./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC --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 f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:57:34,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:57:35,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:57:35,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:57:35,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:57:35,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:57:35,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:57:35,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:57:35,052 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:57:35,052 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:57:35,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:57:35,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:57:35,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:57:35,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:57:35,054 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:57:35,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:57:35,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:57:35,054 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:57:35,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:57:35,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:57:35,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:57:35,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:57:35,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:57:35,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:57:35,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:57:35,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:57:35,056 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:57:35,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:57:35,056 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:57:35,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:57:35,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:57:35,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:57:35,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:57:35,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:57:35,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:57:35,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:57:35,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:57:35,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:57:35,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:57:35,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:57:35,059 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:57:35,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:57:35,059 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:57:35,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:57:35,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:57:35,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:57:35,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:57:35,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:57:35,060 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC 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 -> f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b [2024-11-24 01:57:35,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:57:35,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:57:35,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:57:35,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:57:35,465 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:57:35,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-11-24 01:57:38,869 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/data/4cf3e4b89/0ce30b3a9de245c0a09c5356b616ca51/FLAGa7b013eee [2024-11-24 01:57:39,315 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:57:39,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-11-24 01:57:39,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/data/4cf3e4b89/0ce30b3a9de245c0a09c5356b616ca51/FLAGa7b013eee [2024-11-24 01:57:39,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/data/4cf3e4b89/0ce30b3a9de245c0a09c5356b616ca51 [2024-11-24 01:57:39,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:57:39,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:57:39,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:57:39,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:57:39,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:57:39,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:57:39" (1/1) ... [2024-11-24 01:57:39,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce8fa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:39, skipping insertion in model container [2024-11-24 01:57:39,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:57:39" (1/1) ... [2024-11-24 01:57:39,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:57:39,761 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2024-11-24 01:57:39,771 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2024-11-24 01:57:39,777 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2024-11-24 01:57:39,779 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2024-11-24 01:57:39,784 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2024-11-24 01:57:39,786 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2024-11-24 01:57:39,789 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2024-11-24 01:57:39,791 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2024-11-24 01:57:39,793 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2024-11-24 01:57:39,795 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2024-11-24 01:57:39,797 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2024-11-24 01:57:39,799 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2024-11-24 01:57:39,801 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2024-11-24 01:57:39,803 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2024-11-24 01:57:40,141 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2024-11-24 01:57:40,144 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2024-11-24 01:57:40,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:57:40,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:57:40,199 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2024-11-24 01:57:40,200 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2024-11-24 01:57:40,205 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2024-11-24 01:57:40,206 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2024-11-24 01:57:40,207 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2024-11-24 01:57:40,211 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2024-11-24 01:57:40,213 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2024-11-24 01:57:40,214 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2024-11-24 01:57:40,216 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2024-11-24 01:57:40,217 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2024-11-24 01:57:40,218 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2024-11-24 01:57:40,220 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2024-11-24 01:57:40,222 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2024-11-24 01:57:40,223 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2024-11-24 01:57:40,409 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2024-11-24 01:57:40,412 WARN L250 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_41662396-b863-47bb-9727-8c5784e4f2b9/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2024-11-24 01:57:40,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:57:40,437 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:57:40,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40 WrapperNode [2024-11-24 01:57:40,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:57:40,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:57:40,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:57:40,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:57:40,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,551 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2017 [2024-11-24 01:57:40,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:57:40,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:57:40,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:57:40,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:57:40,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,619 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]. [2024-11-24 01:57:40,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:57:40,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:57:40,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:57:40,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:57:40,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (1/1) ... [2024-11-24 01:57:40,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:57:40,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:57:40,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:57:40,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:57:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:57:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:57:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:57:40,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:57:41,013 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:57:41,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:57:42,823 INFO L? ?]: Removed 607 outVars from TransFormulas that were not future-live. [2024-11-24 01:57:42,824 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:57:42,857 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:57:42,862 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:57:42,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:57:42 BoogieIcfgContainer [2024-11-24 01:57:42,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:57:42,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:57:42,867 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:57:42,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:57:42,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:57:39" (1/3) ... [2024-11-24 01:57:42,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18155a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:57:42, skipping insertion in model container [2024-11-24 01:57:42,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:40" (2/3) ... [2024-11-24 01:57:42,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18155a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:57:42, skipping insertion in model container [2024-11-24 01:57:42,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:57:42" (3/3) ... [2024-11-24 01:57:42,883 INFO L128 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2024-11-24 01:57:42,904 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:57:42,906 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG apache-get-tag.i.p+nlh-reducer.c that has 1 procedures, 304 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2024-11-24 01:57:43,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:57:43,038 INFO L333 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, 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;@e6d8b1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:57:43,038 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-24 01:57:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 304 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 01:57:43,048 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:43,048 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:43,049 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:43,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2024-11-24 01:57:43,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:43,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787924989] [2024-11-24 01:57:43,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:43,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:43,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:43,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787924989] [2024-11-24 01:57:43,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787924989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:43,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:43,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:57:43,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440101390] [2024-11-24 01:57:43,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:43,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:57:43,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:43,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:57:43,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:57:43,383 INFO L87 Difference]: Start difference. First operand has 304 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 0 states have call successors, (0), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:44,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:44,376 INFO L93 Difference]: Finished difference Result 308 states and 568 transitions. [2024-11-24 01:57:44,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:57:44,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-24 01:57:44,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:44,403 INFO L225 Difference]: With dead ends: 308 [2024-11-24 01:57:44,403 INFO L226 Difference]: Without dead ends: 298 [2024-11-24 01:57:44,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:44,417 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 460 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:44,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 467 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:57:44,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-24 01:57:44,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-11-24 01:57:44,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 297 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:44,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 421 transitions. [2024-11-24 01:57:44,484 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 421 transitions. Word has length 7 [2024-11-24 01:57:44,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:44,485 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 421 transitions. [2024-11-24 01:57:44,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 421 transitions. [2024-11-24 01:57:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 01:57:44,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:44,486 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:44,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:57:44,486 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:44,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:44,487 INFO L85 PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times [2024-11-24 01:57:44,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:44,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447499359] [2024-11-24 01:57:44,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:44,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:44,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:44,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447499359] [2024-11-24 01:57:44,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447499359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:44,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:44,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:57:44,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049185501] [2024-11-24 01:57:44,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:44,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:57:44,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:44,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:57:44,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:44,748 INFO L87 Difference]: Start difference. First operand 298 states and 421 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:45,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:45,264 INFO L93 Difference]: Finished difference Result 305 states and 428 transitions. [2024-11-24 01:57:45,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:57:45,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-24 01:57:45,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:45,267 INFO L225 Difference]: With dead ends: 305 [2024-11-24 01:57:45,267 INFO L226 Difference]: Without dead ends: 300 [2024-11-24 01:57:45,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:45,271 INFO L435 NwaCegarLoop]: 407 mSDtfsCounter, 28 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:45,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 904 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:57:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-24 01:57:45,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 293. [2024-11-24 01:57:45,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 279 states have (on average 1.2759856630824373) internal successors, (356), 292 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:45,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2024-11-24 01:57:45,291 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2024-11-24 01:57:45,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:45,291 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2024-11-24 01:57:45,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2024-11-24 01:57:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 01:57:45,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:45,292 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:45,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:57:45,292 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:45,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:45,293 INFO L85 PathProgramCache]: Analyzing trace with hash 137513629, now seen corresponding path program 1 times [2024-11-24 01:57:45,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:45,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855349466] [2024-11-24 01:57:45,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:45,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:45,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855349466] [2024-11-24 01:57:45,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855349466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:45,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:45,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:57:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780044369] [2024-11-24 01:57:45,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:45,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:57:45,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:45,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:57:45,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:57:45,381 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:45,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:45,976 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2024-11-24 01:57:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:57:45,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-24 01:57:45,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:45,978 INFO L225 Difference]: With dead ends: 293 [2024-11-24 01:57:45,978 INFO L226 Difference]: Without dead ends: 291 [2024-11-24 01:57:45,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:45,979 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 277 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:45,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 198 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:57:45,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-24 01:57:45,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-11-24 01:57:45,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 278 states have (on average 1.2733812949640289) internal successors, (354), 290 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) [2024-11-24 01:57:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2024-11-24 01:57:46,001 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 8 [2024-11-24 01:57:46,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:46,001 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2024-11-24 01:57:46,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2024-11-24 01:57:46,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 01:57:46,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:46,002 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:46,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:57:46,002 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:46,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:46,002 INFO L85 PathProgramCache]: Analyzing trace with hash -32040723, now seen corresponding path program 1 times [2024-11-24 01:57:46,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:46,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758549473] [2024-11-24 01:57:46,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:46,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:46,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:46,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758549473] [2024-11-24 01:57:46,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758549473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:46,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:46,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:57:46,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615512645] [2024-11-24 01:57:46,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:46,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:57:46,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:46,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:57:46,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:57:46,179 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:46,666 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2024-11-24 01:57:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:57:46,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-24 01:57:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:46,668 INFO L225 Difference]: With dead ends: 296 [2024-11-24 01:57:46,668 INFO L226 Difference]: Without dead ends: 294 [2024-11-24 01:57:46,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:46,670 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 3 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:46,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 785 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:57:46,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-24 01:57:46,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-24 01:57:46,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 281 states have (on average 1.2704626334519573) internal successors, (357), 293 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) [2024-11-24 01:57:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2024-11-24 01:57:46,686 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 9 [2024-11-24 01:57:46,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:46,686 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2024-11-24 01:57:46,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:46,686 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2024-11-24 01:57:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 01:57:46,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:46,687 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:46,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:57:46,688 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:46,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:46,688 INFO L85 PathProgramCache]: Analyzing trace with hash -726236111, now seen corresponding path program 1 times [2024-11-24 01:57:46,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:46,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764990903] [2024-11-24 01:57:46,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:46,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:46,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:46,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764990903] [2024-11-24 01:57:46,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764990903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:46,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:46,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:57:46,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248154216] [2024-11-24 01:57:46,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:46,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:57:46,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:46,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:57:46,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:46,775 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:47,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:47,591 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2024-11-24 01:57:47,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:47,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-24 01:57:47,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:47,593 INFO L225 Difference]: With dead ends: 294 [2024-11-24 01:57:47,593 INFO L226 Difference]: Without dead ends: 292 [2024-11-24 01:57:47,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:47,594 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 275 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:47,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 286 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:57:47,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-24 01:57:47,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-11-24 01:57:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 280 states have (on average 1.2678571428571428) internal successors, (355), 291 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:47,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2024-11-24 01:57:47,606 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 11 [2024-11-24 01:57:47,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:47,606 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2024-11-24 01:57:47,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2024-11-24 01:57:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 01:57:47,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:47,607 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:47,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:57:47,607 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:47,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:47,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1038478869, now seen corresponding path program 1 times [2024-11-24 01:57:47,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:47,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542348555] [2024-11-24 01:57:47,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:47,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:47,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:47,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542348555] [2024-11-24 01:57:47,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542348555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:47,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:47,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:57:47,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739092628] [2024-11-24 01:57:47,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:47,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:57:47,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:47,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:57:47,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:57:47,723 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:48,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:48,182 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2024-11-24 01:57:48,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:57:48,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-24 01:57:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:48,185 INFO L225 Difference]: With dead ends: 292 [2024-11-24 01:57:48,186 INFO L226 Difference]: Without dead ends: 288 [2024-11-24 01:57:48,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:57:48,189 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 8 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:48,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 768 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:57:48,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-24 01:57:48,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-11-24 01:57:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2024-11-24 01:57:48,206 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 12 [2024-11-24 01:57:48,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:48,206 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2024-11-24 01:57:48,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2024-11-24 01:57:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 01:57:48,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:48,207 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:48,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:57:48,208 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:48,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:48,208 INFO L85 PathProgramCache]: Analyzing trace with hash -242777879, now seen corresponding path program 1 times [2024-11-24 01:57:48,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:48,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153264196] [2024-11-24 01:57:48,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:48,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:48,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:48,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153264196] [2024-11-24 01:57:48,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153264196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:48,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:48,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:57:48,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748777462] [2024-11-24 01:57:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:48,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:57:48,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:48,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:57:48,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:48,458 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:49,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:49,162 INFO L93 Difference]: Finished difference Result 313 states and 379 transitions. [2024-11-24 01:57:49,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:57:49,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-24 01:57:49,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:49,165 INFO L225 Difference]: With dead ends: 313 [2024-11-24 01:57:49,165 INFO L226 Difference]: Without dead ends: 311 [2024-11-24 01:57:49,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:57:49,168 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 31 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:49,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 831 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:57:49,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-24 01:57:49,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 288. [2024-11-24 01:57:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2024-11-24 01:57:49,181 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 13 [2024-11-24 01:57:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:49,181 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2024-11-24 01:57:49,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2024-11-24 01:57:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 01:57:49,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:49,182 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:49,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:57:49,183 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:49,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:49,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2112927996, now seen corresponding path program 1 times [2024-11-24 01:57:49,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:49,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640083952] [2024-11-24 01:57:49,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:49,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:49,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640083952] [2024-11-24 01:57:49,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640083952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:49,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:49,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:57:49,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289291173] [2024-11-24 01:57:49,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:49,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:57:49,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:49,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:57:49,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:49,288 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:50,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:50,021 INFO L93 Difference]: Finished difference Result 291 states and 354 transitions. [2024-11-24 01:57:50,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:50,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-24 01:57:50,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:50,024 INFO L225 Difference]: With dead ends: 291 [2024-11-24 01:57:50,024 INFO L226 Difference]: Without dead ends: 289 [2024-11-24 01:57:50,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:50,025 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 270 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:50,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 272 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:57:50,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-24 01:57:50,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 286. [2024-11-24 01:57:50,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 276 states have (on average 1.2644927536231885) internal successors, (349), 285 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2024-11-24 01:57:50,034 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 13 [2024-11-24 01:57:50,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:50,035 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2024-11-24 01:57:50,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:50,035 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2024-11-24 01:57:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 01:57:50,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:50,036 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:50,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:57:50,036 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:50,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:50,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2111204092, now seen corresponding path program 1 times [2024-11-24 01:57:50,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:50,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246626212] [2024-11-24 01:57:50,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:50,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:50,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:50,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246626212] [2024-11-24 01:57:50,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246626212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:50,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:50,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:57:50,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471060819] [2024-11-24 01:57:50,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:50,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:57:50,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:50,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:57:50,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:50,150 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:50,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:50,826 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2024-11-24 01:57:50,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:50,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-24 01:57:50,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:50,828 INFO L225 Difference]: With dead ends: 289 [2024-11-24 01:57:50,828 INFO L226 Difference]: Without dead ends: 287 [2024-11-24 01:57:50,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:50,829 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 268 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:50,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 266 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:57:50,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-24 01:57:50,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2024-11-24 01:57:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 275 states have (on average 1.2618181818181817) internal successors, (347), 283 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2024-11-24 01:57:50,837 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2024-11-24 01:57:50,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:50,838 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2024-11-24 01:57:50,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2024-11-24 01:57:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 01:57:50,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:50,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:50,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:57:50,839 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:50,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:50,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1076254322, now seen corresponding path program 1 times [2024-11-24 01:57:50,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:50,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151817488] [2024-11-24 01:57:50,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:51,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:51,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151817488] [2024-11-24 01:57:51,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151817488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:51,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:51,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:57:51,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784612746] [2024-11-24 01:57:51,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:51,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:57:51,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:51,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:57:51,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:51,036 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:51,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:51,647 INFO L93 Difference]: Finished difference Result 303 states and 369 transitions. [2024-11-24 01:57:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:57:51,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-24 01:57:51,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:51,649 INFO L225 Difference]: With dead ends: 303 [2024-11-24 01:57:51,649 INFO L226 Difference]: Without dead ends: 301 [2024-11-24 01:57:51,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:57:51,650 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 23 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:51,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 815 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:57:51,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-24 01:57:51,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 292. [2024-11-24 01:57:51,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 283 states have (on average 1.2614840989399294) internal successors, (357), 291 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) [2024-11-24 01:57:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2024-11-24 01:57:51,660 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 14 [2024-11-24 01:57:51,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:51,660 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2024-11-24 01:57:51,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2024-11-24 01:57:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 01:57:51,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:51,661 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:51,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:57:51,662 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:51,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:51,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1074707177, now seen corresponding path program 1 times [2024-11-24 01:57:51,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:51,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894738920] [2024-11-24 01:57:51,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:51,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:51,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894738920] [2024-11-24 01:57:51,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894738920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:51,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:51,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:57:51,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744245579] [2024-11-24 01:57:51,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:51,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:57:51,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:51,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:57:51,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:51,745 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:52,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:52,435 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2024-11-24 01:57:52,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:52,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-24 01:57:52,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:52,437 INFO L225 Difference]: With dead ends: 292 [2024-11-24 01:57:52,437 INFO L226 Difference]: Without dead ends: 290 [2024-11-24 01:57:52,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:52,439 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 265 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:52,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 260 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:57:52,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-24 01:57:52,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-24 01:57:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 282 states have (on average 1.2588652482269505) internal successors, (355), 289 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:52,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2024-11-24 01:57:52,448 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 14 [2024-11-24 01:57:52,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:52,449 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2024-11-24 01:57:52,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2024-11-24 01:57:52,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 01:57:52,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:52,450 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:52,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:57:52,450 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:52,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:52,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1022813242, now seen corresponding path program 1 times [2024-11-24 01:57:52,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:52,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789838198] [2024-11-24 01:57:52,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:52,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:52,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:52,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789838198] [2024-11-24 01:57:52,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789838198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:52,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:52,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:57:52,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474414482] [2024-11-24 01:57:52,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:52,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:57:52,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:52,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:57:52,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:52,621 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:53,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:53,184 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2024-11-24 01:57:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:57:53,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-24 01:57:53,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:53,186 INFO L225 Difference]: With dead ends: 300 [2024-11-24 01:57:53,186 INFO L226 Difference]: Without dead ends: 296 [2024-11-24 01:57:53,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:53,186 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 21 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:53,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 807 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:57:53,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-24 01:57:53,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2024-11-24 01:57:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 283 states have (on average 1.2579505300353357) internal successors, (356), 290 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2024-11-24 01:57:53,195 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 14 [2024-11-24 01:57:53,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:53,197 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2024-11-24 01:57:53,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2024-11-24 01:57:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 01:57:53,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:53,201 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:53,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:57:53,201 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:53,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:53,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1043820030, now seen corresponding path program 1 times [2024-11-24 01:57:53,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:53,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945837322] [2024-11-24 01:57:53,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:53,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:53,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:53,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945837322] [2024-11-24 01:57:53,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945837322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:53,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:53,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:57:53,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999294561] [2024-11-24 01:57:53,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:53,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:57:53,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:53,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:57:53,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:53,402 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:53,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:53,927 INFO L93 Difference]: Finished difference Result 296 states and 361 transitions. [2024-11-24 01:57:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:57:53,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-24 01:57:53,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:53,929 INFO L225 Difference]: With dead ends: 296 [2024-11-24 01:57:53,929 INFO L226 Difference]: Without dead ends: 294 [2024-11-24 01:57:53,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:57:53,930 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 17 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:53,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 811 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:57:53,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-24 01:57:53,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-24 01:57:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 286 states have (on average 1.2552447552447552) internal successors, (359), 293 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2024-11-24 01:57:53,940 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 15 [2024-11-24 01:57:53,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:53,941 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2024-11-24 01:57:53,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2024-11-24 01:57:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 01:57:53,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:53,943 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:53,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:57:53,944 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:53,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash 806842801, now seen corresponding path program 1 times [2024-11-24 01:57:53,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:53,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470365515] [2024-11-24 01:57:53,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:53,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:54,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:54,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470365515] [2024-11-24 01:57:54,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470365515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:54,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:54,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:57:54,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013884582] [2024-11-24 01:57:54,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:54,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:57:54,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:54,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:57:54,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:57:54,040 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:54,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:54,311 INFO L93 Difference]: Finished difference Result 294 states and 359 transitions. [2024-11-24 01:57:54,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:57:54,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-24 01:57:54,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:54,313 INFO L225 Difference]: With dead ends: 294 [2024-11-24 01:57:54,313 INFO L226 Difference]: Without dead ends: 292 [2024-11-24 01:57:54,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:57:54,314 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 321 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:54,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 426 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:57:54,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-24 01:57:54,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-11-24 01:57:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 285 states have (on average 1.2526315789473683) internal successors, (357), 291 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) [2024-11-24 01:57:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2024-11-24 01:57:54,326 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 16 [2024-11-24 01:57:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:54,327 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2024-11-24 01:57:54,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2024-11-24 01:57:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 01:57:54,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:54,328 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:54,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:57:54,328 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:54,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1029635725, now seen corresponding path program 1 times [2024-11-24 01:57:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:54,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101743906] [2024-11-24 01:57:54,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:54,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:54,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101743906] [2024-11-24 01:57:54,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101743906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:54,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:54,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:57:54,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081816394] [2024-11-24 01:57:54,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:54,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:57:54,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:54,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:57:54,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:54,526 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:55,223 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2024-11-24 01:57:55,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:55,223 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-24 01:57:55,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:55,225 INFO L225 Difference]: With dead ends: 292 [2024-11-24 01:57:55,225 INFO L226 Difference]: Without dead ends: 290 [2024-11-24 01:57:55,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:57:55,226 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 464 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:55,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 178 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:57:55,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-24 01:57:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2024-11-24 01:57:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.2526690391459074) internal successors, (352), 286 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2024-11-24 01:57:55,237 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 17 [2024-11-24 01:57:55,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:55,238 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2024-11-24 01:57:55,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2024-11-24 01:57:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 01:57:55,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:55,240 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:55,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:57:55,240 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:55,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:55,241 INFO L85 PathProgramCache]: Analyzing trace with hash -757672814, now seen corresponding path program 1 times [2024-11-24 01:57:55,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:55,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648605143] [2024-11-24 01:57:55,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:55,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:55,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:55,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648605143] [2024-11-24 01:57:55,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648605143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:55,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:55,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:57:55,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083881573] [2024-11-24 01:57:55,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:55,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:57:55,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:55,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:57:55,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:57:55,320 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:55,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:55,689 INFO L93 Difference]: Finished difference Result 287 states and 352 transitions. [2024-11-24 01:57:55,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:57:55,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-24 01:57:55,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:55,690 INFO L225 Difference]: With dead ends: 287 [2024-11-24 01:57:55,691 INFO L226 Difference]: Without dead ends: 283 [2024-11-24 01:57:55,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:57:55,691 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 6 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:55,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 732 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:57:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-24 01:57:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-11-24 01:57:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 278 states have (on average 1.2517985611510791) internal successors, (348), 282 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 348 transitions. [2024-11-24 01:57:55,701 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 348 transitions. Word has length 17 [2024-11-24 01:57:55,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:55,701 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 348 transitions. [2024-11-24 01:57:55,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:55,701 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2024-11-24 01:57:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 01:57:55,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:55,702 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:55,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:57:55,702 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:55,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:55,704 INFO L85 PathProgramCache]: Analyzing trace with hash -476651758, now seen corresponding path program 1 times [2024-11-24 01:57:55,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:55,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228688194] [2024-11-24 01:57:55,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:55,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:55,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:55,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228688194] [2024-11-24 01:57:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228688194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:55,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:55,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:57:55,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436546842] [2024-11-24 01:57:55,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:55,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:57:55,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:55,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:57:55,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:55,855 INFO L87 Difference]: Start difference. First operand 283 states and 348 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:56,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:56,457 INFO L93 Difference]: Finished difference Result 283 states and 348 transitions. [2024-11-24 01:57:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:56,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-24 01:57:56,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:56,459 INFO L225 Difference]: With dead ends: 283 [2024-11-24 01:57:56,459 INFO L226 Difference]: Without dead ends: 281 [2024-11-24 01:57:56,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:57:56,460 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 656 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:56,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 161 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:57:56,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-24 01:57:56,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 279. [2024-11-24 01:57:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 275 states have (on average 1.250909090909091) internal successors, (344), 278 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:56,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 344 transitions. [2024-11-24 01:57:56,468 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 344 transitions. Word has length 18 [2024-11-24 01:57:56,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:56,468 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 344 transitions. [2024-11-24 01:57:56,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 344 transitions. [2024-11-24 01:57:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 01:57:56,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:56,469 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:56,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:57:56,469 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:56,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash -423210678, now seen corresponding path program 1 times [2024-11-24 01:57:56,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:56,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182560123] [2024-11-24 01:57:56,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:56,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:56,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:56,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182560123] [2024-11-24 01:57:56,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182560123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:56,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:56,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:57:56,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14988519] [2024-11-24 01:57:56,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:56,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:57:56,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:56,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:57:56,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:56,629 INFO L87 Difference]: Start difference. First operand 279 states and 344 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:57,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:57,226 INFO L93 Difference]: Finished difference Result 279 states and 344 transitions. [2024-11-24 01:57:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:57,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-24 01:57:57,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:57,228 INFO L225 Difference]: With dead ends: 279 [2024-11-24 01:57:57,228 INFO L226 Difference]: Without dead ends: 275 [2024-11-24 01:57:57,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:57:57,229 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 656 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:57,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 153 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:57:57,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-24 01:57:57,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2024-11-24 01:57:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 272 states have (on average 1.25) internal successors, (340), 274 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 340 transitions. [2024-11-24 01:57:57,237 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 340 transitions. Word has length 18 [2024-11-24 01:57:57,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:57,237 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 340 transitions. [2024-11-24 01:57:57,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 340 transitions. [2024-11-24 01:57:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 01:57:57,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:57,238 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:57,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:57:57,239 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:57,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:57,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1997901656, now seen corresponding path program 1 times [2024-11-24 01:57:57,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:57,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458161079] [2024-11-24 01:57:57,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:57,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:57,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:57,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458161079] [2024-11-24 01:57:57,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458161079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:57,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:57,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:57:57,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769645073] [2024-11-24 01:57:57,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:57,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:57:57,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:57,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:57:57,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:57:57,372 INFO L87 Difference]: Start difference. First operand 275 states and 340 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:58,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:58,072 INFO L93 Difference]: Finished difference Result 275 states and 340 transitions. [2024-11-24 01:57:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:58,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-24 01:57:58,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:58,074 INFO L225 Difference]: With dead ends: 275 [2024-11-24 01:57:58,074 INFO L226 Difference]: Without dead ends: 250 [2024-11-24 01:57:58,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:57:58,075 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 454 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:58,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 150 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:57:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-24 01:57:58,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2024-11-24 01:57:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 248 states have (on average 1.0080645161290323) internal successors, (250), 249 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2024-11-24 01:57:58,081 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 18 [2024-11-24 01:57:58,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:58,081 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2024-11-24 01:57:58,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2024-11-24 01:57:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-24 01:57:58,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:58,087 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:58,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:57:58,088 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:57:58,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:58,089 INFO L85 PathProgramCache]: Analyzing trace with hash -707619029, now seen corresponding path program 1 times [2024-11-24 01:57:58,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:58,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951662211] [2024-11-24 01:57:58,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:58:04,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:58:04,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951662211] [2024-11-24 01:58:04,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951662211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:04,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:58:04,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2024-11-24 01:58:04,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771991037] [2024-11-24 01:58:04,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:04,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-24 01:58:04,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:58:04,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-24 01:58:04,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2024-11-24 01:58:04,034 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:58:05,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:05,002 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2024-11-24 01:58:05,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-24 01:58:05,003 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2024-11-24 01:58:05,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:05,006 INFO L225 Difference]: With dead ends: 250 [2024-11-24 01:58:05,006 INFO L226 Difference]: Without dead ends: 248 [2024-11-24 01:58:05,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2024-11-24 01:58:05,008 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 36 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:58:05,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 22 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:58:05,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-24 01:58:05,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-11-24 01:58:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.0040485829959513) internal successors, (248), 247 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:58:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2024-11-24 01:58:05,023 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 244 [2024-11-24 01:58:05,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:05,024 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2024-11-24 01:58:05,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:58:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2024-11-24 01:58:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-24 01:58:05,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:05,028 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:58:05,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 01:58:05,028 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-24 01:58:05,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:05,029 INFO L85 PathProgramCache]: Analyzing trace with hash -461348049, now seen corresponding path program 1 times [2024-11-24 01:58:05,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:58:05,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090984356] [2024-11-24 01:58:05,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:05,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:58:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:58:05,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:58:05,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090984356] [2024-11-24 01:58:05,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090984356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:05,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:58:05,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:58:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941883939] [2024-11-24 01:58:05,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:05,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:58:05,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:58:05,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:58:05,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:58:05,891 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand has 6 states, 6 states have (on average 40.833333333333336) internal successors, (245), 6 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:58:06,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:06,470 INFO L93 Difference]: Finished difference Result 248 states and 248 transitions. [2024-11-24 01:58:06,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:58:06,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.833333333333336) internal successors, (245), 6 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 245 [2024-11-24 01:58:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:06,472 INFO L225 Difference]: With dead ends: 248 [2024-11-24 01:58:06,472 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:58:06,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:58:06,474 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 421 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:58:06,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 11 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:58:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:58:06,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:58:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:58:06,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:58:06,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2024-11-24 01:58:06,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:06,476 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:58:06,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.833333333333336) internal successors, (245), 6 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:58:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:58:06,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:58:06,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2024-11-24 01:58:06,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2024-11-24 01:58:06,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2024-11-24 01:58:06,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2024-11-24 01:58:06,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2024-11-24 01:58:06,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2024-11-24 01:58:06,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2024-11-24 01:58:06,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2024-11-24 01:58:06,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2024-11-24 01:58:06,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2024-11-24 01:58:06,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2024-11-24 01:58:06,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2024-11-24 01:58:06,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2024-11-24 01:58:06,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2024-11-24 01:58:06,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2024-11-24 01:58:06,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2024-11-24 01:58:06,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 01:58:06,487 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:58:06,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:58:06,499 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:58:06,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:58:06 BoogieIcfgContainer [2024-11-24 01:58:06,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:58:06,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:58:06,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:58:06,513 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:58:06,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:57:42" (3/4) ... [2024-11-24 01:58:06,517 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:58:06,551 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-24 01:58:06,553 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 01:58:06,555 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:58:06,557 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:58:06,768 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:58:06,769 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:58:06,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:58:06,770 INFO L158 Benchmark]: Toolchain (without parser) took 27380.45ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 105.3MB in the beginning and 247.4MB in the end (delta: -142.1MB). Peak memory consumption was 155.5MB. Max. memory is 16.1GB. [2024-11-24 01:58:06,771 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:58:06,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1047.59ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 71.1MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:58:06,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.02ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 64.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:58:06,774 INFO L158 Benchmark]: Boogie Preprocessor took 127.31ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 57.0MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:58:06,774 INFO L158 Benchmark]: RCFGBuilder took 2182.46ms. Allocated memory is still 142.6MB. Free memory was 57.0MB in the beginning and 53.0MB in the end (delta: 3.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-24 01:58:06,774 INFO L158 Benchmark]: TraceAbstraction took 23645.46ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 52.3MB in the beginning and 268.2MB in the end (delta: -215.9MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2024-11-24 01:58:06,775 INFO L158 Benchmark]: Witness Printer took 255.78ms. Allocated memory is still 444.6MB. Free memory was 268.2MB in the beginning and 247.4MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:58:06,776 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1047.59ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 71.1MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.02ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 64.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.31ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 57.0MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2182.46ms. Allocated memory is still 142.6MB. Free memory was 57.0MB in the beginning and 53.0MB in the end (delta: 3.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * TraceAbstraction took 23645.46ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 52.3MB in the beginning and 268.2MB in the end (delta: -215.9MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. * Witness Printer took 255.78ms. Allocated memory is still 444.6MB. Free memory was 268.2MB in the beginning and 247.4MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 47]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 76]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 88]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 105]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 117]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 145]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 157]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 173]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 185]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 207]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 219]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 255]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 267]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 304 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 23.5s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4960 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4960 mSDsluCounter, 9303 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5368 mSDsCounter, 1325 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12255 IncrementalHoareTripleChecker+Invalid, 13580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1325 mSolverCounterUnsat, 3935 mSDtfsCounter, 12255 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=0, InterpolantAutomatonStates: 161, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 55 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 1783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:58:06,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41662396-b863-47bb-9727-8c5784e4f2b9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE