference. First operand 541 states and 727 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:11,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:11,846 INFO L93 Difference]: Finished difference Result 1276 states and 1772 transitions. [2023-11-06 22:28:11,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:11,846 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:28:11,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:11,853 INFO L225 Difference]: With dead ends: 1276 [2023-11-06 22:28:11,853 INFO L226 Difference]: Without dead ends: 1118 [2023-11-06 22:28:11,854 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 22:28:11,856 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 1487 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 1637 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:11,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1637 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:11,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-11-06 22:28:12,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 541. [2023-11-06 22:28:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3828571428571428) internal successors, (726), 540 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 726 transitions. [2023-11-06 22:28:12,020 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 726 transitions. Word has length 78 [2023-11-06 22:28:12,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:12,020 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 726 transitions. [2023-11-06 22:28:12,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 726 transitions. [2023-11-06 22:28:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:28:12,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:12,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:12,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:28:12,024 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:12,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:12,024 INFO L85 PathProgramCache]: Analyzing trace with hash 275538026, now seen corresponding path program 1 times [2023-11-06 22:28:12,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:12,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958651489] [2023-11-06 22:28:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:12,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:12,386 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 22:28:12,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:12,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958651489] [2023-11-06 22:28:12,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958651489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:12,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:12,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:12,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710088361] [2023-11-06 22:28:12,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:12,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:12,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:12,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:12,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:12,392 INFO L87 Difference]: Start difference. First operand 541 states and 726 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:13,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:13,716 INFO L93 Difference]: Finished difference Result 1230 states and 1702 transitions. [2023-11-06 22:28:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:13,717 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:28:13,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:13,723 INFO L225 Difference]: With dead ends: 1230 [2023-11-06 22:28:13,723 INFO L226 Difference]: Without dead ends: 1094 [2023-11-06 22:28:13,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:28:13,725 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 2149 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:13,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 1505 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:13,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-06 22:28:13,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 541. [2023-11-06 22:28:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.380952380952381) internal successors, (725), 540 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 725 transitions. [2023-11-06 22:28:13,846 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 725 transitions. Word has length 78 [2023-11-06 22:28:13,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:13,846 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 725 transitions. [2023-11-06 22:28:13,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 725 transitions. [2023-11-06 22:28:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:28:13,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:13,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:13,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:28:13,849 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:13,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:13,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1207054515, now seen corresponding path program 1 times [2023-11-06 22:28:13,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:13,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371329244] [2023-11-06 22:28:13,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:13,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:14,236 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 22:28:14,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:14,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371329244] [2023-11-06 22:28:14,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371329244] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:14,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:14,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:14,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546726429] [2023-11-06 22:28:14,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:14,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:14,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:14,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:14,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:14,240 INFO L87 Difference]: Start difference. First operand 541 states and 725 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:15,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:15,592 INFO L93 Difference]: Finished difference Result 1226 states and 1697 transitions. [2023-11-06 22:28:15,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:15,593 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:28:15,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:15,600 INFO L225 Difference]: With dead ends: 1226 [2023-11-06 22:28:15,600 INFO L226 Difference]: Without dead ends: 1094 [2023-11-06 22:28:15,601 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 22:28:15,602 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 2200 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:15,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 1483 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:15,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-06 22:28:15,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 541. [2023-11-06 22:28:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.379047619047619) internal successors, (724), 540 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 724 transitions. [2023-11-06 22:28:15,757 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 724 transitions. Word has length 78 [2023-11-06 22:28:15,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:15,758 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 724 transitions. [2023-11-06 22:28:15,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 724 transitions. [2023-11-06 22:28:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:28:15,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:15,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:15,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:28:15,760 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:15,761 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:15,761 INFO L85 PathProgramCache]: Analyzing trace with hash 424802567, now seen corresponding path program 1 times [2023-11-06 22:28:15,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:15,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203185906] [2023-11-06 22:28:15,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:15,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:16,098 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 22:28:16,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:16,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203185906] [2023-11-06 22:28:16,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203185906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:16,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:16,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:16,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182967960] [2023-11-06 22:28:16,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:16,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:16,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:16,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:16,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:16,101 INFO L87 Difference]: Start difference. First operand 541 states and 724 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:17,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:17,544 INFO L93 Difference]: Finished difference Result 1267 states and 1757 transitions. [2023-11-06 22:28:17,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:17,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:28:17,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:17,551 INFO L225 Difference]: With dead ends: 1267 [2023-11-06 22:28:17,551 INFO L226 Difference]: Without dead ends: 1118 [2023-11-06 22:28:17,552 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 22:28:17,553 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 2858 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:17,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2858 Valid, 1587 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:17,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-11-06 22:28:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 541. [2023-11-06 22:28:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3771428571428572) internal successors, (723), 540 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:17,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 723 transitions. [2023-11-06 22:28:17,683 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 723 transitions. Word has length 78 [2023-11-06 22:28:17,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:17,683 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 723 transitions. [2023-11-06 22:28:17,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 723 transitions. [2023-11-06 22:28:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:28:17,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:17,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:17,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:28:17,686 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:17,688 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:17,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1808320783, now seen corresponding path program 1 times [2023-11-06 22:28:17,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:17,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470879978] [2023-11-06 22:28:17,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:17,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:18,279 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 22:28:18,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:18,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470879978] [2023-11-06 22:28:18,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470879978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:18,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:18,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:28:18,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217073971] [2023-11-06 22:28:18,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:18,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:28:18,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:18,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:28:18,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:28:18,281 INFO L87 Difference]: Start difference. First operand 541 states and 723 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:19,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:19,936 INFO L93 Difference]: Finished difference Result 1304 states and 1790 transitions. [2023-11-06 22:28:19,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:28:19,937 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:28:19,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:19,943 INFO L225 Difference]: With dead ends: 1304 [2023-11-06 22:28:19,944 INFO L226 Difference]: Without dead ends: 1156 [2023-11-06 22:28:19,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:28:19,946 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 3120 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3120 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:19,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3120 Valid, 1751 Invalid, 1381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:19,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2023-11-06 22:28:20,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 555. [2023-11-06 22:28:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3784786641929498) internal successors, (743), 554 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:20,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 743 transitions. [2023-11-06 22:28:20,140 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 743 transitions. Word has length 78 [2023-11-06 22:28:20,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:20,140 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 743 transitions. [2023-11-06 22:28:20,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 743 transitions. [2023-11-06 22:28:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:28:20,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:20,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:20,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:28:20,143 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:20,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:20,144 INFO L85 PathProgramCache]: Analyzing trace with hash 574449411, now seen corresponding path program 1 times [2023-11-06 22:28:20,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:20,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258494001] [2023-11-06 22:28:20,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:28:20,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:20,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258494001] [2023-11-06 22:28:20,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258494001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:20,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:20,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:28:20,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055211813] [2023-11-06 22:28:20,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:20,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:28:20,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:20,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:28:20,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:28:20,683 INFO L87 Difference]: Start difference. First operand 555 states and 743 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:22,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:22,249 INFO L93 Difference]: Finished difference Result 1174 states and 1630 transitions. [2023-11-06 22:28:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:28:22,249 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:28:22,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:22,254 INFO L225 Difference]: With dead ends: 1174 [2023-11-06 22:28:22,254 INFO L226 Difference]: Without dead ends: 920 [2023-11-06 22:28:22,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:28:22,256 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 2905 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:22,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 1863 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:22,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2023-11-06 22:28:22,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 541. [2023-11-06 22:28:22,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3733333333333333) internal successors, (721), 540 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 721 transitions. [2023-11-06 22:28:22,403 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 721 transitions. Word has length 78 [2023-11-06 22:28:22,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:22,403 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 721 transitions. [2023-11-06 22:28:22,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:22,404 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 721 transitions. [2023-11-06 22:28:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:28:22,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:22,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:22,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:28:22,406 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:22,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:22,406 INFO L85 PathProgramCache]: Analyzing trace with hash 688086315, now seen corresponding path program 1 times [2023-11-06 22:28:22,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:22,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120232431] [2023-11-06 22:28:22,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:22,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:28:22,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:22,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120232431] [2023-11-06 22:28:22,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120232431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:22,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:22,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:22,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800784958] [2023-11-06 22:28:22,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:22,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:22,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:22,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:22,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:22,774 INFO L87 Difference]: Start difference. First operand 541 states and 721 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:24,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:24,194 INFO L93 Difference]: Finished difference Result 1236 states and 1705 transitions. [2023-11-06 22:28:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:24,194 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:28:24,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:24,200 INFO L225 Difference]: With dead ends: 1236 [2023-11-06 22:28:24,201 INFO L226 Difference]: Without dead ends: 1094 [2023-11-06 22:28:24,202 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 22:28:24,202 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 2773 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2773 SdHoareTripleChecker+Valid, 1575 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:24,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2773 Valid, 1575 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:24,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-06 22:28:24,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 541. [2023-11-06 22:28:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3695238095238096) internal successors, (719), 540 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:24,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 719 transitions. [2023-11-06 22:28:24,358 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 719 transitions. Word has length 78 [2023-11-06 22:28:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:24,359 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 719 transitions. [2023-11-06 22:28:24,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 719 transitions. [2023-11-06 22:28:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:28:24,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:24,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:24,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:28:24,361 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:24,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:24,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1096931543, now seen corresponding path program 1 times [2023-11-06 22:28:24,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:24,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147131572] [2023-11-06 22:28:24,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:24,665 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 22:28:24,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:24,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147131572] [2023-11-06 22:28:24,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147131572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:24,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:24,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:24,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095866633] [2023-11-06 22:28:24,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:24,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:24,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:24,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:24,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:24,668 INFO L87 Difference]: Start difference. First operand 541 states and 719 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:26,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:26,212 INFO L93 Difference]: Finished difference Result 1286 states and 1776 transitions. [2023-11-06 22:28:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:26,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:28:26,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:26,218 INFO L225 Difference]: With dead ends: 1286 [2023-11-06 22:28:26,219 INFO L226 Difference]: Without dead ends: 1118 [2023-11-06 22:28:26,220 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 22:28:26,220 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 1784 mSDsluCounter, 1522 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:26,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 2011 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:26,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-11-06 22:28:26,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 541. [2023-11-06 22:28:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3657142857142857) internal successors, (717), 540 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 717 transitions. [2023-11-06 22:28:26,384 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 717 transitions. Word has length 78 [2023-11-06 22:28:26,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:26,385 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 717 transitions. [2023-11-06 22:28:26,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 717 transitions. [2023-11-06 22:28:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:26,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:26,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:26,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:28:26,387 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:26,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:26,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1780834374, now seen corresponding path program 1 times [2023-11-06 22:28:26,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:26,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418617561] [2023-11-06 22:28:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:26,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:26,739 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 22:28:26,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:26,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418617561] [2023-11-06 22:28:26,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418617561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:26,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:26,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:26,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726740360] [2023-11-06 22:28:26,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:26,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:26,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:26,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:26,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:26,743 INFO L87 Difference]: Start difference. First operand 541 states and 717 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:28,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:28,414 INFO L93 Difference]: Finished difference Result 1196 states and 1639 transitions. [2023-11-06 22:28:28,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:28,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:28,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:28,420 INFO L225 Difference]: With dead ends: 1196 [2023-11-06 22:28:28,421 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:28,422 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 22:28:28,422 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 2326 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 2032 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:28,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 2032 Invalid, 1594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:28:28,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:28,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3638095238095238) internal successors, (716), 540 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 716 transitions. [2023-11-06 22:28:28,619 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 716 transitions. Word has length 80 [2023-11-06 22:28:28,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:28,620 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 716 transitions. [2023-11-06 22:28:28,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 716 transitions. [2023-11-06 22:28:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:28,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:28,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:28,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:28:28,622 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:28,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:28,623 INFO L85 PathProgramCache]: Analyzing trace with hash 515089470, now seen corresponding path program 1 times [2023-11-06 22:28:28,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:28,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788215168] [2023-11-06 22:28:28,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:28,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:28,907 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 22:28:28,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:28,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788215168] [2023-11-06 22:28:28,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788215168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:28,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:28,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:28,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729161964] [2023-11-06 22:28:28,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:28,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:28,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:28,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:28,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:28,909 INFO L87 Difference]: Start difference. First operand 541 states and 716 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:30,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:30,523 INFO L93 Difference]: Finished difference Result 1199 states and 1641 transitions. [2023-11-06 22:28:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:30,526 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:30,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:30,532 INFO L225 Difference]: With dead ends: 1199 [2023-11-06 22:28:30,532 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:30,533 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 22:28:30,533 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2005 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:30,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 1605 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:30,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.361904761904762) internal successors, (715), 540 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 715 transitions. [2023-11-06 22:28:30,661 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 715 transitions. Word has length 80 [2023-11-06 22:28:30,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:30,662 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 715 transitions. [2023-11-06 22:28:30,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 715 transitions. [2023-11-06 22:28:30,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:30,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:30,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:30,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:28:30,664 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:30,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:30,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1270226045, now seen corresponding path program 1 times [2023-11-06 22:28:30,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:30,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715723854] [2023-11-06 22:28:30,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:30,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:30,982 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 22:28:30,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:30,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715723854] [2023-11-06 22:28:30,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715723854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:30,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:30,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:30,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411952723] [2023-11-06 22:28:30,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:30,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:30,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:30,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:30,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:30,986 INFO L87 Difference]: Start difference. First operand 541 states and 715 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:32,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:32,587 INFO L93 Difference]: Finished difference Result 1199 states and 1639 transitions. [2023-11-06 22:28:32,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:32,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:32,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:32,593 INFO L225 Difference]: With dead ends: 1199 [2023-11-06 22:28:32,593 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:32,594 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 22:28:32,595 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 2399 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:32,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 1866 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1422 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:32,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:32,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.36) internal successors, (714), 540 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:32,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 714 transitions. [2023-11-06 22:28:32,759 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 714 transitions. Word has length 80 [2023-11-06 22:28:32,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:32,759 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 714 transitions. [2023-11-06 22:28:32,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 714 transitions. [2023-11-06 22:28:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:32,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:32,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:32,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 22:28:32,762 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:32,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:32,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1112544149, now seen corresponding path program 1 times [2023-11-06 22:28:32,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:32,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995600626] [2023-11-06 22:28:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:32,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:33,047 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 22:28:33,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:33,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995600626] [2023-11-06 22:28:33,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995600626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:33,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:33,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:33,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748742065] [2023-11-06 22:28:33,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:33,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:33,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:33,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:33,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:33,052 INFO L87 Difference]: Start difference. First operand 541 states and 714 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:34,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:34,682 INFO L93 Difference]: Finished difference Result 1235 states and 1693 transitions. [2023-11-06 22:28:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:34,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:34,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:34,688 INFO L225 Difference]: With dead ends: 1235 [2023-11-06 22:28:34,688 INFO L226 Difference]: Without dead ends: 1094 [2023-11-06 22:28:34,689 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 22:28:34,690 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 1752 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:34,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 1944 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:34,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-06 22:28:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 541. [2023-11-06 22:28:34,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.358095238095238) internal successors, (713), 540 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 713 transitions. [2023-11-06 22:28:34,862 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 713 transitions. Word has length 80 [2023-11-06 22:28:34,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:34,863 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 713 transitions. [2023-11-06 22:28:34,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 713 transitions. [2023-11-06 22:28:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:34,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:34,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:34,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:28:34,865 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:34,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:34,866 INFO L85 PathProgramCache]: Analyzing trace with hash -955374417, now seen corresponding path program 1 times [2023-11-06 22:28:34,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:34,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128633390] [2023-11-06 22:28:34,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:34,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:35,198 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 22:28:35,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:35,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128633390] [2023-11-06 22:28:35,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128633390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:35,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:35,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:35,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312685197] [2023-11-06 22:28:35,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:35,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:35,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:35,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:35,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:35,203 INFO L87 Difference]: Start difference. First operand 541 states and 713 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:37,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:37,007 INFO L93 Difference]: Finished difference Result 1196 states and 1634 transitions. [2023-11-06 22:28:37,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:37,008 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:37,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:37,014 INFO L225 Difference]: With dead ends: 1196 [2023-11-06 22:28:37,014 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:37,015 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 22:28:37,015 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 2285 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2285 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:37,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2285 Valid, 2104 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:28:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:37,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:37,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3561904761904762) internal successors, (712), 540 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 712 transitions. [2023-11-06 22:28:37,210 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 712 transitions. Word has length 80 [2023-11-06 22:28:37,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:37,210 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 712 transitions. [2023-11-06 22:28:37,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 712 transitions. [2023-11-06 22:28:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:37,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:37,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:37,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:28:37,213 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:37,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:37,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2073965149, now seen corresponding path program 1 times [2023-11-06 22:28:37,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:37,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411106616] [2023-11-06 22:28:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:37,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:37,507 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 22:28:37,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:37,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411106616] [2023-11-06 22:28:37,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411106616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:37,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:37,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:37,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891946762] [2023-11-06 22:28:37,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:37,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:37,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:37,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:37,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:37,510 INFO L87 Difference]: Start difference. First operand 541 states and 712 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:39,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:39,203 INFO L93 Difference]: Finished difference Result 1075 states and 1451 transitions. [2023-11-06 22:28:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:39,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:39,213 INFO L225 Difference]: With dead ends: 1075 [2023-11-06 22:28:39,213 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:39,214 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 22:28:39,214 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 1789 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:39,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 1825 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:39,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:39,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3542857142857143) internal successors, (711), 540 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 711 transitions. [2023-11-06 22:28:39,375 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 711 transitions. Word has length 80 [2023-11-06 22:28:39,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:39,375 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 711 transitions. [2023-11-06 22:28:39,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 711 transitions. [2023-11-06 22:28:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:39,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:39,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:39,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:28:39,378 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:39,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:39,379 INFO L85 PathProgramCache]: Analyzing trace with hash -306680341, now seen corresponding path program 1 times [2023-11-06 22:28:39,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:39,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869179845] [2023-11-06 22:28:39,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:39,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:39,635 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 22:28:39,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:39,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869179845] [2023-11-06 22:28:39,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869179845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:39,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:39,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:39,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868425660] [2023-11-06 22:28:39,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:39,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:39,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:39,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:39,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:39,638 INFO L87 Difference]: Start difference. First operand 541 states and 711 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:41,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:41,214 INFO L93 Difference]: Finished difference Result 1196 states and 1631 transitions. [2023-11-06 22:28:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:41,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:41,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:41,221 INFO L225 Difference]: With dead ends: 1196 [2023-11-06 22:28:41,221 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:41,222 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 22:28:41,223 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 1337 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:41,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 1656 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:41,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:41,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3523809523809525) internal successors, (710), 540 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:41,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 710 transitions. [2023-11-06 22:28:41,411 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 710 transitions. Word has length 80 [2023-11-06 22:28:41,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:41,412 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 710 transitions. [2023-11-06 22:28:41,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:41,412 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 710 transitions. [2023-11-06 22:28:41,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:41,413 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:41,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:41,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:28:41,414 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:41,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:41,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1961273491, now seen corresponding path program 1 times [2023-11-06 22:28:41,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:41,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849183246] [2023-11-06 22:28:41,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:41,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:41,705 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 22:28:41,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:41,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849183246] [2023-11-06 22:28:41,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849183246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:41,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:41,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:41,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940184403] [2023-11-06 22:28:41,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:41,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:41,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:41,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:41,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:41,708 INFO L87 Difference]: Start difference. First operand 541 states and 710 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:43,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:43,379 INFO L93 Difference]: Finished difference Result 1194 states and 1627 transitions. [2023-11-06 22:28:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:43,379 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:43,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:43,385 INFO L225 Difference]: With dead ends: 1194 [2023-11-06 22:28:43,385 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:43,386 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 22:28:43,387 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 2358 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2358 SdHoareTripleChecker+Valid, 1919 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:43,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2358 Valid, 1919 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:43,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:43,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3504761904761904) internal successors, (709), 540 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 709 transitions. [2023-11-06 22:28:43,608 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 709 transitions. Word has length 80 [2023-11-06 22:28:43,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:43,608 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 709 transitions. [2023-11-06 22:28:43,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 709 transitions. [2023-11-06 22:28:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:43,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:43,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:43,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:28:43,610 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:43,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:43,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1780916949, now seen corresponding path program 1 times [2023-11-06 22:28:43,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:43,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966970162] [2023-11-06 22:28:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:43,871 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 22:28:43,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:43,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966970162] [2023-11-06 22:28:43,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966970162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:43,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:43,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:43,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945302878] [2023-11-06 22:28:43,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:43,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:43,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:43,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:43,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:43,874 INFO L87 Difference]: Start difference. First operand 541 states and 709 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:45,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:45,444 INFO L93 Difference]: Finished difference Result 1242 states and 1696 transitions. [2023-11-06 22:28:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:45,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:45,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:45,449 INFO L225 Difference]: With dead ends: 1242 [2023-11-06 22:28:45,449 INFO L226 Difference]: Without dead ends: 1094 [2023-11-06 22:28:45,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:28:45,451 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 2277 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:45,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 1566 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:28:45,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-06 22:28:45,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 541. [2023-11-06 22:28:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3466666666666667) internal successors, (707), 540 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:45,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 707 transitions. [2023-11-06 22:28:45,664 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 707 transitions. Word has length 80 [2023-11-06 22:28:45,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:45,665 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 707 transitions. [2023-11-06 22:28:45,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:45,665 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 707 transitions. [2023-11-06 22:28:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:45,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:45,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:45,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:28:45,667 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:45,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:45,668 INFO L85 PathProgramCache]: Analyzing trace with hash 601853245, now seen corresponding path program 1 times [2023-11-06 22:28:45,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:45,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319499782] [2023-11-06 22:28:45,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:45,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:45,957 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 22:28:45,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:45,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319499782] [2023-11-06 22:28:45,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319499782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:45,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:45,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:45,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016866834] [2023-11-06 22:28:45,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:45,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:45,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:45,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:45,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:45,961 INFO L87 Difference]: Start difference. First operand 541 states and 707 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:47,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:47,632 INFO L93 Difference]: Finished difference Result 1202 states and 1633 transitions. [2023-11-06 22:28:47,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:47,633 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:47,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:47,639 INFO L225 Difference]: With dead ends: 1202 [2023-11-06 22:28:47,639 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:47,640 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 22:28:47,641 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2329 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 1970 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:47,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 1970 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:28:47,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:47,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3428571428571427) internal successors, (705), 540 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 705 transitions. [2023-11-06 22:28:47,854 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 705 transitions. Word has length 80 [2023-11-06 22:28:47,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:47,855 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 705 transitions. [2023-11-06 22:28:47,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 705 transitions. [2023-11-06 22:28:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:47,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:47,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:47,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:28:47,857 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:47,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:47,858 INFO L85 PathProgramCache]: Analyzing trace with hash -953833721, now seen corresponding path program 1 times [2023-11-06 22:28:47,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:47,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309019588] [2023-11-06 22:28:47,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:47,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:48,116 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 22:28:48,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:48,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309019588] [2023-11-06 22:28:48,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309019588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:48,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:48,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:48,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433745689] [2023-11-06 22:28:48,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:48,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:48,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:48,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:48,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:48,119 INFO L87 Difference]: Start difference. First operand 541 states and 705 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:49,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:49,806 INFO L93 Difference]: Finished difference Result 1306 states and 1779 transitions. [2023-11-06 22:28:49,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:49,807 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:49,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:49,812 INFO L225 Difference]: With dead ends: 1306 [2023-11-06 22:28:49,813 INFO L226 Difference]: Without dead ends: 1118 [2023-11-06 22:28:49,814 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 22:28:49,814 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 1273 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:49,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 1908 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:49,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-11-06 22:28:49,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 541. [2023-11-06 22:28:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.339047619047619) internal successors, (703), 540 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:49,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 703 transitions. [2023-11-06 22:28:49,999 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 703 transitions. Word has length 80 [2023-11-06 22:28:49,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:49,999 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 703 transitions. [2023-11-06 22:28:50,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 703 transitions. [2023-11-06 22:28:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:50,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:50,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:50,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:28:50,002 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:50,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:50,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1702835234, now seen corresponding path program 1 times [2023-11-06 22:28:50,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:50,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34602356] [2023-11-06 22:28:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:50,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:50,302 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 22:28:50,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:50,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34602356] [2023-11-06 22:28:50,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34602356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:50,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:50,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153207612] [2023-11-06 22:28:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:50,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:50,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:50,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:50,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:50,305 INFO L87 Difference]: Start difference. First operand 541 states and 703 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:51,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:51,980 INFO L93 Difference]: Finished difference Result 1075 states and 1440 transitions. [2023-11-06 22:28:51,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:51,981 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:51,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:51,985 INFO L225 Difference]: With dead ends: 1075 [2023-11-06 22:28:51,985 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:51,986 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 22:28:51,987 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2319 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:51,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2319 Valid, 1971 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:51,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3352380952380953) internal successors, (701), 540 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 701 transitions. [2023-11-06 22:28:52,179 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 701 transitions. Word has length 80 [2023-11-06 22:28:52,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:52,180 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 701 transitions. [2023-11-06 22:28:52,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 701 transitions. [2023-11-06 22:28:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:52,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:52,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:52,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-06 22:28:52,182 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:52,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:52,182 INFO L85 PathProgramCache]: Analyzing trace with hash 209361868, now seen corresponding path program 1 times [2023-11-06 22:28:52,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:52,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403097537] [2023-11-06 22:28:52,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:52,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:52,416 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 22:28:52,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:52,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403097537] [2023-11-06 22:28:52,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403097537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:52,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:52,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:52,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759877214] [2023-11-06 22:28:52,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:52,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:52,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:52,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:52,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:52,419 INFO L87 Difference]: Start difference. First operand 541 states and 701 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:54,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:54,076 INFO L93 Difference]: Finished difference Result 1111 states and 1490 transitions. [2023-11-06 22:28:54,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:54,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:54,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:54,080 INFO L225 Difference]: With dead ends: 1111 [2023-11-06 22:28:54,080 INFO L226 Difference]: Without dead ends: 1094 [2023-11-06 22:28:54,080 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 22:28:54,081 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 1221 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:54,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1942 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:54,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-06 22:28:54,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 541. [2023-11-06 22:28:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3314285714285714) internal successors, (699), 540 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 699 transitions. [2023-11-06 22:28:54,260 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 699 transitions. Word has length 80 [2023-11-06 22:28:54,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:54,261 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 699 transitions. [2023-11-06 22:28:54,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 699 transitions. [2023-11-06 22:28:54,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:54,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:54,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:54,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-06 22:28:54,262 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:54,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:54,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1191963760, now seen corresponding path program 1 times [2023-11-06 22:28:54,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:54,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600914163] [2023-11-06 22:28:54,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:54,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:54,543 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 22:28:54,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:54,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600914163] [2023-11-06 22:28:54,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600914163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:54,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:54,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:28:54,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237261718] [2023-11-06 22:28:54,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:54,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:28:54,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:54,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:28:54,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:28:54,546 INFO L87 Difference]: Start difference. First operand 541 states and 699 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:56,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:56,269 INFO L93 Difference]: Finished difference Result 1198 states and 1620 transitions. [2023-11-06 22:28:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:56,270 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:28:56,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:56,273 INFO L225 Difference]: With dead ends: 1198 [2023-11-06 22:28:56,273 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:28:56,274 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 22:28:56,275 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 2287 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:56,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 2026 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:56,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:28:56,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:28:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3276190476190477) internal successors, (697), 540 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 697 transitions. [2023-11-06 22:28:56,475 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 697 transitions. Word has length 80 [2023-11-06 22:28:56,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:56,476 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 697 transitions. [2023-11-06 22:28:56,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:28:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 697 transitions. [2023-11-06 22:28:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:28:56,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:56,477 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] [2023-11-06 22:28:56,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-06 22:28:56,478 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:28:56,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:56,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1836995487, now seen corresponding path program 1 times [2023-11-06 22:28:56,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:56,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191392117] [2023-11-06 22:28:56,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:56,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:56,937 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 22:28:56,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:56,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191392117] [2023-11-06 22:28:56,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191392117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:56,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:56,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:28:56,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258582314] [2023-11-06 22:28:56,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:56,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:28:56,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:56,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:28:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:28:56,943 INFO L87 Difference]: Start difference. First operand 541 states and 697 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:00,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:00,202 INFO L93 Difference]: Finished difference Result 1712 states and 2358 transitions. [2023-11-06 22:29:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:29:00,206 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-06 22:29:00,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:00,210 INFO L225 Difference]: With dead ends: 1712 [2023-11-06 22:29:00,210 INFO L226 Difference]: Without dead ends: 1707 [2023-11-06 22:29:00,211 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 22:29:00,212 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 4832 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4832 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:00,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4832 Valid, 2204 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:29:00,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2023-11-06 22:29:00,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 549. [2023-11-06 22:29:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 533 states have (on average 1.322701688555347) internal successors, (705), 548 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:00,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 705 transitions. [2023-11-06 22:29:00,483 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 705 transitions. Word has length 80 [2023-11-06 22:29:00,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:00,484 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 705 transitions. [2023-11-06 22:29:00,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:00,484 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 705 transitions. [2023-11-06 22:29:00,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:29:00,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:00,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:00,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-06 22:29:00,486 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:00,487 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash 846117342, now seen corresponding path program 1 times [2023-11-06 22:29:00,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:00,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634908102] [2023-11-06 22:29:00,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:29:00,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:00,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634908102] [2023-11-06 22:29:00,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634908102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:00,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:00,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:29:00,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001023388] [2023-11-06 22:29:00,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:00,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:29:00,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:00,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:29:00,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:29:00,752 INFO L87 Difference]: Start difference. First operand 549 states and 705 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:02,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:02,536 INFO L93 Difference]: Finished difference Result 1075 states and 1432 transitions. [2023-11-06 22:29:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:29:02,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:29:02,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:02,539 INFO L225 Difference]: With dead ends: 1075 [2023-11-06 22:29:02,539 INFO L226 Difference]: Without dead ends: 1070 [2023-11-06 22:29:02,539 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 22:29:02,540 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 1841 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:02,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 1763 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:29:02,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-11-06 22:29:02,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 541. [2023-11-06 22:29:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3238095238095238) internal successors, (695), 540 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 695 transitions. [2023-11-06 22:29:02,805 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 695 transitions. Word has length 81 [2023-11-06 22:29:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:02,806 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 695 transitions. [2023-11-06 22:29:02,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 695 transitions. [2023-11-06 22:29:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:29:02,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:02,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:02,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-06 22:29:02,808 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:02,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1125287833, now seen corresponding path program 1 times [2023-11-06 22:29:02,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:02,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553056330] [2023-11-06 22:29:02,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:02,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:03,400 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 22:29:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:03,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553056330] [2023-11-06 22:29:03,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553056330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:03,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:03,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:29:03,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268150033] [2023-11-06 22:29:03,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:03,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:29:03,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:03,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:29:03,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:29:03,403 INFO L87 Difference]: Start difference. First operand 541 states and 695 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:05,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:05,066 INFO L93 Difference]: Finished difference Result 1199 states and 1576 transitions. [2023-11-06 22:29:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:29:05,067 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:29:05,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:05,069 INFO L225 Difference]: With dead ends: 1199 [2023-11-06 22:29:05,069 INFO L226 Difference]: Without dead ends: 958 [2023-11-06 22:29:05,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:29:05,070 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 1695 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:05,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 2891 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:29:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-11-06 22:29:05,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 424. [2023-11-06 22:29:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 413 states have (on average 1.3268765133171914) internal successors, (548), 423 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 548 transitions. [2023-11-06 22:29:05,297 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 548 transitions. Word has length 82 [2023-11-06 22:29:05,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:05,297 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 548 transitions. [2023-11-06 22:29:05,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 548 transitions. [2023-11-06 22:29:05,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:29:05,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:05,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:05,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-06 22:29:05,299 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:05,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:05,299 INFO L85 PathProgramCache]: Analyzing trace with hash 996849594, now seen corresponding path program 1 times [2023-11-06 22:29:05,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:05,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46810601] [2023-11-06 22:29:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:05,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:06,018 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 22:29:06,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:06,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46810601] [2023-11-06 22:29:06,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46810601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:06,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:06,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:29:06,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771580874] [2023-11-06 22:29:06,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:06,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:29:06,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:06,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:29:06,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:29:06,021 INFO L87 Difference]: Start difference. First operand 424 states and 548 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:07,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:07,917 INFO L93 Difference]: Finished difference Result 1126 states and 1495 transitions. [2023-11-06 22:29:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:29:07,917 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:29:07,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:07,919 INFO L225 Difference]: With dead ends: 1126 [2023-11-06 22:29:07,919 INFO L226 Difference]: Without dead ends: 996 [2023-11-06 22:29:07,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:29:07,920 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 1546 mSDsluCounter, 2579 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:07,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 2974 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:29:07,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2023-11-06 22:29:08,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 412. [2023-11-06 22:29:08,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 402 states have (on average 1.3208955223880596) internal successors, (531), 411 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 531 transitions. [2023-11-06 22:29:08,209 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 531 transitions. Word has length 82 [2023-11-06 22:29:08,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:08,209 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 531 transitions. [2023-11-06 22:29:08,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 531 transitions. [2023-11-06 22:29:08,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:29:08,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:08,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:08,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-06 22:29:08,211 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:08,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:08,211 INFO L85 PathProgramCache]: Analyzing trace with hash -783667554, now seen corresponding path program 1 times [2023-11-06 22:29:08,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:08,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79542451] [2023-11-06 22:29:08,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:08,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:10,120 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 22:29:10,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:10,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79542451] [2023-11-06 22:29:10,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79542451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:10,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:10,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-06 22:29:10,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560412167] [2023-11-06 22:29:10,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:10,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-06 22:29:10,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:10,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-06 22:29:10,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:29:10,122 INFO L87 Difference]: Start difference. First operand 412 states and 531 transitions. Second operand has 26 states, 26 states have (on average 3.1538461538461537) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:14,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:14,405 INFO L93 Difference]: Finished difference Result 699 states and 944 transitions. [2023-11-06 22:29:14,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-06 22:29:14,406 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.1538461538461537) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:29:14,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:14,407 INFO L225 Difference]: With dead ends: 699 [2023-11-06 22:29:14,407 INFO L226 Difference]: Without dead ends: 568 [2023-11-06 22:29:14,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=366, Invalid=1986, Unknown=0, NotChecked=0, Total=2352 [2023-11-06 22:29:14,410 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 848 mSDsluCounter, 4997 mSDsCounter, 0 mSdLazyCounter, 2740 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 5355 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:14,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 5355 Invalid, 2764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2740 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:29:14,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2023-11-06 22:29:14,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 426. [2023-11-06 22:29:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 416 states have (on average 1.3197115384615385) internal successors, (549), 425 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 549 transitions. [2023-11-06 22:29:14,676 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 549 transitions. Word has length 82 [2023-11-06 22:29:14,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:14,676 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 549 transitions. [2023-11-06 22:29:14,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.1538461538461537) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:14,677 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 549 transitions. [2023-11-06 22:29:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:29:14,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:14,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:14,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-06 22:29:14,678 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:14,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:14,679 INFO L85 PathProgramCache]: Analyzing trace with hash 504555190, now seen corresponding path program 1 times [2023-11-06 22:29:14,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:14,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855262113] [2023-11-06 22:29:14,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:14,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:15,363 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 22:29:15,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:15,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855262113] [2023-11-06 22:29:15,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855262113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:15,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:15,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:29:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904416930] [2023-11-06 22:29:15,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:15,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:29:15,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:15,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:29:15,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:29:15,365 INFO L87 Difference]: Start difference. First operand 426 states and 549 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:17,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:17,610 INFO L93 Difference]: Finished difference Result 1115 states and 1480 transitions. [2023-11-06 22:29:17,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:29:17,610 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:29:17,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:17,612 INFO L225 Difference]: With dead ends: 1115 [2023-11-06 22:29:17,612 INFO L226 Difference]: Without dead ends: 985 [2023-11-06 22:29:17,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:29:17,614 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 1601 mSDsluCounter, 2292 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:17,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 2614 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:29:17,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2023-11-06 22:29:17,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 416. [2023-11-06 22:29:17,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 407 states have (on average 1.3120393120393121) internal successors, (534), 415 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:17,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 534 transitions. [2023-11-06 22:29:17,867 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 534 transitions. Word has length 82 [2023-11-06 22:29:17,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:17,868 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 534 transitions. [2023-11-06 22:29:17,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:17,868 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 534 transitions. [2023-11-06 22:29:17,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:29:17,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:17,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:29:17,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-06 22:29:17,870 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:17,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:17,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1900616581, now seen corresponding path program 1 times [2023-11-06 22:29:17,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:17,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962589330] [2023-11-06 22:29:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:29:18,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:18,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962589330] [2023-11-06 22:29:18,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962589330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:18,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:18,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:29:18,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940143436] [2023-11-06 22:29:18,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:18,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:29:18,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:18,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:29:18,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:29:18,431 INFO L87 Difference]: Start difference. First operand 416 states and 534 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:19,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:19,678 INFO L93 Difference]: Finished difference Result 759 states and 1017 transitions. [2023-11-06 22:29:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:29:19,679 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:29:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:19,680 INFO L225 Difference]: With dead ends: 759 [2023-11-06 22:29:19,680 INFO L226 Difference]: Without dead ends: 539 [2023-11-06 22:29:19,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:29:19,681 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 947 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:19,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 2040 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:29:19,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2023-11-06 22:29:19,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 320. [2023-11-06 22:29:19,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 315 states have (on average 1.3111111111111111) internal successors, (413), 319 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 413 transitions. [2023-11-06 22:29:19,928 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 413 transitions. Word has length 82 [2023-11-06 22:29:19,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:19,929 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 413 transitions. [2023-11-06 22:29:19,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 413 transitions. [2023-11-06 22:29:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:29:19,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:19,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:29:19,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-06 22:29:19,930 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:19,930 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:19,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1282477232, now seen corresponding path program 1 times [2023-11-06 22:29:19,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:19,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893349278] [2023-11-06 22:29:19,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:19,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:29:20,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:20,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893349278] [2023-11-06 22:29:20,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893349278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:20,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:20,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:29:20,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948635982] [2023-11-06 22:29:20,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:20,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:29:20,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:20,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:29:20,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:29:20,528 INFO L87 Difference]: Start difference. First operand 320 states and 413 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:22,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:22,305 INFO L93 Difference]: Finished difference Result 950 states and 1306 transitions. [2023-11-06 22:29:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:29:22,306 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-06 22:29:22,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:22,307 INFO L225 Difference]: With dead ends: 950 [2023-11-06 22:29:22,308 INFO L226 Difference]: Without dead ends: 802 [2023-11-06 22:29:22,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:29:22,309 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 992 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:22,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [992 Valid, 2462 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:29:22,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2023-11-06 22:29:22,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 282. [2023-11-06 22:29:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 278 states have (on average 1.3057553956834533) internal successors, (363), 281 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 363 transitions. [2023-11-06 22:29:22,671 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 363 transitions. Word has length 83 [2023-11-06 22:29:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:22,672 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 363 transitions. [2023-11-06 22:29:22,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 363 transitions. [2023-11-06 22:29:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:29:22,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:22,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:22,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-06 22:29:22,673 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:22,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:22,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1553077216, now seen corresponding path program 1 times [2023-11-06 22:29:22,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:22,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287037837] [2023-11-06 22:29:22,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:22,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:23,165 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 22:29:23,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:23,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287037837] [2023-11-06 22:29:23,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287037837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:23,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:23,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:29:23,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193567064] [2023-11-06 22:29:23,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:23,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:29:23,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:23,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:29:23,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:29:23,169 INFO L87 Difference]: Start difference. First operand 282 states and 363 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:25,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:25,367 INFO L93 Difference]: Finished difference Result 786 states and 1075 transitions. [2023-11-06 22:29:25,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:29:25,368 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-06 22:29:25,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:25,369 INFO L225 Difference]: With dead ends: 786 [2023-11-06 22:29:25,370 INFO L226 Difference]: Without dead ends: 779 [2023-11-06 22:29:25,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2023-11-06 22:29:25,371 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 3098 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:25,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 680 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:29:25,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-11-06 22:29:25,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 286. [2023-11-06 22:29:25,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 282 states have (on average 1.301418439716312) internal successors, (367), 285 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:25,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 367 transitions. [2023-11-06 22:29:25,740 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 367 transitions. Word has length 83 [2023-11-06 22:29:25,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:25,740 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 367 transitions. [2023-11-06 22:29:25,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:25,741 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 367 transitions. [2023-11-06 22:29:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:29:25,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:25,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:25,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-06 22:29:25,742 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:25,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:25,742 INFO L85 PathProgramCache]: Analyzing trace with hash -823147502, now seen corresponding path program 1 times [2023-11-06 22:29:25,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:25,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442457324] [2023-11-06 22:29:25,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:25,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:26,043 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 22:29:26,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:26,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442457324] [2023-11-06 22:29:26,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442457324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:26,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:26,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:29:26,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7312423] [2023-11-06 22:29:26,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:26,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:29:26,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:26,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:29:26,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:29:26,045 INFO L87 Difference]: Start difference. First operand 286 states and 367 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:27,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:27,105 INFO L93 Difference]: Finished difference Result 463 states and 608 transitions. [2023-11-06 22:29:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:29:27,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-06 22:29:27,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:27,107 INFO L225 Difference]: With dead ends: 463 [2023-11-06 22:29:27,107 INFO L226 Difference]: Without dead ends: 456 [2023-11-06 22:29:27,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:29:27,108 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 1053 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:27,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 730 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:29:27,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2023-11-06 22:29:27,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 286. [2023-11-06 22:29:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 282 states have (on average 1.297872340425532) internal successors, (366), 285 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 366 transitions. [2023-11-06 22:29:27,418 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 366 transitions. Word has length 83 [2023-11-06 22:29:27,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:27,418 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 366 transitions. [2023-11-06 22:29:27,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 366 transitions. [2023-11-06 22:29:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:29:27,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:27,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:29:27,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-06 22:29:27,420 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:27,420 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:27,420 INFO L85 PathProgramCache]: Analyzing trace with hash -892730834, now seen corresponding path program 1 times [2023-11-06 22:29:27,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:27,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375468399] [2023-11-06 22:29:27,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:27,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:27,650 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 22:29:27,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:27,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375468399] [2023-11-06 22:29:27,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375468399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:27,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:27,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:29:27,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57395594] [2023-11-06 22:29:27,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:27,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:29:27,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:27,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:29:27,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:29:27,653 INFO L87 Difference]: Start difference. First operand 286 states and 366 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:28,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:28,866 INFO L93 Difference]: Finished difference Result 624 states and 840 transitions. [2023-11-06 22:29:28,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:29:28,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-06 22:29:28,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:28,868 INFO L225 Difference]: With dead ends: 624 [2023-11-06 22:29:28,868 INFO L226 Difference]: Without dead ends: 470 [2023-11-06 22:29:28,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:29:28,870 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 606 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:28,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 718 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:29:28,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2023-11-06 22:29:29,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 286. [2023-11-06 22:29:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 282 states have (on average 1.2907801418439717) internal successors, (364), 285 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 364 transitions. [2023-11-06 22:29:29,156 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 364 transitions. Word has length 83 [2023-11-06 22:29:29,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:29,157 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 364 transitions. [2023-11-06 22:29:29,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 364 transitions. [2023-11-06 22:29:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:29:29,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:29,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:29:29,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-06 22:29:29,175 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:29,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:29,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1462020674, now seen corresponding path program 1 times [2023-11-06 22:29:29,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:29,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854372079] [2023-11-06 22:29:29,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:29,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:29,438 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 22:29:29,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:29,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854372079] [2023-11-06 22:29:29,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854372079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:29,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:29,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:29:29,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088947006] [2023-11-06 22:29:29,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:29,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:29:29,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:29,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:29:29,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:29:29,440 INFO L87 Difference]: Start difference. First operand 286 states and 364 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:30,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:30,611 INFO L93 Difference]: Finished difference Result 463 states and 605 transitions. [2023-11-06 22:29:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:29:30,612 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-11-06 22:29:30,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:30,613 INFO L225 Difference]: With dead ends: 463 [2023-11-06 22:29:30,613 INFO L226 Difference]: Without dead ends: 456 [2023-11-06 22:29:30,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:29:30,614 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 486 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:30,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 834 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:29:30,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2023-11-06 22:29:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 282. [2023-11-06 22:29:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 278 states have (on average 1.29136690647482) internal successors, (359), 281 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 359 transitions. [2023-11-06 22:29:30,871 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 359 transitions. Word has length 84 [2023-11-06 22:29:30,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:30,872 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 359 transitions. [2023-11-06 22:29:30,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 359 transitions. [2023-11-06 22:29:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 22:29:30,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:30,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:29:30,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-06 22:29:30,873 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:30,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:30,873 INFO L85 PathProgramCache]: Analyzing trace with hash -725351920, now seen corresponding path program 1 times [2023-11-06 22:29:30,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:30,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855578898] [2023-11-06 22:29:30,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:30,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:29:32,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:32,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855578898] [2023-11-06 22:29:32,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855578898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:32,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:32,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2023-11-06 22:29:32,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397993464] [2023-11-06 22:29:32,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:32,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-06 22:29:32,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:32,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-06 22:29:32,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:29:32,401 INFO L87 Difference]: Start difference. First operand 282 states and 359 transitions. Second operand has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:35,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:35,690 INFO L93 Difference]: Finished difference Result 323 states and 402 transitions. [2023-11-06 22:29:35,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-06 22:29:35,691 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-11-06 22:29:35,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:35,692 INFO L225 Difference]: With dead ends: 323 [2023-11-06 22:29:35,692 INFO L226 Difference]: Without dead ends: 315 [2023-11-06 22:29:35,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=396, Invalid=2054, Unknown=0, NotChecked=0, Total=2450 [2023-11-06 22:29:35,693 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 651 mSDsluCounter, 2978 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 3154 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:35,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 3154 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1815 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:29:35,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-11-06 22:29:36,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 296. [2023-11-06 22:29:36,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 292 states have (on average 1.2876712328767124) internal successors, (376), 295 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 376 transitions. [2023-11-06 22:29:36,075 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 376 transitions. Word has length 85 [2023-11-06 22:29:36,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:36,075 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 376 transitions. [2023-11-06 22:29:36,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 376 transitions. [2023-11-06 22:29:36,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 22:29:36,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:36,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:36,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-06 22:29:36,077 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:36,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:36,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1767300528, now seen corresponding path program 1 times [2023-11-06 22:29:36,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:36,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134027697] [2023-11-06 22:29:36,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:36,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:36,709 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 22:29:36,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:36,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134027697] [2023-11-06 22:29:36,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134027697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:36,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:36,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:29:36,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18993037] [2023-11-06 22:29:36,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:36,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:29:36,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:36,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:29:36,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:29:36,711 INFO L87 Difference]: Start difference. First operand 296 states and 376 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:39,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:39,689 INFO L93 Difference]: Finished difference Result 1280 states and 1783 transitions. [2023-11-06 22:29:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:29:39,689 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-11-06 22:29:39,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:39,691 INFO L225 Difference]: With dead ends: 1280 [2023-11-06 22:29:39,691 INFO L226 Difference]: Without dead ends: 1274 [2023-11-06 22:29:39,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:29:39,692 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 1774 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:39,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 3094 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:29:39,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2023-11-06 22:29:40,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 290. [2023-11-06 22:29:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 287 states have (on average 1.2857142857142858) internal successors, (369), 289 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 369 transitions. [2023-11-06 22:29:40,072 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 369 transitions. Word has length 85 [2023-11-06 22:29:40,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:40,073 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 369 transitions. [2023-11-06 22:29:40,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 369 transitions. [2023-11-06 22:29:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 22:29:40,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:40,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:40,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-06 22:29:40,074 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:40,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:40,074 INFO L85 PathProgramCache]: Analyzing trace with hash 645292930, now seen corresponding path program 1 times [2023-11-06 22:29:40,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:40,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113927466] [2023-11-06 22:29:40,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:40,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:41,867 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 22:29:41,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:41,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113927466] [2023-11-06 22:29:41,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113927466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:41,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:41,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-06 22:29:41,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896812743] [2023-11-06 22:29:41,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:41,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-06 22:29:41,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:41,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-06 22:29:41,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:29:41,872 INFO L87 Difference]: Start difference. First operand 290 states and 369 transitions. Second operand has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 26 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:45,253 INFO L93 Difference]: Finished difference Result 325 states and 405 transitions. [2023-11-06 22:29:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-06 22:29:45,254 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 26 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-11-06 22:29:45,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:45,254 INFO L225 Difference]: With dead ends: 325 [2023-11-06 22:29:45,254 INFO L226 Difference]: Without dead ends: 317 [2023-11-06 22:29:45,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=365, Invalid=1987, Unknown=0, NotChecked=0, Total=2352 [2023-11-06 22:29:45,256 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 563 mSDsluCounter, 2732 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:45,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 2905 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:29:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-11-06 22:29:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 299. [2023-11-06 22:29:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 296 states have (on average 1.2837837837837838) internal successors, (380), 298 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 380 transitions. [2023-11-06 22:29:45,544 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 380 transitions. Word has length 85 [2023-11-06 22:29:45,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:45,544 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 380 transitions. [2023-11-06 22:29:45,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.269230769230769) internal successors, (85), 26 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:45,544 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 380 transitions. [2023-11-06 22:29:45,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:29:45,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:45,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:45,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-06 22:29:45,545 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:45,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:45,546 INFO L85 PathProgramCache]: Analyzing trace with hash 617648830, now seen corresponding path program 1 times [2023-11-06 22:29:45,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:45,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132807391] [2023-11-06 22:29:45,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:45,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:47,066 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 22:29:47,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:47,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132807391] [2023-11-06 22:29:47,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132807391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:47,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:47,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-06 22:29:47,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246968782] [2023-11-06 22:29:47,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:47,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-06 22:29:47,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:47,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 22:29:47,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:29:47,069 INFO L87 Difference]: Start difference. First operand 299 states and 380 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 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 22:29:51,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:51,597 INFO L93 Difference]: Finished difference Result 860 states and 1143 transitions. [2023-11-06 22:29:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-06 22:29:51,598 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 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 22:29:51,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:51,600 INFO L225 Difference]: With dead ends: 860 [2023-11-06 22:29:51,600 INFO L226 Difference]: Without dead ends: 852 [2023-11-06 22:29:51,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=427, Invalid=1735, Unknown=0, NotChecked=0, Total=2162 [2023-11-06 22:29:51,602 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 1614 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:51,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 5094 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 22:29:51,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2023-11-06 22:29:51,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 295. [2023-11-06 22:29:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 292 states have (on average 1.2808219178082192) internal successors, (374), 294 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 374 transitions. [2023-11-06 22:29:51,919 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 374 transitions. Word has length 86 [2023-11-06 22:29:51,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:51,919 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 374 transitions. [2023-11-06 22:29:51,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 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 22:29:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 374 transitions. [2023-11-06 22:29:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:29:51,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:51,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:51,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-06 22:29:51,921 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:51,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:51,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1988293680, now seen corresponding path program 1 times [2023-11-06 22:29:51,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:51,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725335860] [2023-11-06 22:29:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:51,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:29:52,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:52,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725335860] [2023-11-06 22:29:52,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725335860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:52,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:52,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:29:52,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99856850] [2023-11-06 22:29:52,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:52,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:29:52,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:52,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:29:52,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:29:52,510 INFO L87 Difference]: Start difference. First operand 295 states and 374 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 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 22:29:55,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:55,010 INFO L93 Difference]: Finished difference Result 1014 states and 1408 transitions. [2023-11-06 22:29:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:29:55,011 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 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 22:29:55,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:55,013 INFO L225 Difference]: With dead ends: 1014 [2023-11-06 22:29:55,013 INFO L226 Difference]: Without dead ends: 999 [2023-11-06 22:29:55,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:29:55,014 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 1424 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 3106 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:55,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1424 Valid, 3106 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:29:55,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2023-11-06 22:29:55,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 269. [2023-11-06 22:29:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 1.2846441947565543) internal successors, (343), 268 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 343 transitions. [2023-11-06 22:29:55,445 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 343 transitions. Word has length 86 [2023-11-06 22:29:55,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:55,445 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 343 transitions. [2023-11-06 22:29:55,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 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 22:29:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 343 transitions. [2023-11-06 22:29:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:29:55,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:55,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:29:55,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-06 22:29:55,447 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:55,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:55,447 INFO L85 PathProgramCache]: Analyzing trace with hash -19453710, now seen corresponding path program 1 times [2023-11-06 22:29:55,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:55,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004069177] [2023-11-06 22:29:55,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:55,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:56,036 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 22:29:56,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:56,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004069177] [2023-11-06 22:29:56,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004069177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:56,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:56,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:29:56,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521740080] [2023-11-06 22:29:56,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:56,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:29:56,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:56,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:29:56,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:29:56,039 INFO L87 Difference]: Start difference. First operand 269 states and 343 transitions. Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 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 22:29:57,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:29:57,828 INFO L93 Difference]: Finished difference Result 767 states and 1043 transitions. [2023-11-06 22:29:57,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:29:57,829 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 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 22:29:57,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:29:57,830 INFO L225 Difference]: With dead ends: 767 [2023-11-06 22:29:57,830 INFO L226 Difference]: Without dead ends: 744 [2023-11-06 22:29:57,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2023-11-06 22:29:57,831 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 932 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 2300 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:29:57,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 2300 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:29:57,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2023-11-06 22:29:58,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 246. [2023-11-06 22:29:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 245 states have (on average 1.2938775510204081) internal successors, (317), 245 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:29:58,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 317 transitions. [2023-11-06 22:29:58,147 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 317 transitions. Word has length 86 [2023-11-06 22:29:58,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:29:58,147 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 317 transitions. [2023-11-06 22:29:58,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 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 22:29:58,147 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 317 transitions. [2023-11-06 22:29:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 22:29:58,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:29:58,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:58,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-06 22:29:58,148 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:29:58,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:29:58,149 INFO L85 PathProgramCache]: Analyzing trace with hash 529887998, now seen corresponding path program 1 times [2023-11-06 22:29:58,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:29:58,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344511079] [2023-11-06 22:29:58,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:29:58,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:29:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:29:58,297 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 22:29:58,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:29:58,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344511079] [2023-11-06 22:29:58,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344511079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:29:58,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:29:58,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:29:58,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001603053] [2023-11-06 22:29:58,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:29:58,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:29:58,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:29:58,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:29:58,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:29:58,300 INFO L87 Difference]: Start difference. First operand 246 states and 317 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:00,926 INFO L93 Difference]: Finished difference Result 1486 states and 2157 transitions. [2023-11-06 22:30:00,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:30:00,927 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-11-06 22:30:00,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:00,930 INFO L225 Difference]: With dead ends: 1486 [2023-11-06 22:30:00,930 INFO L226 Difference]: Without dead ends: 1362 [2023-11-06 22:30:00,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:30:00,932 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1462 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:00,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 1527 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:30:00,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2023-11-06 22:30:01,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 368. [2023-11-06 22:30:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.3569482288828338) internal successors, (498), 367 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 498 transitions. [2023-11-06 22:30:01,629 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 498 transitions. Word has length 112 [2023-11-06 22:30:01,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:01,629 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 498 transitions. [2023-11-06 22:30:01,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 498 transitions. [2023-11-06 22:30:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:30:01,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:01,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:01,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-06 22:30:01,631 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:30:01,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:01,631 INFO L85 PathProgramCache]: Analyzing trace with hash 257111127, now seen corresponding path program 1 times [2023-11-06 22:30:01,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:01,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199651293] [2023-11-06 22:30:01,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:01,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:30:01,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:01,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199651293] [2023-11-06 22:30:01,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199651293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:01,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:01,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:30:01,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905632376] [2023-11-06 22:30:01,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:01,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:30:01,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:01,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:30:01,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:30:01,789 INFO L87 Difference]: Start difference. First operand 368 states and 498 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:05,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:05,157 INFO L93 Difference]: Finished difference Result 1722 states and 2505 transitions. [2023-11-06 22:30:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:30:05,158 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-11-06 22:30:05,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:05,161 INFO L225 Difference]: With dead ends: 1722 [2023-11-06 22:30:05,162 INFO L226 Difference]: Without dead ends: 1476 [2023-11-06 22:30:05,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:30:05,163 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 1164 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:05,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 940 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:30:05,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2023-11-06 22:30:06,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 490. [2023-11-06 22:30:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 489 states have (on average 1.3885480572597138) internal successors, (679), 489 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 679 transitions. [2023-11-06 22:30:06,204 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 679 transitions. Word has length 114 [2023-11-06 22:30:06,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:06,204 INFO L495 AbstractCegarLoop]: Abstraction has 490 states and 679 transitions. [2023-11-06 22:30:06,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 679 transitions. [2023-11-06 22:30:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:30:06,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:06,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:30:06,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-06 22:30:06,206 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:30:06,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:06,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1982497248, now seen corresponding path program 1 times [2023-11-06 22:30:06,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:06,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617628541] [2023-11-06 22:30:06,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:06,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:30:06,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:06,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617628541] [2023-11-06 22:30:06,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617628541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:06,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:06,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:30:06,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804023956] [2023-11-06 22:30:06,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:06,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:30:06,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:06,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:30:06,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:30:06,473 INFO L87 Difference]: Start difference. First operand 490 states and 679 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:07,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:07,714 INFO L93 Difference]: Finished difference Result 982 states and 1407 transitions. [2023-11-06 22:30:07,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:30:07,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-11-06 22:30:07,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:07,717 INFO L225 Difference]: With dead ends: 982 [2023-11-06 22:30:07,717 INFO L226 Difference]: Without dead ends: 614 [2023-11-06 22:30:07,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:30:07,718 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 394 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:07,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 545 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:30:07,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2023-11-06 22:30:09,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 612. [2023-11-06 22:30:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 611 states have (on average 1.4009819967266777) internal successors, (856), 611 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 856 transitions. [2023-11-06 22:30:09,005 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 856 transitions. Word has length 114 [2023-11-06 22:30:09,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:09,005 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 856 transitions. [2023-11-06 22:30:09,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 856 transitions. [2023-11-06 22:30:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:30:09,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:09,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:30:09,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-06 22:30:09,007 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:30:09,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:09,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1242756927, now seen corresponding path program 1 times [2023-11-06 22:30:09,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:09,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860621713] [2023-11-06 22:30:09,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:09,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:09,100 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 22:30:09,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:09,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860621713] [2023-11-06 22:30:09,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860621713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:09,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:09,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:30:09,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135692783] [2023-11-06 22:30:09,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:09,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:30:09,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:09,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:30:09,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:30:09,103 INFO L87 Difference]: Start difference. First operand 612 states and 856 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:11,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:11,338 INFO L93 Difference]: Finished difference Result 1482 states and 2137 transitions. [2023-11-06 22:30:11,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:30:11,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-11-06 22:30:11,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:11,341 INFO L225 Difference]: With dead ends: 1482 [2023-11-06 22:30:11,341 INFO L226 Difference]: Without dead ends: 992 [2023-11-06 22:30:11,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:30:11,343 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 112 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:11,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 303 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:30:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2023-11-06 22:30:13,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 984. [2023-11-06 22:30:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 983 states have (on average 1.4150559511698881) internal successors, (1391), 983 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:13,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1391 transitions. [2023-11-06 22:30:13,544 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1391 transitions. Word has length 114 [2023-11-06 22:30:13,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:13,544 INFO L495 AbstractCegarLoop]: Abstraction has 984 states and 1391 transitions. [2023-11-06 22:30:13,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1391 transitions. [2023-11-06 22:30:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:30:13,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:13,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:30:13,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-06 22:30:13,546 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:30:13,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:13,547 INFO L85 PathProgramCache]: Analyzing trace with hash 335311913, now seen corresponding path program 1 times [2023-11-06 22:30:13,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:13,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629027648] [2023-11-06 22:30:13,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:13,723 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 22:30:13,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:13,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629027648] [2023-11-06 22:30:13,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629027648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:13,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:13,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:30:13,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623109509] [2023-11-06 22:30:13,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:13,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:30:13,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:13,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:30:13,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:30:13,726 INFO L87 Difference]: Start difference. First operand 984 states and 1391 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:20,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:20,869 INFO L93 Difference]: Finished difference Result 3386 states and 4898 transitions. [2023-11-06 22:30:20,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:30:20,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-11-06 22:30:20,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:20,874 INFO L225 Difference]: With dead ends: 3386 [2023-11-06 22:30:20,874 INFO L226 Difference]: Without dead ends: 2944 [2023-11-06 22:30:20,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:30:20,876 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1092 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:20,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 988 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:30:20,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2944 states. [2023-11-06 22:30:24,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2944 to 1614. [2023-11-06 22:30:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1613 states have (on average 1.4308741475511468) internal successors, (2308), 1613 states have internal predecessors, (2308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:24,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2308 transitions. [2023-11-06 22:30:24,852 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2308 transitions. Word has length 114 [2023-11-06 22:30:24,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:24,853 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2308 transitions. [2023-11-06 22:30:24,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:24,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2308 transitions. [2023-11-06 22:30:24,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:30:24,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:24,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:30:24,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-06 22:30:24,856 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:30:24,856 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:24,856 INFO L85 PathProgramCache]: Analyzing trace with hash -784107677, now seen corresponding path program 1 times [2023-11-06 22:30:24,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:24,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647369802] [2023-11-06 22:30:24,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:24,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:25,014 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 22:30:25,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:25,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647369802] [2023-11-06 22:30:25,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647369802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:25,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:25,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:30:25,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812398480] [2023-11-06 22:30:25,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:25,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:30:25,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:25,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:30:25,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:30:25,016 INFO L87 Difference]: Start difference. First operand 1614 states and 2308 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:32,781 INFO L93 Difference]: Finished difference Result 3806 states and 5510 transitions. [2023-11-06 22:30:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:30:32,782 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-11-06 22:30:32,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:32,785 INFO L225 Difference]: With dead ends: 3806 [2023-11-06 22:30:32,785 INFO L226 Difference]: Without dead ends: 3364 [2023-11-06 22:30:32,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:30:32,787 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 986 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:32,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [986 Valid, 1055 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:30:32,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3364 states. [2023-11-06 22:30:36,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3364 to 2034. [2023-11-06 22:30:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 2033 states have (on average 1.4363010329562222) internal successors, (2920), 2033 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2920 transitions. [2023-11-06 22:30:36,912 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2920 transitions. Word has length 114 [2023-11-06 22:30:36,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:36,912 INFO L495 AbstractCegarLoop]: Abstraction has 2034 states and 2920 transitions. [2023-11-06 22:30:36,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2920 transitions. [2023-11-06 22:30:36,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:30:36,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:36,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:30:36,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-06 22:30:36,916 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:30:36,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:36,917 INFO L85 PathProgramCache]: Analyzing trace with hash -651533795, now seen corresponding path program 1 times [2023-11-06 22:30:36,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:36,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731692157] [2023-11-06 22:30:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:36,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:37,116 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 22:30:37,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:37,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731692157] [2023-11-06 22:30:37,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731692157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:37,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:37,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:30:37,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414317102] [2023-11-06 22:30:37,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:37,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:30:37,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:37,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:30:37,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:30:37,120 INFO L87 Difference]: Start difference. First operand 2034 states and 2920 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:45,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:45,599 INFO L93 Difference]: Finished difference Result 4226 states and 6122 transitions. [2023-11-06 22:30:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:30:45,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-11-06 22:30:45,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:45,603 INFO L225 Difference]: With dead ends: 4226 [2023-11-06 22:30:45,603 INFO L226 Difference]: Without dead ends: 3784 [2023-11-06 22:30:45,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:30:45,604 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 1019 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:45,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 1106 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:30:45,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3784 states. [2023-11-06 22:30:51,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3784 to 2454. [2023-11-06 22:30:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2454 states, 2453 states have (on average 1.4398695474928658) internal successors, (3532), 2453 states have internal predecessors, (3532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3532 transitions. [2023-11-06 22:30:51,089 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3532 transitions. Word has length 114 [2023-11-06 22:30:51,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:51,090 INFO L495 AbstractCegarLoop]: Abstraction has 2454 states and 3532 transitions. [2023-11-06 22:30:51,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:30:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3532 transitions. [2023-11-06 22:30:51,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-06 22:30:51,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:51,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:30:51,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-06 22:30:51,093 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:30:51,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:51,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1268705059, now seen corresponding path program 1 times [2023-11-06 22:30:51,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:51,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645492055] [2023-11-06 22:30:51,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:51,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:51,238 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 22:30:51,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:51,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645492055] [2023-11-06 22:30:51,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645492055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:51,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:51,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:30:51,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608370948] [2023-11-06 22:30:51,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:51,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:30:51,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:51,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:30:51,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:30:51,242 INFO L87 Difference]: Start difference. First operand 2454 states and 3532 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:01,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:01,488 INFO L93 Difference]: Finished difference Result 6942 states and 10022 transitions. [2023-11-06 22:31:01,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:31:01,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-11-06 22:31:01,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:01,494 INFO L225 Difference]: With dead ends: 6942 [2023-11-06 22:31:01,494 INFO L226 Difference]: Without dead ends: 4610 [2023-11-06 22:31:01,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:01,497 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 87 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:01,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 400 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:01,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4610 states. [2023-11-06 22:31:11,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 4432. [2023-11-06 22:31:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4432 states, 4431 states have (on average 1.4348905438952833) internal successors, (6358), 4431 states have internal predecessors, (6358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4432 states to 4432 states and 6358 transitions. [2023-11-06 22:31:11,843 INFO L78 Accepts]: Start accepts. Automaton has 4432 states and 6358 transitions. Word has length 115 [2023-11-06 22:31:11,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:11,844 INFO L495 AbstractCegarLoop]: Abstraction has 4432 states and 6358 transitions. [2023-11-06 22:31:11,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 4432 states and 6358 transitions. [2023-11-06 22:31:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:31:11,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:11,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:11,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-06 22:31:11,846 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-11-06 22:31:11,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:11,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1444283991, now seen corresponding path program 1 times [2023-11-06 22:31:11,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:11,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020627212] [2023-11-06 22:31:11,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:11,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:11,940 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 22:31:11,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:11,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020627212] [2023-11-06 22:31:11,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020627212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:11,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:11,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:31:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275944315] [2023-11-06 22:31:11,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:11,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:31:11,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:11,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:31:11,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:11,942 INFO L87 Difference]: Start difference. First operand 4432 states and 6358 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)