./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5990b1cf211e12a23ca85722a0e539783495fb8504bce43e0d5e789fe089f178 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:45:23,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:45:24,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:45:24,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:45:24,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:45:24,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:45:24,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:45:24,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:45:24,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:45:24,059 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:45:24,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:45:24,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:45:24,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:45:24,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:45:24,062 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:45:24,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:45:24,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:45:24,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:45:24,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:45:24,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:45:24,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:45:24,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:45:24,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:45:24,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:45:24,067 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:45:24,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:45:24,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:45:24,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:45:24,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:45:24,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:45:24,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:45:24,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:45:24,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:45:24,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:45:24,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:45:24,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:45:24,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:45:24,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:45:24,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:45:24,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:45:24,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:45:24,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:45:24,073 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5990b1cf211e12a23ca85722a0e539783495fb8504bce43e0d5e789fe089f178 [2023-11-29 05:45:24,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:45:24,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:45:24,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:45:24,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:45:24,364 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:45:24,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-11-29 05:45:27,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:45:28,202 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:45:28,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-11-29 05:45:28,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/data/b7f6f7a24/d653d217e9b04398999c09d9f4ca8b58/FLAG9c0e5ebc5 [2023-11-29 05:45:28,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/data/b7f6f7a24/d653d217e9b04398999c09d9f4ca8b58 [2023-11-29 05:45:28,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:45:28,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:45:28,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:45:28,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:45:28,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:45:28,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:45:28" (1/1) ... [2023-11-29 05:45:28,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e2accc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:28, skipping insertion in model container [2023-11-29 05:45:28,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:45:28" (1/1) ... [2023-11-29 05:45:28,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:45:28,651 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18815,18828] [2023-11-29 05:45:28,698 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25895,25908] [2023-11-29 05:45:28,720 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29420,29433] [2023-11-29 05:45:28,739 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32798,32811] [2023-11-29 05:45:28,763 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36856,36869] [2023-11-29 05:45:28,782 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40310,40323] [2023-11-29 05:45:28,802 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43875,43888] [2023-11-29 05:45:28,821 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47290,47303] [2023-11-29 05:45:28,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[50969,50982] [2023-11-29 05:45:28,860 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54551,54564] [2023-11-29 05:45:28,878 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58080,58093] [2023-11-29 05:45:28,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:45:28,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:45:29,062 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18815,18828] [2023-11-29 05:45:29,098 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25895,25908] [2023-11-29 05:45:29,111 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29420,29433] [2023-11-29 05:45:29,124 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32798,32811] [2023-11-29 05:45:29,140 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36856,36869] [2023-11-29 05:45:29,153 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40310,40323] [2023-11-29 05:45:29,167 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43875,43888] [2023-11-29 05:45:29,180 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47290,47303] [2023-11-29 05:45:29,194 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[50969,50982] [2023-11-29 05:45:29,208 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54551,54564] [2023-11-29 05:45:29,222 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_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58080,58093] [2023-11-29 05:45:29,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:45:29,278 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:45:29,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29 WrapperNode [2023-11-29 05:45:29,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:45:29,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:45:29,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:45:29,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:45:29,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,427 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2958 [2023-11-29 05:45:29,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:45:29,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:45:29,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:45:29,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:45:29,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,501 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:45:29,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:45:29,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:45:29,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:45:29,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:45:29,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (1/1) ... [2023-11-29 05:45:29,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:45:29,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:29,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:29,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:45:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:45:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:45:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:45:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:45:29,896 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:45:29,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:45:31,767 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:45:31,832 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:45:31,833 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:45:31,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:45:31 BoogieIcfgContainer [2023-11-29 05:45:31,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:45:31,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:45:31,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:45:31,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:45:31,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:45:28" (1/3) ... [2023-11-29 05:45:31,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1e561c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:45:31, skipping insertion in model container [2023-11-29 05:45:31,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:29" (2/3) ... [2023-11-29 05:45:31,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1e561c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:45:31, skipping insertion in model container [2023-11-29 05:45:31,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:45:31" (3/3) ... [2023-11-29 05:45:31,844 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-11-29 05:45:31,867 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:45:31,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-11-29 05:45:31,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:45:31,952 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16fd4804, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:45:31,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-11-29 05:45:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 568 states, 556 states have (on average 1.7859712230215827) internal successors, (993), 567 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 05:45:31,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:31,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:31,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:31,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:31,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1518492486, now seen corresponding path program 1 times [2023-11-29 05:45:32,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:32,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965374155] [2023-11-29 05:45:32,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:32,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:32,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:32,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965374155] [2023-11-29 05:45:32,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965374155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:32,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:32,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:45:32,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562412605] [2023-11-29 05:45:32,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:32,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:45:32,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:32,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:45:32,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:45:32,632 INFO L87 Difference]: Start difference. First operand has 568 states, 556 states have (on average 1.7859712230215827) internal successors, (993), 567 states have internal predecessors, (993), 0 states have call successors, (0), 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 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:33,377 INFO L93 Difference]: Finished difference Result 780 states and 1329 transitions. [2023-11-29 05:45:33,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:45:33,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2023-11-29 05:45:33,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:33,399 INFO L225 Difference]: With dead ends: 780 [2023-11-29 05:45:33,399 INFO L226 Difference]: Without dead ends: 502 [2023-11-29 05:45:33,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:45:33,409 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 2431 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:33,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 537 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:45:33,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-29 05:45:33,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 502. [2023-11-29 05:45:33,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 491 states have (on average 1.274949083503055) internal successors, (626), 501 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:33,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 626 transitions. [2023-11-29 05:45:33,487 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 626 transitions. Word has length 59 [2023-11-29 05:45:33,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:33,487 INFO L495 AbstractCegarLoop]: Abstraction has 502 states and 626 transitions. [2023-11-29 05:45:33,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 626 transitions. [2023-11-29 05:45:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 05:45:33,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:33,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:33,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:45:33,493 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:33,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:33,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1943729877, now seen corresponding path program 1 times [2023-11-29 05:45:33,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:33,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054025365] [2023-11-29 05:45:33,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:33,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:33,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:33,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054025365] [2023-11-29 05:45:33,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054025365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:33,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:33,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:45:33,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010631090] [2023-11-29 05:45:33,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:33,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:45:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:33,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:45:33,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:45:33,700 INFO L87 Difference]: Start difference. First operand 502 states and 626 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:34,027 INFO L93 Difference]: Finished difference Result 600 states and 747 transitions. [2023-11-29 05:45:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:45:34,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2023-11-29 05:45:34,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:34,033 INFO L225 Difference]: With dead ends: 600 [2023-11-29 05:45:34,033 INFO L226 Difference]: Without dead ends: 350 [2023-11-29 05:45:34,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:45:34,036 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 1240 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:34,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 254 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:45:34,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-11-29 05:45:34,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2023-11-29 05:45:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 339 states have (on average 1.2772861356932153) internal successors, (433), 349 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 433 transitions. [2023-11-29 05:45:34,056 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 433 transitions. Word has length 59 [2023-11-29 05:45:34,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:34,057 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 433 transitions. [2023-11-29 05:45:34,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 433 transitions. [2023-11-29 05:45:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 05:45:34,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:34,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:34,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:45:34,061 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:34,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:34,061 INFO L85 PathProgramCache]: Analyzing trace with hash -19682530, now seen corresponding path program 1 times [2023-11-29 05:45:34,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:34,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164662733] [2023-11-29 05:45:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:34,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:34,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:34,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164662733] [2023-11-29 05:45:34,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164662733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:34,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:34,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:45:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579331446] [2023-11-29 05:45:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:34,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:45:34,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:34,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:45:34,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:45:34,252 INFO L87 Difference]: Start difference. First operand 350 states and 433 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:34,502 INFO L93 Difference]: Finished difference Result 490 states and 615 transitions. [2023-11-29 05:45:34,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:45:34,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2023-11-29 05:45:34,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:34,505 INFO L225 Difference]: With dead ends: 490 [2023-11-29 05:45:34,506 INFO L226 Difference]: Without dead ends: 301 [2023-11-29 05:45:34,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:45:34,508 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 1089 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:34,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 219 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:45:34,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-29 05:45:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2023-11-29 05:45:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 290 states have (on average 1.293103448275862) internal successors, (375), 300 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 375 transitions. [2023-11-29 05:45:34,522 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 375 transitions. Word has length 59 [2023-11-29 05:45:34,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:34,523 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 375 transitions. [2023-11-29 05:45:34,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,523 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 375 transitions. [2023-11-29 05:45:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 05:45:34,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:34,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:34,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:45:34,525 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:34,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:34,526 INFO L85 PathProgramCache]: Analyzing trace with hash -732780502, now seen corresponding path program 1 times [2023-11-29 05:45:34,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:34,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956501152] [2023-11-29 05:45:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:34,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:34,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956501152] [2023-11-29 05:45:34,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956501152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:34,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:34,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:45:34,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016992077] [2023-11-29 05:45:34,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:34,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:45:34,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:34,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:45:34,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:45:34,703 INFO L87 Difference]: Start difference. First operand 301 states and 375 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:34,905 INFO L93 Difference]: Finished difference Result 423 states and 530 transitions. [2023-11-29 05:45:34,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:45:34,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2023-11-29 05:45:34,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:34,908 INFO L225 Difference]: With dead ends: 423 [2023-11-29 05:45:34,908 INFO L226 Difference]: Without dead ends: 260 [2023-11-29 05:45:34,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:45:34,910 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 922 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:34,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 205 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:45:34,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-29 05:45:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2023-11-29 05:45:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2971887550200802) internal successors, (323), 259 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 323 transitions. [2023-11-29 05:45:34,920 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 323 transitions. Word has length 61 [2023-11-29 05:45:34,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:34,921 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 323 transitions. [2023-11-29 05:45:34,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 323 transitions. [2023-11-29 05:45:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 05:45:34,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:34,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:34,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:45:34,923 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:34,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:34,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1082227329, now seen corresponding path program 1 times [2023-11-29 05:45:34,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:34,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746356852] [2023-11-29 05:45:34,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:34,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:35,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:35,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746356852] [2023-11-29 05:45:35,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746356852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:35,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:35,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:35,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795761759] [2023-11-29 05:45:35,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:35,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:35,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:35,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:35,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:35,346 INFO L87 Difference]: Start difference. First operand 260 states and 323 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:36,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:36,153 INFO L93 Difference]: Finished difference Result 606 states and 793 transitions. [2023-11-29 05:45:36,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:36,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 05:45:36,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:36,158 INFO L225 Difference]: With dead ends: 606 [2023-11-29 05:45:36,158 INFO L226 Difference]: Without dead ends: 514 [2023-11-29 05:45:36,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:45:36,160 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 1125 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:36,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 923 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:45:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-11-29 05:45:36,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 260. [2023-11-29 05:45:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2931726907630523) internal successors, (322), 259 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:36,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 322 transitions. [2023-11-29 05:45:36,173 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 322 transitions. Word has length 63 [2023-11-29 05:45:36,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:36,174 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 322 transitions. [2023-11-29 05:45:36,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 322 transitions. [2023-11-29 05:45:36,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 05:45:36,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:36,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:36,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:45:36,176 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:36,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:36,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1413074335, now seen corresponding path program 1 times [2023-11-29 05:45:36,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:36,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941981853] [2023-11-29 05:45:36,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:36,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:36,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:36,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941981853] [2023-11-29 05:45:36,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941981853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:36,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:36,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:36,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694244345] [2023-11-29 05:45:36,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:36,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:36,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:36,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:36,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:36,589 INFO L87 Difference]: Start difference. First operand 260 states and 322 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:37,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:37,434 INFO L93 Difference]: Finished difference Result 578 states and 757 transitions. [2023-11-29 05:45:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:37,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 05:45:37,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:37,438 INFO L225 Difference]: With dead ends: 578 [2023-11-29 05:45:37,438 INFO L226 Difference]: Without dead ends: 510 [2023-11-29 05:45:37,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:45:37,440 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1485 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:37,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 1068 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:45:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-11-29 05:45:37,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 260. [2023-11-29 05:45:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2891566265060241) internal successors, (321), 259 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 321 transitions. [2023-11-29 05:45:37,453 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 321 transitions. Word has length 63 [2023-11-29 05:45:37,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:37,453 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 321 transitions. [2023-11-29 05:45:37,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 321 transitions. [2023-11-29 05:45:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 05:45:37,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:37,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:37,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:45:37,455 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:37,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:37,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1960661089, now seen corresponding path program 1 times [2023-11-29 05:45:37,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:37,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900299179] [2023-11-29 05:45:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:37,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:37,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:37,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900299179] [2023-11-29 05:45:37,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900299179] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:37,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:37,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:45:37,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958871866] [2023-11-29 05:45:37,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:37,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:45:37,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:37,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:45:37,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:45:37,842 INFO L87 Difference]: Start difference. First operand 260 states and 321 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:38,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:38,350 INFO L93 Difference]: Finished difference Result 515 states and 637 transitions. [2023-11-29 05:45:38,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:45:38,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 05:45:38,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:38,354 INFO L225 Difference]: With dead ends: 515 [2023-11-29 05:45:38,354 INFO L226 Difference]: Without dead ends: 374 [2023-11-29 05:45:38,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:45:38,356 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1290 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:38,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 671 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:45:38,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-11-29 05:45:38,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 260. [2023-11-29 05:45:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.285140562248996) internal successors, (320), 259 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 320 transitions. [2023-11-29 05:45:38,367 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 320 transitions. Word has length 63 [2023-11-29 05:45:38,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:38,367 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 320 transitions. [2023-11-29 05:45:38,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:38,368 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 320 transitions. [2023-11-29 05:45:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 05:45:38,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:38,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:38,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:45:38,369 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:38,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:38,370 INFO L85 PathProgramCache]: Analyzing trace with hash 718759200, now seen corresponding path program 1 times [2023-11-29 05:45:38,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:38,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095512595] [2023-11-29 05:45:38,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:38,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:38,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095512595] [2023-11-29 05:45:38,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095512595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:38,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:38,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:38,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730922818] [2023-11-29 05:45:38,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:38,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:38,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:38,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:38,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:38,665 INFO L87 Difference]: Start difference. First operand 260 states and 320 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:39,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:39,492 INFO L93 Difference]: Finished difference Result 559 states and 726 transitions. [2023-11-29 05:45:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:39,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 05:45:39,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:39,497 INFO L225 Difference]: With dead ends: 559 [2023-11-29 05:45:39,497 INFO L226 Difference]: Without dead ends: 502 [2023-11-29 05:45:39,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:45:39,500 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1492 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:39,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 983 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:45:39,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-29 05:45:39,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 260. [2023-11-29 05:45:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2811244979919678) internal successors, (319), 259 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 319 transitions. [2023-11-29 05:45:39,512 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 319 transitions. Word has length 64 [2023-11-29 05:45:39,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:39,513 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 319 transitions. [2023-11-29 05:45:39,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 319 transitions. [2023-11-29 05:45:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 05:45:39,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:39,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:39,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:45:39,515 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:39,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:39,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1193853636, now seen corresponding path program 1 times [2023-11-29 05:45:39,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:39,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765344533] [2023-11-29 05:45:39,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:39,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:39,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:39,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765344533] [2023-11-29 05:45:39,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765344533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:39,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:39,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:39,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304131087] [2023-11-29 05:45:39,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:39,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:39,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:39,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:39,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:39,800 INFO L87 Difference]: Start difference. First operand 260 states and 319 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:40,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:40,595 INFO L93 Difference]: Finished difference Result 529 states and 679 transitions. [2023-11-29 05:45:40,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:40,595 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 05:45:40,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:40,599 INFO L225 Difference]: With dead ends: 529 [2023-11-29 05:45:40,600 INFO L226 Difference]: Without dead ends: 510 [2023-11-29 05:45:40,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:45:40,601 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1436 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:40,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 1101 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:45:40,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-11-29 05:45:40,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 260. [2023-11-29 05:45:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2771084337349397) internal successors, (318), 259 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 318 transitions. [2023-11-29 05:45:40,613 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 318 transitions. Word has length 65 [2023-11-29 05:45:40,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:40,613 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 318 transitions. [2023-11-29 05:45:40,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 318 transitions. [2023-11-29 05:45:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 05:45:40,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:40,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:40,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:45:40,615 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:40,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1508275324, now seen corresponding path program 1 times [2023-11-29 05:45:40,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:40,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771940524] [2023-11-29 05:45:40,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:40,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:40,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:40,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771940524] [2023-11-29 05:45:40,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771940524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:40,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:40,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:40,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828141795] [2023-11-29 05:45:40,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:40,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:40,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:40,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:40,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:40,924 INFO L87 Difference]: Start difference. First operand 260 states and 318 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:41,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:41,601 INFO L93 Difference]: Finished difference Result 508 states and 647 transitions. [2023-11-29 05:45:41,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:41,602 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 05:45:41,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:41,606 INFO L225 Difference]: With dead ends: 508 [2023-11-29 05:45:41,606 INFO L226 Difference]: Without dead ends: 502 [2023-11-29 05:45:41,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:45:41,608 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 987 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:41,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 1059 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:45:41,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-29 05:45:41,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 260. [2023-11-29 05:45:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2730923694779117) internal successors, (317), 259 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) [2023-11-29 05:45:41,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 317 transitions. [2023-11-29 05:45:41,619 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 317 transitions. Word has length 65 [2023-11-29 05:45:41,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:41,619 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 317 transitions. [2023-11-29 05:45:41,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:41,619 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 317 transitions. [2023-11-29 05:45:41,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 05:45:41,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:41,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:41,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:45:41,621 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:41,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:41,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1207057476, now seen corresponding path program 1 times [2023-11-29 05:45:41,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:41,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308103739] [2023-11-29 05:45:41,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:41,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:41,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:41,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308103739] [2023-11-29 05:45:41,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308103739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:41,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:41,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:41,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404492641] [2023-11-29 05:45:41,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:41,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:41,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:41,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:41,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:41,955 INFO L87 Difference]: Start difference. First operand 260 states and 317 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:42,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:42,713 INFO L93 Difference]: Finished difference Result 612 states and 790 transitions. [2023-11-29 05:45:42,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:42,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 05:45:42,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:42,717 INFO L225 Difference]: With dead ends: 612 [2023-11-29 05:45:42,717 INFO L226 Difference]: Without dead ends: 514 [2023-11-29 05:45:42,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:45:42,719 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 1454 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:42,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 1238 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:45:42,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-11-29 05:45:42,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 260. [2023-11-29 05:45:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2690763052208835) internal successors, (316), 259 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 316 transitions. [2023-11-29 05:45:42,728 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 316 transitions. Word has length 65 [2023-11-29 05:45:42,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:42,728 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 316 transitions. [2023-11-29 05:45:42,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:42,729 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 316 transitions. [2023-11-29 05:45:42,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 05:45:42,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:42,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:42,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:45:42,730 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:42,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:42,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1230734052, now seen corresponding path program 1 times [2023-11-29 05:45:42,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:42,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372266691] [2023-11-29 05:45:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:42,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:42,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:42,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372266691] [2023-11-29 05:45:42,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372266691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:42,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:42,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:42,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635672009] [2023-11-29 05:45:42,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:42,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:42,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:42,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:42,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:42,970 INFO L87 Difference]: Start difference. First operand 260 states and 316 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:43,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:43,527 INFO L93 Difference]: Finished difference Result 562 states and 725 transitions. [2023-11-29 05:45:43,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:43,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 05:45:43,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:43,529 INFO L225 Difference]: With dead ends: 562 [2023-11-29 05:45:43,530 INFO L226 Difference]: Without dead ends: 502 [2023-11-29 05:45:43,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:45:43,531 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 975 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:43,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 1070 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:45:43,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-29 05:45:43,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 260. [2023-11-29 05:45:43,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2650602409638554) internal successors, (315), 259 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 315 transitions. [2023-11-29 05:45:43,537 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 315 transitions. Word has length 65 [2023-11-29 05:45:43,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:43,537 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 315 transitions. [2023-11-29 05:45:43,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 315 transitions. [2023-11-29 05:45:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 05:45:43,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:43,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:43,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:45:43,539 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:43,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:43,539 INFO L85 PathProgramCache]: Analyzing trace with hash -873801820, now seen corresponding path program 1 times [2023-11-29 05:45:43,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:43,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497066028] [2023-11-29 05:45:43,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:43,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:43,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:43,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497066028] [2023-11-29 05:45:43,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497066028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:43,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:43,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:43,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782063911] [2023-11-29 05:45:43,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:43,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:43,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:43,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:43,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:43,724 INFO L87 Difference]: Start difference. First operand 260 states and 315 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:44,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:44,303 INFO L93 Difference]: Finished difference Result 583 states and 754 transitions. [2023-11-29 05:45:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:44,303 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 05:45:44,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:44,305 INFO L225 Difference]: With dead ends: 583 [2023-11-29 05:45:44,306 INFO L226 Difference]: Without dead ends: 510 [2023-11-29 05:45:44,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:45:44,307 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 930 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:44,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 1295 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:45:44,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-11-29 05:45:44,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 260. [2023-11-29 05:45:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2610441767068272) internal successors, (314), 259 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:44,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2023-11-29 05:45:44,313 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 65 [2023-11-29 05:45:44,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:44,313 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2023-11-29 05:45:44,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2023-11-29 05:45:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 05:45:44,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:44,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:44,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:45:44,314 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:44,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:44,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1099115196, now seen corresponding path program 1 times [2023-11-29 05:45:44,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:44,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971931442] [2023-11-29 05:45:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:44,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:44,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:44,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971931442] [2023-11-29 05:45:44,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971931442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:44,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:44,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:45:44,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363942041] [2023-11-29 05:45:44,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:44,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:45:44,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:44,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:45:44,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:45:44,536 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:45,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:45,045 INFO L93 Difference]: Finished difference Result 508 states and 643 transitions. [2023-11-29 05:45:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:45:45,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 05:45:45,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:45,048 INFO L225 Difference]: With dead ends: 508 [2023-11-29 05:45:45,048 INFO L226 Difference]: Without dead ends: 502 [2023-11-29 05:45:45,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:45:45,049 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 947 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:45,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 1199 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:45:45,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-29 05:45:45,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 260. [2023-11-29 05:45:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 249 states have (on average 1.2570281124497993) internal successors, (313), 259 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 313 transitions. [2023-11-29 05:45:45,057 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 313 transitions. Word has length 65 [2023-11-29 05:45:45,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:45,058 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 313 transitions. [2023-11-29 05:45:45,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 313 transitions. [2023-11-29 05:45:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 05:45:45,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:45,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:45,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:45:45,059 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:45,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:45,060 INFO L85 PathProgramCache]: Analyzing trace with hash 106808155, now seen corresponding path program 1 times [2023-11-29 05:45:45,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:45,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128339799] [2023-11-29 05:45:45,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:45,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:46,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:46,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128339799] [2023-11-29 05:45:46,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128339799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:46,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:46,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-29 05:45:46,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287912870] [2023-11-29 05:45:46,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:46,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 05:45:46,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:46,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 05:45:46,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=548, Unknown=0, NotChecked=0, Total=600 [2023-11-29 05:45:46,852 INFO L87 Difference]: Start difference. First operand 260 states and 313 transitions. Second operand has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:50,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:50,852 INFO L93 Difference]: Finished difference Result 853 states and 1057 transitions. [2023-11-29 05:45:50,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 05:45:50,852 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-29 05:45:50,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:50,855 INFO L225 Difference]: With dead ends: 853 [2023-11-29 05:45:50,855 INFO L226 Difference]: Without dead ends: 798 [2023-11-29 05:45:50,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=315, Invalid=1847, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 05:45:50,857 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 2702 mSDsluCounter, 7302 mSDsCounter, 0 mSdLazyCounter, 3943 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2702 SdHoareTripleChecker+Valid, 7864 SdHoareTripleChecker+Invalid, 3943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:50,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2702 Valid, 7864 Invalid, 3943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3943 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 05:45:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2023-11-29 05:45:50,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 275. [2023-11-29 05:45:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 264 states have (on average 1.2613636363636365) internal successors, (333), 274 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:50,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 333 transitions. [2023-11-29 05:45:50,866 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 333 transitions. Word has length 66 [2023-11-29 05:45:50,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:50,866 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 333 transitions. [2023-11-29 05:45:50,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 333 transitions. [2023-11-29 05:45:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 05:45:50,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:50,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:50,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:45:50,867 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:50,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:50,868 INFO L85 PathProgramCache]: Analyzing trace with hash -543233893, now seen corresponding path program 1 times [2023-11-29 05:45:50,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:50,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449094083] [2023-11-29 05:45:50,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:50,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:51,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:51,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449094083] [2023-11-29 05:45:51,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449094083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:51,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:51,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:45:51,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515231942] [2023-11-29 05:45:51,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:51,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:45:51,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:51,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:45:51,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:45:51,319 INFO L87 Difference]: Start difference. First operand 275 states and 333 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:51,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:51,929 INFO L93 Difference]: Finished difference Result 629 states and 788 transitions. [2023-11-29 05:45:51,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:45:51,929 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-29 05:45:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:51,932 INFO L225 Difference]: With dead ends: 629 [2023-11-29 05:45:51,932 INFO L226 Difference]: Without dead ends: 505 [2023-11-29 05:45:51,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:45:51,933 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 1515 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:51,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1342 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:45:51,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2023-11-29 05:45:51,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 205. [2023-11-29 05:45:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 198 states have (on average 1.2575757575757576) internal successors, (249), 204 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 249 transitions. [2023-11-29 05:45:51,939 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 249 transitions. Word has length 66 [2023-11-29 05:45:51,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:51,940 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 249 transitions. [2023-11-29 05:45:51,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 249 transitions. [2023-11-29 05:45:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-29 05:45:51,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:51,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:51,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:45:51,941 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:51,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:51,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1410161897, now seen corresponding path program 1 times [2023-11-29 05:45:51,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:51,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098150675] [2023-11-29 05:45:51,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:51,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:52,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:52,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098150675] [2023-11-29 05:45:52,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098150675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:52,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:52,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:45:52,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675071322] [2023-11-29 05:45:52,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:52,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:45:52,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:52,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:45:52,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:45:52,451 INFO L87 Difference]: Start difference. First operand 205 states and 249 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:53,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:53,275 INFO L93 Difference]: Finished difference Result 599 states and 802 transitions. [2023-11-29 05:45:53,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 05:45:53,275 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-29 05:45:53,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:53,278 INFO L225 Difference]: With dead ends: 599 [2023-11-29 05:45:53,278 INFO L226 Difference]: Without dead ends: 528 [2023-11-29 05:45:53,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-11-29 05:45:53,280 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1393 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 2308 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:53,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 2308 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:45:53,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2023-11-29 05:45:53,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 188. [2023-11-29 05:45:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 183 states have (on average 1.2513661202185793) internal successors, (229), 187 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 229 transitions. [2023-11-29 05:45:53,287 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 229 transitions. Word has length 67 [2023-11-29 05:45:53,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:53,287 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 229 transitions. [2023-11-29 05:45:53,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 229 transitions. [2023-11-29 05:45:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-29 05:45:53,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:53,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:53,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:45:53,289 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:53,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash 866774441, now seen corresponding path program 1 times [2023-11-29 05:45:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:53,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139976364] [2023-11-29 05:45:53,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:54,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:54,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139976364] [2023-11-29 05:45:54,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139976364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:54,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:54,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 05:45:54,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100068981] [2023-11-29 05:45:54,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:54,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 05:45:54,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:54,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 05:45:54,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:45:54,464 INFO L87 Difference]: Start difference. First operand 188 states and 229 transitions. Second operand has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:56,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:56,309 INFO L93 Difference]: Finished difference Result 585 states and 735 transitions. [2023-11-29 05:45:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 05:45:56,309 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-29 05:45:56,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:56,312 INFO L225 Difference]: With dead ends: 585 [2023-11-29 05:45:56,312 INFO L226 Difference]: Without dead ends: 572 [2023-11-29 05:45:56,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=214, Invalid=1118, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 05:45:56,313 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 1577 mSDsluCounter, 3775 mSDsCounter, 0 mSdLazyCounter, 2029 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:56,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 4034 Invalid, 2031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2029 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 05:45:56,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-11-29 05:45:56,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 195. [2023-11-29 05:45:56,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 190 states have (on average 1.2473684210526317) internal successors, (237), 194 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 237 transitions. [2023-11-29 05:45:56,320 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 237 transitions. Word has length 67 [2023-11-29 05:45:56,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:56,320 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 237 transitions. [2023-11-29 05:45:56,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 237 transitions. [2023-11-29 05:45:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-29 05:45:56,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:56,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:56,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:45:56,322 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:56,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:56,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1780474025, now seen corresponding path program 1 times [2023-11-29 05:45:56,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:56,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687726962] [2023-11-29 05:45:56,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:56,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:57,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687726962] [2023-11-29 05:45:57,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687726962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:57,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:57,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 05:45:57,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176049585] [2023-11-29 05:45:57,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:57,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 05:45:57,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:57,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 05:45:57,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-11-29 05:45:57,351 INFO L87 Difference]: Start difference. First operand 195 states and 237 transitions. Second operand has 22 states, 22 states have (on average 3.0454545454545454) internal successors, (67), 22 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:59,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:59,165 INFO L93 Difference]: Finished difference Result 570 states and 720 transitions. [2023-11-29 05:45:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 05:45:59,165 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.0454545454545454) internal successors, (67), 22 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-29 05:45:59,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:45:59,167 INFO L225 Difference]: With dead ends: 570 [2023-11-29 05:45:59,167 INFO L226 Difference]: Without dead ends: 563 [2023-11-29 05:45:59,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=260, Invalid=1380, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 05:45:59,169 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 1555 mSDsluCounter, 3866 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 4126 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:45:59,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 4126 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:45:59,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2023-11-29 05:45:59,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 195. [2023-11-29 05:45:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 190 states have (on average 1.2421052631578948) internal successors, (236), 194 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 236 transitions. [2023-11-29 05:45:59,175 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 236 transitions. Word has length 67 [2023-11-29 05:45:59,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:45:59,175 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 236 transitions. [2023-11-29 05:45:59,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.0454545454545454) internal successors, (67), 22 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 236 transitions. [2023-11-29 05:45:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-29 05:45:59,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:45:59,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:45:59,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:45:59,176 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:45:59,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:59,177 INFO L85 PathProgramCache]: Analyzing trace with hash -588581152, now seen corresponding path program 1 times [2023-11-29 05:45:59,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:59,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859767853] [2023-11-29 05:45:59,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:59,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:59,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:59,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859767853] [2023-11-29 05:45:59,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859767853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:59,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:59,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 05:45:59,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553263520] [2023-11-29 05:45:59,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:59,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 05:45:59,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 05:45:59,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:45:59,983 INFO L87 Difference]: Start difference. First operand 195 states and 236 transitions. Second operand has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 14 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:01,150 INFO L93 Difference]: Finished difference Result 627 states and 825 transitions. [2023-11-29 05:46:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 05:46:01,151 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 14 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-29 05:46:01,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:01,154 INFO L225 Difference]: With dead ends: 627 [2023-11-29 05:46:01,154 INFO L226 Difference]: Without dead ends: 537 [2023-11-29 05:46:01,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2023-11-29 05:46:01,155 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 1227 mSDsluCounter, 3139 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:01,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 3496 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:46:01,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2023-11-29 05:46:01,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 186. [2023-11-29 05:46:01,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 181 states have (on average 1.2265193370165746) internal successors, (222), 185 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:01,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 222 transitions. [2023-11-29 05:46:01,162 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 222 transitions. Word has length 67 [2023-11-29 05:46:01,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:01,162 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 222 transitions. [2023-11-29 05:46:01,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 14 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:01,163 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 222 transitions. [2023-11-29 05:46:01,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-29 05:46:01,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:01,163 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] [2023-11-29 05:46:01,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 05:46:01,164 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:01,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:01,164 INFO L85 PathProgramCache]: Analyzing trace with hash 183577999, now seen corresponding path program 1 times [2023-11-29 05:46:01,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:01,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474838141] [2023-11-29 05:46:01,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:01,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:01,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:01,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474838141] [2023-11-29 05:46:01,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474838141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:01,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:01,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 05:46:01,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281399188] [2023-11-29 05:46:01,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:01,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 05:46:01,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:01,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 05:46:01,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:46:01,957 INFO L87 Difference]: Start difference. First operand 186 states and 222 transitions. Second operand has 17 states, 17 states have (on average 4.0) internal successors, (68), 16 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:03,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:03,323 INFO L93 Difference]: Finished difference Result 501 states and 639 transitions. [2023-11-29 05:46:03,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 05:46:03,323 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 16 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-29 05:46:03,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:03,325 INFO L225 Difference]: With dead ends: 501 [2023-11-29 05:46:03,325 INFO L226 Difference]: Without dead ends: 497 [2023-11-29 05:46:03,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=223, Invalid=833, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 05:46:03,326 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 1336 mSDsluCounter, 2893 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 3154 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:03,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 3154 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:46:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2023-11-29 05:46:03,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 181. [2023-11-29 05:46:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 177 states have (on average 1.2259887005649717) internal successors, (217), 180 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 217 transitions. [2023-11-29 05:46:03,332 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 217 transitions. Word has length 68 [2023-11-29 05:46:03,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:03,332 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 217 transitions. [2023-11-29 05:46:03,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 16 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 217 transitions. [2023-11-29 05:46:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-29 05:46:03,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:03,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:03,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 05:46:03,333 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:03,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:03,333 INFO L85 PathProgramCache]: Analyzing trace with hash 734420341, now seen corresponding path program 1 times [2023-11-29 05:46:03,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:03,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907886956] [2023-11-29 05:46:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:03,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:03,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:03,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907886956] [2023-11-29 05:46:03,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907886956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:03,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:03,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:46:03,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506692020] [2023-11-29 05:46:03,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:03,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:46:03,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:03,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:46:03,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:46:03,767 INFO L87 Difference]: Start difference. First operand 181 states and 217 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:04,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:04,417 INFO L93 Difference]: Finished difference Result 427 states and 550 transitions. [2023-11-29 05:46:04,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 05:46:04,418 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-29 05:46:04,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:04,420 INFO L225 Difference]: With dead ends: 427 [2023-11-29 05:46:04,421 INFO L226 Difference]: Without dead ends: 390 [2023-11-29 05:46:04,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-11-29 05:46:04,422 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 997 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 2358 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:04,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 2358 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:46:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-11-29 05:46:04,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 137. [2023-11-29 05:46:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 135 states have (on average 1.2444444444444445) internal successors, (168), 136 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 168 transitions. [2023-11-29 05:46:04,425 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 168 transitions. Word has length 68 [2023-11-29 05:46:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:04,425 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 168 transitions. [2023-11-29 05:46:04,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 168 transitions. [2023-11-29 05:46:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 05:46:04,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:04,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:04,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 05:46:04,426 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:04,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash -535879959, now seen corresponding path program 1 times [2023-11-29 05:46:04,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:04,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091607069] [2023-11-29 05:46:04,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:04,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:04,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:04,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091607069] [2023-11-29 05:46:04,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091607069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:04,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:04,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:46:04,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450886672] [2023-11-29 05:46:04,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:04,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:46:04,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:04,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:46:04,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:46:04,594 INFO L87 Difference]: Start difference. First operand 137 states and 168 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:04,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:04,973 INFO L93 Difference]: Finished difference Result 295 states and 382 transitions. [2023-11-29 05:46:04,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:46:04,974 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2023-11-29 05:46:04,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:04,975 INFO L225 Difference]: With dead ends: 295 [2023-11-29 05:46:04,975 INFO L226 Difference]: Without dead ends: 221 [2023-11-29 05:46:04,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:46:04,976 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 450 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:04,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 542 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:46:04,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-11-29 05:46:04,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 137. [2023-11-29 05:46:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 135 states have (on average 1.237037037037037) internal successors, (167), 136 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 167 transitions. [2023-11-29 05:46:04,980 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 167 transitions. Word has length 69 [2023-11-29 05:46:04,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:04,980 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 167 transitions. [2023-11-29 05:46:04,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 167 transitions. [2023-11-29 05:46:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 05:46:04,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:04,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:04,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 05:46:04,982 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:04,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:04,982 INFO L85 PathProgramCache]: Analyzing trace with hash 134483598, now seen corresponding path program 1 times [2023-11-29 05:46:04,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:04,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251702671] [2023-11-29 05:46:04,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:04,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:06,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:06,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251702671] [2023-11-29 05:46:06,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251702671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:06,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:06,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 05:46:06,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540638823] [2023-11-29 05:46:06,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:06,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 05:46:06,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:06,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 05:46:06,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2023-11-29 05:46:06,337 INFO L87 Difference]: Start difference. First operand 137 states and 167 transitions. Second operand has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:09,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:09,102 INFO L93 Difference]: Finished difference Result 708 states and 950 transitions. [2023-11-29 05:46:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 05:46:09,103 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-29 05:46:09,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:09,105 INFO L225 Difference]: With dead ends: 708 [2023-11-29 05:46:09,105 INFO L226 Difference]: Without dead ends: 702 [2023-11-29 05:46:09,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 05:46:09,107 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 1331 mSDsluCounter, 6271 mSDsCounter, 0 mSdLazyCounter, 2995 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 6730 SdHoareTripleChecker+Invalid, 2995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:09,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 6730 Invalid, 2995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2995 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 05:46:09,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-11-29 05:46:09,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 156. [2023-11-29 05:46:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 154 states have (on average 1.2337662337662338) internal successors, (190), 155 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2023-11-29 05:46:09,114 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 71 [2023-11-29 05:46:09,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:09,114 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2023-11-29 05:46:09,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2023-11-29 05:46:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 05:46:09,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:09,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:09,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 05:46:09,116 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:09,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:09,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1358946869, now seen corresponding path program 1 times [2023-11-29 05:46:09,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:09,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661915290] [2023-11-29 05:46:09,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:09,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:09,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:09,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661915290] [2023-11-29 05:46:09,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661915290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:09,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:09,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:46:09,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176935039] [2023-11-29 05:46:09,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:09,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:46:09,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:09,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:46:09,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:46:09,624 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:10,165 INFO L93 Difference]: Finished difference Result 349 states and 461 transitions. [2023-11-29 05:46:10,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 05:46:10,166 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-11-29 05:46:10,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:10,168 INFO L225 Difference]: With dead ends: 349 [2023-11-29 05:46:10,168 INFO L226 Difference]: Without dead ends: 343 [2023-11-29 05:46:10,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2023-11-29 05:46:10,169 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 880 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:10,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 1904 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:46:10,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-11-29 05:46:10,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 131. [2023-11-29 05:46:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.2384615384615385) internal successors, (161), 130 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 161 transitions. [2023-11-29 05:46:10,173 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 161 transitions. Word has length 72 [2023-11-29 05:46:10,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:10,173 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 161 transitions. [2023-11-29 05:46:10,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 161 transitions. [2023-11-29 05:46:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 05:46:10,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:10,174 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:10,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 05:46:10,175 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:10,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:10,175 INFO L85 PathProgramCache]: Analyzing trace with hash -668672694, now seen corresponding path program 1 times [2023-11-29 05:46:10,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:10,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971468526] [2023-11-29 05:46:10,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:10,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:10,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:10,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971468526] [2023-11-29 05:46:10,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971468526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:10,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:10,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:46:10,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073631075] [2023-11-29 05:46:10,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:10,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:46:10,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:10,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:46:10,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:46:10,288 INFO L87 Difference]: Start difference. First operand 131 states and 161 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:10,401 INFO L93 Difference]: Finished difference Result 563 states and 793 transitions. [2023-11-29 05:46:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:46:10,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-11-29 05:46:10,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:10,404 INFO L225 Difference]: With dead ends: 563 [2023-11-29 05:46:10,404 INFO L226 Difference]: Without dead ends: 509 [2023-11-29 05:46:10,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:46:10,405 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 896 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:10,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 942 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:46:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2023-11-29 05:46:10,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 183. [2023-11-29 05:46:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 182 states have (on average 1.3021978021978022) internal successors, (237), 182 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 237 transitions. [2023-11-29 05:46:10,410 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 237 transitions. Word has length 95 [2023-11-29 05:46:10,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:10,410 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 237 transitions. [2023-11-29 05:46:10,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 237 transitions. [2023-11-29 05:46:10,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 05:46:10,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:10,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:10,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 05:46:10,411 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:10,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:10,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1525557505, now seen corresponding path program 1 times [2023-11-29 05:46:10,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:10,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669373429] [2023-11-29 05:46:10,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:10,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:10,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:10,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669373429] [2023-11-29 05:46:10,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669373429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:10,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:10,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:46:10,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140400639] [2023-11-29 05:46:10,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:10,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:46:10,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:10,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:46:10,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:46:10,514 INFO L87 Difference]: Start difference. First operand 183 states and 237 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:10,583 INFO L93 Difference]: Finished difference Result 661 states and 934 transitions. [2023-11-29 05:46:10,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:46:10,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-11-29 05:46:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:10,586 INFO L225 Difference]: With dead ends: 661 [2023-11-29 05:46:10,586 INFO L226 Difference]: Without dead ends: 555 [2023-11-29 05:46:10,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:46:10,587 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 648 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:10,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 662 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:10,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2023-11-29 05:46:10,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 287. [2023-11-29 05:46:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.3636363636363635) internal successors, (390), 286 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 390 transitions. [2023-11-29 05:46:10,595 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 390 transitions. Word has length 97 [2023-11-29 05:46:10,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:10,596 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 390 transitions. [2023-11-29 05:46:10,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 390 transitions. [2023-11-29 05:46:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 05:46:10,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:10,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:10,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 05:46:10,597 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:10,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash -696655454, now seen corresponding path program 1 times [2023-11-29 05:46:10,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:10,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805053684] [2023-11-29 05:46:10,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:10,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:10,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:10,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805053684] [2023-11-29 05:46:10,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805053684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:10,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:10,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:46:10,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490889844] [2023-11-29 05:46:10,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:10,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:46:10,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:10,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:46:10,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:46:10,820 INFO L87 Difference]: Start difference. First operand 287 states and 390 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:10,908 INFO L93 Difference]: Finished difference Result 499 states and 699 transitions. [2023-11-29 05:46:10,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:46:10,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-11-29 05:46:10,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:10,911 INFO L225 Difference]: With dead ends: 499 [2023-11-29 05:46:10,911 INFO L226 Difference]: Without dead ends: 289 [2023-11-29 05:46:10,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:46:10,912 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 198 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:10,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 375 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:10,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-29 05:46:10,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 287. [2023-11-29 05:46:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.3566433566433567) internal successors, (388), 286 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 388 transitions. [2023-11-29 05:46:10,919 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 388 transitions. Word has length 97 [2023-11-29 05:46:10,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:10,919 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 388 transitions. [2023-11-29 05:46:10,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2023-11-29 05:46:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 05:46:10,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:10,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:10,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 05:46:10,921 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:10,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:10,921 INFO L85 PathProgramCache]: Analyzing trace with hash -763148966, now seen corresponding path program 1 times [2023-11-29 05:46:10,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:10,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833545325] [2023-11-29 05:46:10,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:10,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:10,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:10,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833545325] [2023-11-29 05:46:10,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833545325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:10,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:10,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:46:10,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242505415] [2023-11-29 05:46:10,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:10,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:10,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:10,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:10,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:10,981 INFO L87 Difference]: Start difference. First operand 287 states and 388 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:11,006 INFO L93 Difference]: Finished difference Result 681 states and 956 transitions. [2023-11-29 05:46:11,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:11,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-11-29 05:46:11,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:11,009 INFO L225 Difference]: With dead ends: 681 [2023-11-29 05:46:11,009 INFO L226 Difference]: Without dead ends: 471 [2023-11-29 05:46:11,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:11,010 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 66 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:11,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 369 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:11,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-11-29 05:46:11,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 469. [2023-11-29 05:46:11,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 468 states have (on average 1.3696581196581197) internal successors, (641), 468 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 641 transitions. [2023-11-29 05:46:11,021 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 641 transitions. Word has length 97 [2023-11-29 05:46:11,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:11,021 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 641 transitions. [2023-11-29 05:46:11,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 641 transitions. [2023-11-29 05:46:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 05:46:11,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:11,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:11,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 05:46:11,023 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:11,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:11,023 INFO L85 PathProgramCache]: Analyzing trace with hash -713677567, now seen corresponding path program 1 times [2023-11-29 05:46:11,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:11,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207308878] [2023-11-29 05:46:11,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:11,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:11,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:11,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207308878] [2023-11-29 05:46:11,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207308878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:11,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:11,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:46:11,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577881510] [2023-11-29 05:46:11,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:11,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:46:11,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:11,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:46:11,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:46:11,178 INFO L87 Difference]: Start difference. First operand 469 states and 641 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:11,273 INFO L93 Difference]: Finished difference Result 1357 states and 1905 transitions. [2023-11-29 05:46:11,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:46:11,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-11-29 05:46:11,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:11,278 INFO L225 Difference]: With dead ends: 1357 [2023-11-29 05:46:11,278 INFO L226 Difference]: Without dead ends: 1160 [2023-11-29 05:46:11,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:46:11,280 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 613 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:11,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 689 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:46:11,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2023-11-29 05:46:11,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 762. [2023-11-29 05:46:11,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 761 states have (on average 1.390275952693824) internal successors, (1058), 761 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1058 transitions. [2023-11-29 05:46:11,301 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1058 transitions. Word has length 97 [2023-11-29 05:46:11,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:11,301 INFO L495 AbstractCegarLoop]: Abstraction has 762 states and 1058 transitions. [2023-11-29 05:46:11,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,301 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1058 transitions. [2023-11-29 05:46:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 05:46:11,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:11,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:11,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 05:46:11,303 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:11,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:11,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1161471745, now seen corresponding path program 1 times [2023-11-29 05:46:11,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:11,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137075215] [2023-11-29 05:46:11,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:11,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:11,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:11,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137075215] [2023-11-29 05:46:11,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137075215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:11,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:11,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:46:11,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357292874] [2023-11-29 05:46:11,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:11,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:46:11,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:11,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:46:11,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:46:11,446 INFO L87 Difference]: Start difference. First operand 762 states and 1058 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:11,544 INFO L93 Difference]: Finished difference Result 1552 states and 2183 transitions. [2023-11-29 05:46:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:46:11,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-11-29 05:46:11,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:11,551 INFO L225 Difference]: With dead ends: 1552 [2023-11-29 05:46:11,551 INFO L226 Difference]: Without dead ends: 1355 [2023-11-29 05:46:11,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:46:11,552 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 585 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:11,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 731 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:46:11,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2023-11-29 05:46:11,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 957. [2023-11-29 05:46:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 956 states have (on average 1.397489539748954) internal successors, (1336), 956 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1336 transitions. [2023-11-29 05:46:11,576 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1336 transitions. Word has length 97 [2023-11-29 05:46:11,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:11,577 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1336 transitions. [2023-11-29 05:46:11,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,577 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1336 transitions. [2023-11-29 05:46:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 05:46:11,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:11,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:11,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 05:46:11,579 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:11,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:11,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2028950783, now seen corresponding path program 1 times [2023-11-29 05:46:11,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:11,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898072218] [2023-11-29 05:46:11,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:11,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:11,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898072218] [2023-11-29 05:46:11,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898072218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:11,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:11,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:46:11,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948814914] [2023-11-29 05:46:11,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:11,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:46:11,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:11,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:46:11,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:46:11,718 INFO L87 Difference]: Start difference. First operand 957 states and 1336 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:11,808 INFO L93 Difference]: Finished difference Result 1747 states and 2461 transitions. [2023-11-29 05:46:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:46:11,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-11-29 05:46:11,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:11,816 INFO L225 Difference]: With dead ends: 1747 [2023-11-29 05:46:11,816 INFO L226 Difference]: Without dead ends: 1550 [2023-11-29 05:46:11,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:46:11,818 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 643 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:11,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 752 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:46:11,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2023-11-29 05:46:11,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1152. [2023-11-29 05:46:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1151 states have (on average 1.4022589052997394) internal successors, (1614), 1151 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1614 transitions. [2023-11-29 05:46:11,845 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1614 transitions. Word has length 97 [2023-11-29 05:46:11,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:11,845 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1614 transitions. [2023-11-29 05:46:11,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1614 transitions. [2023-11-29 05:46:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 05:46:11,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:11,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:11,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 05:46:11,847 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:11,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:11,848 INFO L85 PathProgramCache]: Analyzing trace with hash -567395912, now seen corresponding path program 1 times [2023-11-29 05:46:11,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:11,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63271115] [2023-11-29 05:46:11,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:11,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:11,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:11,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63271115] [2023-11-29 05:46:11,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63271115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:11,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:11,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:46:11,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579658856] [2023-11-29 05:46:11,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:11,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:11,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:11,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:11,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:11,957 INFO L87 Difference]: Start difference. First operand 1152 states and 1614 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:11,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:11,979 INFO L93 Difference]: Finished difference Result 2884 states and 4061 transitions. [2023-11-29 05:46:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:11,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-11-29 05:46:11,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:11,988 INFO L225 Difference]: With dead ends: 2884 [2023-11-29 05:46:11,989 INFO L226 Difference]: Without dead ends: 1809 [2023-11-29 05:46:11,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:11,990 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 77 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:11,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 341 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:11,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2023-11-29 05:46:12,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1719. [2023-11-29 05:46:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1719 states, 1718 states have (on average 1.3946449359720605) internal successors, (2396), 1718 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2396 transitions. [2023-11-29 05:46:12,015 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2396 transitions. Word has length 98 [2023-11-29 05:46:12,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:12,015 INFO L495 AbstractCegarLoop]: Abstraction has 1719 states and 2396 transitions. [2023-11-29 05:46:12,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2396 transitions. [2023-11-29 05:46:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 05:46:12,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:12,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:12,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 05:46:12,016 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:12,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:12,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1064867383, now seen corresponding path program 1 times [2023-11-29 05:46:12,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:12,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521048021] [2023-11-29 05:46:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:12,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:12,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:12,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:12,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521048021] [2023-11-29 05:46:12,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521048021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:12,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:12,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:46:12,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762103261] [2023-11-29 05:46:12,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:12,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:12,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:12,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:12,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:12,098 INFO L87 Difference]: Start difference. First operand 1719 states and 2396 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:12,121 INFO L93 Difference]: Finished difference Result 4871 states and 6793 transitions. [2023-11-29 05:46:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:12,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-11-29 05:46:12,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:12,133 INFO L225 Difference]: With dead ends: 4871 [2023-11-29 05:46:12,133 INFO L226 Difference]: Without dead ends: 3229 [2023-11-29 05:46:12,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:12,135 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 70 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:12,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 342 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3229 states. [2023-11-29 05:46:12,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3229 to 3095. [2023-11-29 05:46:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 3094 states have (on average 1.383322559793148) internal successors, (4280), 3094 states have internal predecessors, (4280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 4280 transitions. [2023-11-29 05:46:12,174 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 4280 transitions. Word has length 99 [2023-11-29 05:46:12,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:12,174 INFO L495 AbstractCegarLoop]: Abstraction has 3095 states and 4280 transitions. [2023-11-29 05:46:12,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 4280 transitions. [2023-11-29 05:46:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 05:46:12,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:12,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:12,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 05:46:12,176 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:12,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:12,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1967013372, now seen corresponding path program 1 times [2023-11-29 05:46:12,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:12,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248185979] [2023-11-29 05:46:12,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:12,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:12,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:12,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248185979] [2023-11-29 05:46:12,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248185979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:12,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:12,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:46:12,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497069897] [2023-11-29 05:46:12,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:12,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:12,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:12,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:12,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:12,255 INFO L87 Difference]: Start difference. First operand 3095 states and 4280 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:12,296 INFO L93 Difference]: Finished difference Result 8867 states and 12214 transitions. [2023-11-29 05:46:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:12,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2023-11-29 05:46:12,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:12,325 INFO L225 Difference]: With dead ends: 8867 [2023-11-29 05:46:12,325 INFO L226 Difference]: Without dead ends: 5849 [2023-11-29 05:46:12,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:12,330 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 63 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:12,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 342 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:12,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5849 states. [2023-11-29 05:46:12,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5849 to 5583. [2023-11-29 05:46:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5582 states have (on average 1.3649229666786098) internal successors, (7619), 5582 states have internal predecessors, (7619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 7619 transitions. [2023-11-29 05:46:12,408 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 7619 transitions. Word has length 100 [2023-11-29 05:46:12,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:12,409 INFO L495 AbstractCegarLoop]: Abstraction has 5583 states and 7619 transitions. [2023-11-29 05:46:12,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 7619 transitions. [2023-11-29 05:46:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 05:46:12,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:12,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:12,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 05:46:12,410 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:12,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:12,411 INFO L85 PathProgramCache]: Analyzing trace with hash 28912981, now seen corresponding path program 1 times [2023-11-29 05:46:12,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:12,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490820676] [2023-11-29 05:46:12,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:12,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:12,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:12,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490820676] [2023-11-29 05:46:12,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490820676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:12,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:12,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:46:12,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503521929] [2023-11-29 05:46:12,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:12,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:12,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:12,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:12,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:12,495 INFO L87 Difference]: Start difference. First operand 5583 states and 7619 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:12,545 INFO L93 Difference]: Finished difference Result 16067 states and 21769 transitions. [2023-11-29 05:46:12,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:12,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2023-11-29 05:46:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:12,563 INFO L225 Difference]: With dead ends: 16067 [2023-11-29 05:46:12,563 INFO L226 Difference]: Without dead ends: 10561 [2023-11-29 05:46:12,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:12,569 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 53 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:12,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 341 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:12,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10561 states. [2023-11-29 05:46:12,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10561 to 10031. [2023-11-29 05:46:12,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10031 states, 10030 states have (on average 1.3398803589232302) internal successors, (13439), 10030 states have internal predecessors, (13439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 13439 transitions. [2023-11-29 05:46:12,680 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 13439 transitions. Word has length 101 [2023-11-29 05:46:12,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:12,681 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 13439 transitions. [2023-11-29 05:46:12,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 13439 transitions. [2023-11-29 05:46:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 05:46:12,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:12,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:12,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 05:46:12,682 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:12,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:12,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1790582352, now seen corresponding path program 1 times [2023-11-29 05:46:12,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:12,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138800673] [2023-11-29 05:46:12,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:12,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:12,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:12,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138800673] [2023-11-29 05:46:12,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138800673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:12,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:12,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:46:12,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691100386] [2023-11-29 05:46:12,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:12,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:46:12,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:12,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:46:12,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:46:12,899 INFO L87 Difference]: Start difference. First operand 10031 states and 13439 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:12,977 INFO L93 Difference]: Finished difference Result 15537 states and 20746 transitions. [2023-11-29 05:46:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:46:12,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2023-11-29 05:46:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:13,007 INFO L225 Difference]: With dead ends: 15537 [2023-11-29 05:46:13,007 INFO L226 Difference]: Without dead ends: 15535 [2023-11-29 05:46:13,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:46:13,012 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 259 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:13,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 809 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:13,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15535 states. [2023-11-29 05:46:13,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15535 to 10271. [2023-11-29 05:46:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10271 states, 10270 states have (on average 1.3225900681596885) internal successors, (13583), 10270 states have internal predecessors, (13583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10271 states to 10271 states and 13583 transitions. [2023-11-29 05:46:13,198 INFO L78 Accepts]: Start accepts. Automaton has 10271 states and 13583 transitions. Word has length 102 [2023-11-29 05:46:13,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:13,198 INFO L495 AbstractCegarLoop]: Abstraction has 10271 states and 13583 transitions. [2023-11-29 05:46:13,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 10271 states and 13583 transitions. [2023-11-29 05:46:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 05:46:13,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:13,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:13,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 05:46:13,199 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:13,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:13,200 INFO L85 PathProgramCache]: Analyzing trace with hash 193814543, now seen corresponding path program 1 times [2023-11-29 05:46:13,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:13,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372915326] [2023-11-29 05:46:13,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:13,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:13,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:13,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372915326] [2023-11-29 05:46:13,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372915326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:13,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:13,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:46:13,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681172564] [2023-11-29 05:46:13,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:13,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:13,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:13,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:13,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:13,264 INFO L87 Difference]: Start difference. First operand 10271 states and 13583 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:13,320 INFO L93 Difference]: Finished difference Result 20787 states and 27513 transitions. [2023-11-29 05:46:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:13,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2023-11-29 05:46:13,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:13,342 INFO L225 Difference]: With dead ends: 20787 [2023-11-29 05:46:13,343 INFO L226 Difference]: Without dead ends: 10593 [2023-11-29 05:46:13,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:13,353 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 85 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:13,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 285 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:46:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10593 states. [2023-11-29 05:46:13,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10593 to 10591. [2023-11-29 05:46:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10591 states, 10590 states have (on average 1.3056657223796033) internal successors, (13827), 10590 states have internal predecessors, (13827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10591 states to 10591 states and 13827 transitions. [2023-11-29 05:46:13,513 INFO L78 Accepts]: Start accepts. Automaton has 10591 states and 13827 transitions. Word has length 102 [2023-11-29 05:46:13,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:13,513 INFO L495 AbstractCegarLoop]: Abstraction has 10591 states and 13827 transitions. [2023-11-29 05:46:13,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 10591 states and 13827 transitions. [2023-11-29 05:46:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 05:46:13,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:13,518 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:13,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 05:46:13,518 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:13,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash -788506636, now seen corresponding path program 1 times [2023-11-29 05:46:13,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:13,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224447407] [2023-11-29 05:46:13,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:13,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:14,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:14,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224447407] [2023-11-29 05:46:14,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224447407] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:46:14,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599800981] [2023-11-29 05:46:14,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:14,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:46:14,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:46:14,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:46:14,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:46:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:14,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 05:46:14,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:15,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:46:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:16,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599800981] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:46:16,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:46:16,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2023-11-29 05:46:16,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628948245] [2023-11-29 05:46:16,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:46:16,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 05:46:16,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:16,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 05:46:16,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2023-11-29 05:46:16,685 INFO L87 Difference]: Start difference. First operand 10591 states and 13827 transitions. Second operand has 27 states, 27 states have (on average 11.407407407407407) internal successors, (308), 26 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:40,971 INFO L93 Difference]: Finished difference Result 245136 states and 313467 transitions. [2023-11-29 05:46:40,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2023-11-29 05:46:40,972 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 11.407407407407407) internal successors, (308), 26 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2023-11-29 05:46:40,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:41,282 INFO L225 Difference]: With dead ends: 245136 [2023-11-29 05:46:41,283 INFO L226 Difference]: Without dead ends: 234622 [2023-11-29 05:46:41,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59682 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=14696, Invalid=121834, Unknown=0, NotChecked=0, Total=136530 [2023-11-29 05:46:41,347 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 13315 mSDsluCounter, 4827 mSDsCounter, 0 mSdLazyCounter, 4872 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13315 SdHoareTripleChecker+Valid, 5165 SdHoareTripleChecker+Invalid, 4940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:41,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13315 Valid, 5165 Invalid, 4940 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 4872 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 05:46:41,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234622 states. [2023-11-29 05:46:43,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234622 to 54886. [2023-11-29 05:46:43,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54886 states, 54885 states have (on average 1.2949621936776896) internal successors, (71074), 54885 states have internal predecessors, (71074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54886 states to 54886 states and 71074 transitions. [2023-11-29 05:46:43,547 INFO L78 Accepts]: Start accepts. Automaton has 54886 states and 71074 transitions. Word has length 129 [2023-11-29 05:46:43,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:43,547 INFO L495 AbstractCegarLoop]: Abstraction has 54886 states and 71074 transitions. [2023-11-29 05:46:43,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 11.407407407407407) internal successors, (308), 26 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:46:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 54886 states and 71074 transitions. [2023-11-29 05:46:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 05:46:43,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:43,558 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:46:43,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:46:43,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-11-29 05:46:43,759 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:46:43,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:43,761 INFO L85 PathProgramCache]: Analyzing trace with hash -335931365, now seen corresponding path program 1 times [2023-11-29 05:46:43,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:46:43,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7248749] [2023-11-29 05:46:43,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:43,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:46:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:44,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:46:44,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7248749] [2023-11-29 05:46:44,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7248749] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:46:44,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095787053] [2023-11-29 05:46:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:44,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:46:44,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:46:44,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:46:44,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:46:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:44,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 05:46:44,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:45,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:46:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:46:46,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095787053] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:46:46,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:46:46,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 30 [2023-11-29 05:46:46,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56061436] [2023-11-29 05:46:46,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:46:46,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-29 05:46:46,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:46:46,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 05:46:46,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2023-11-29 05:46:46,535 INFO L87 Difference]: Start difference. First operand 54886 states and 71074 transitions. Second operand has 30 states, 30 states have (on average 11.8) internal successors, (354), 30 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:50:39,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:50:39,484 INFO L93 Difference]: Finished difference Result 961095 states and 1221596 transitions. [2023-11-29 05:50:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2083 states. [2023-11-29 05:50:39,484 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 11.8) internal successors, (354), 30 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2023-11-29 05:50:39,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:50:41,026 INFO L225 Difference]: With dead ends: 961095 [2023-11-29 05:50:41,027 INFO L226 Difference]: Without dead ends: 906323 [2023-11-29 05:50:41,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2352 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 2109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2270058 ImplicationChecksByTransitivity, 212.1s TimeCoverageRelationStatistics Valid=281303, Invalid=4172907, Unknown=0, NotChecked=0, Total=4454210 [2023-11-29 05:50:41,451 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 62247 mSDsluCounter, 5015 mSDsCounter, 0 mSdLazyCounter, 6365 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62247 SdHoareTripleChecker+Valid, 5423 SdHoareTripleChecker+Invalid, 6966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 6365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:50:41,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62247 Valid, 5423 Invalid, 6966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [601 Valid, 6365 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-29 05:50:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906323 states. [2023-11-29 05:50:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906323 to 132310. [2023-11-29 05:50:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132310 states, 132309 states have (on average 1.2901465508771135) internal successors, (170698), 132309 states have internal predecessors, (170698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:50:48,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132310 states to 132310 states and 170698 transitions. [2023-11-29 05:50:48,137 INFO L78 Accepts]: Start accepts. Automaton has 132310 states and 170698 transitions. Word has length 130 [2023-11-29 05:50:48,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:50:48,137 INFO L495 AbstractCegarLoop]: Abstraction has 132310 states and 170698 transitions. [2023-11-29 05:50:48,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 11.8) internal successors, (354), 30 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:50:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 132310 states and 170698 transitions. [2023-11-29 05:50:48,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 05:50:48,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:50:48,151 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:50:48,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:50:48,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-11-29 05:50:48,352 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:50:48,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:50:48,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1748667743, now seen corresponding path program 1 times [2023-11-29 05:50:48,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:50:48,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029782772] [2023-11-29 05:50:48,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:50:48,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:50:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:50:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 05:50:48,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:50:48,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029782772] [2023-11-29 05:50:48,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029782772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:50:48,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:50:48,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:50:48,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624267741] [2023-11-29 05:50:48,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:50:48,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:50:48,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:50:48,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:50:48,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:50:48,579 INFO L87 Difference]: Start difference. First operand 132310 states and 170698 transitions. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:50:50,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:50:50,590 INFO L93 Difference]: Finished difference Result 399974 states and 515116 transitions. [2023-11-29 05:50:50,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:50:50,591 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2023-11-29 05:50:50,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:50:51,155 INFO L225 Difference]: With dead ends: 399974 [2023-11-29 05:50:51,155 INFO L226 Difference]: Without dead ends: 267802 [2023-11-29 05:50:51,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:50:51,219 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 416 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:50:51,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 496 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:50:51,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267802 states. [2023-11-29 05:50:53,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267802 to 132310. [2023-11-29 05:50:53,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132310 states, 132309 states have (on average 1.290116318617781) internal successors, (170694), 132309 states have internal predecessors, (170694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:50:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132310 states to 132310 states and 170694 transitions. [2023-11-29 05:50:53,865 INFO L78 Accepts]: Start accepts. Automaton has 132310 states and 170694 transitions. Word has length 131 [2023-11-29 05:50:53,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:50:53,866 INFO L495 AbstractCegarLoop]: Abstraction has 132310 states and 170694 transitions. [2023-11-29 05:50:53,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:50:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 132310 states and 170694 transitions. [2023-11-29 05:50:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 05:50:53,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:50:53,883 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:50:53,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 05:50:53,884 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-11-29 05:50:53,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:50:53,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1345678582, now seen corresponding path program 1 times [2023-11-29 05:50:53,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:50:53,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732474175] [2023-11-29 05:50:53,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:50:53,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:50:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:50:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:50:54,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:50:54,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732474175] [2023-11-29 05:50:54,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732474175] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:50:54,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512310901] [2023-11-29 05:50:54,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:50:54,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:50:54,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:50:54,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:50:54,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0d64f3e-e367-4e2c-88ac-ff18b54842d0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:50:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:50:54,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 05:50:54,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:50:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:50:56,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:50:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:50:59,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512310901] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:50:59,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:50:59,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 16] total 41 [2023-11-29 05:50:59,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059694088] [2023-11-29 05:50:59,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:50:59,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-29 05:50:59,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:50:59,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-29 05:50:59,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 05:50:59,587 INFO L87 Difference]: Start difference. First operand 132310 states and 170694 transitions. Second operand has 41 states, 41 states have (on average 8.707317073170731) internal successors, (357), 41 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)