./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1bc6aa00437fa9caa5f3417d996588d430ef5fa0daab57def01c3e44b34b1cac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:41:11,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:41:11,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:41:11,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:41:11,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:41:11,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:41:11,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:41:11,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:41:11,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:41:11,315 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:41:11,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:41:11,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:41:11,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:41:11,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:41:11,318 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:41:11,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:41:11,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:41:11,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:41:11,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:41:11,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:41:11,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:41:11,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:41:11,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:41:11,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:41:11,323 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:41:11,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:41:11,324 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:41:11,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:41:11,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:41:11,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:41:11,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:41:11,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:41:11,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:41:11,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:41:11,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:41:11,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:41:11,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:41:11,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:41:11,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:41:11,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:41:11,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:41:11,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:41:11,329 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bc6aa00437fa9caa5f3417d996588d430ef5fa0daab57def01c3e44b34b1cac [2023-11-29 06:41:11,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:41:11,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:41:11,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:41:11,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:41:11,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:41:11,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2023-11-29 06:41:14,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:41:14,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:41:14,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2023-11-29 06:41:14,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/data/8366987e3/9dd442223b174d4aaf4518fdd5635e85/FLAGe009e9d65 [2023-11-29 06:41:14,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/data/8366987e3/9dd442223b174d4aaf4518fdd5635e85 [2023-11-29 06:41:14,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:41:14,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:41:14,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:41:14,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:41:14,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:41:14,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:41:14" (1/1) ... [2023-11-29 06:41:14,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428f02ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:14, skipping insertion in model container [2023-11-29 06:41:14,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:41:14" (1/1) ... [2023-11-29 06:41:14,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:41:14,941 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14164,14177] [2023-11-29 06:41:14,953 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14811,14824] [2023-11-29 06:41:14,966 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[16044,16057] [2023-11-29 06:41:14,981 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17104,17117] [2023-11-29 06:41:15,047 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[25495,25508] [2023-11-29 06:41:15,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:41:15,119 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:41:15,207 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14164,14177] [2023-11-29 06:41:15,213 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14811,14824] [2023-11-29 06:41:15,223 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[16044,16057] [2023-11-29 06:41:15,233 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17104,17117] [2023-11-29 06:41:15,279 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[25495,25508] [2023-11-29 06:41:15,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:41:15,332 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:41:15,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15 WrapperNode [2023-11-29 06:41:15,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:41:15,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:41:15,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:41:15,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:41:15,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,441 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1627 [2023-11-29 06:41:15,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:41:15,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:41:15,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:41:15,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:41:15,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,499 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:41:15,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:41:15,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:41:15,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:41:15,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:41:15,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (1/1) ... [2023-11-29 06:41:15,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:41:15,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:41:15,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:41:15,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:41:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:41:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:41:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:41:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:41:15,780 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:41:15,781 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:41:16,791 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:41:16,844 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:41:16,844 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:41:16,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:41:16 BoogieIcfgContainer [2023-11-29 06:41:16,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:41:16,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:41:16,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:41:16,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:41:16,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:41:14" (1/3) ... [2023-11-29 06:41:16,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e912ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:41:16, skipping insertion in model container [2023-11-29 06:41:16,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:15" (2/3) ... [2023-11-29 06:41:16,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e912ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:41:16, skipping insertion in model container [2023-11-29 06:41:16,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:41:16" (3/3) ... [2023-11-29 06:41:16,854 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2023-11-29 06:41:16,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:41:16,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-29 06:41:16,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:41:16,937 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56986aae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:41:16,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-29 06:41:16,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 381 states, 369 states have (on average 1.8319783197831978) internal successors, (676), 380 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 06:41:16,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:16,957 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:16,958 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:16,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:16,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1543552980, now seen corresponding path program 1 times [2023-11-29 06:41:16,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:16,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677142366] [2023-11-29 06:41:16,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:16,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:17,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:17,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677142366] [2023-11-29 06:41:17,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677142366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:17,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:17,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:17,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297918043] [2023-11-29 06:41:17,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:17,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:17,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:17,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:17,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:17,506 INFO L87 Difference]: Start difference. First operand has 381 states, 369 states have (on average 1.8319783197831978) internal successors, (676), 380 states have internal predecessors, (676), 0 states have call successors, (0), 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 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:17,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:17,668 INFO L93 Difference]: Finished difference Result 697 states and 1213 transitions. [2023-11-29 06:41:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:17,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2023-11-29 06:41:17,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:17,686 INFO L225 Difference]: With dead ends: 697 [2023-11-29 06:41:17,686 INFO L226 Difference]: Without dead ends: 543 [2023-11-29 06:41:17,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:17,694 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 390 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:17,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1199 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:17,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2023-11-29 06:41:17,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2023-11-29 06:41:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 536 states have (on average 1.4570895522388059) internal successors, (781), 540 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 781 transitions. [2023-11-29 06:41:17,764 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 781 transitions. Word has length 138 [2023-11-29 06:41:17,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:17,765 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 781 transitions. [2023-11-29 06:41:17,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 781 transitions. [2023-11-29 06:41:17,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 06:41:17,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:17,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:17,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:41:17,771 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:17,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:17,772 INFO L85 PathProgramCache]: Analyzing trace with hash -228007275, now seen corresponding path program 1 times [2023-11-29 06:41:17,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:17,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211564230] [2023-11-29 06:41:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:17,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:17,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:17,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211564230] [2023-11-29 06:41:17,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211564230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:17,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:17,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:17,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892757343] [2023-11-29 06:41:17,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:17,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:17,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:17,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:17,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:17,955 INFO L87 Difference]: Start difference. First operand 541 states and 781 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:18,077 INFO L93 Difference]: Finished difference Result 1086 states and 1609 transitions. [2023-11-29 06:41:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:18,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2023-11-29 06:41:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:18,084 INFO L225 Difference]: With dead ends: 1086 [2023-11-29 06:41:18,084 INFO L226 Difference]: Without dead ends: 897 [2023-11-29 06:41:18,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:18,087 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 304 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:18,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 953 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:18,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2023-11-29 06:41:18,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 895. [2023-11-29 06:41:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 890 states have (on average 1.4741573033707864) internal successors, (1312), 894 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1312 transitions. [2023-11-29 06:41:18,135 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1312 transitions. Word has length 138 [2023-11-29 06:41:18,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:18,136 INFO L495 AbstractCegarLoop]: Abstraction has 895 states and 1312 transitions. [2023-11-29 06:41:18,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1312 transitions. [2023-11-29 06:41:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 06:41:18,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:18,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:18,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:41:18,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:18,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:18,142 INFO L85 PathProgramCache]: Analyzing trace with hash -228438251, now seen corresponding path program 1 times [2023-11-29 06:41:18,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:18,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691417174] [2023-11-29 06:41:18,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:18,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:18,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:18,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691417174] [2023-11-29 06:41:18,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691417174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:18,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:18,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:18,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063657039] [2023-11-29 06:41:18,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:18,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:18,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:18,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:18,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:18,490 INFO L87 Difference]: Start difference. First operand 895 states and 1312 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:18,608 INFO L93 Difference]: Finished difference Result 2621 states and 3829 transitions. [2023-11-29 06:41:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:18,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2023-11-29 06:41:18,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:18,618 INFO L225 Difference]: With dead ends: 2621 [2023-11-29 06:41:18,619 INFO L226 Difference]: Without dead ends: 1734 [2023-11-29 06:41:18,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:41:18,623 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 1055 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:18,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 1400 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:18,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2023-11-29 06:41:18,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1694. [2023-11-29 06:41:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1689 states have (on average 1.458259325044405) internal successors, (2463), 1693 states have internal predecessors, (2463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2463 transitions. [2023-11-29 06:41:18,669 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2463 transitions. Word has length 138 [2023-11-29 06:41:18,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:18,669 INFO L495 AbstractCegarLoop]: Abstraction has 1694 states and 2463 transitions. [2023-11-29 06:41:18,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2463 transitions. [2023-11-29 06:41:18,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 06:41:18,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:18,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:18,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:41:18,674 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:18,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:18,674 INFO L85 PathProgramCache]: Analyzing trace with hash -802546345, now seen corresponding path program 1 times [2023-11-29 06:41:18,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:18,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189240982] [2023-11-29 06:41:18,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:18,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:18,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:18,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189240982] [2023-11-29 06:41:18,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189240982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:18,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:18,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:18,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353960130] [2023-11-29 06:41:18,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:18,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:18,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:18,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:18,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:18,743 INFO L87 Difference]: Start difference. First operand 1694 states and 2463 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:18,781 INFO L93 Difference]: Finished difference Result 5046 states and 7329 transitions. [2023-11-29 06:41:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:18,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2023-11-29 06:41:18,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:18,795 INFO L225 Difference]: With dead ends: 5046 [2023-11-29 06:41:18,795 INFO L226 Difference]: Without dead ends: 3379 [2023-11-29 06:41:18,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:18,799 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 518 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:18,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1561 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:18,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2023-11-29 06:41:18,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 1696. [2023-11-29 06:41:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1691 states have (on average 1.4577173270254287) internal successors, (2465), 1695 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2465 transitions. [2023-11-29 06:41:18,842 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2465 transitions. Word has length 139 [2023-11-29 06:41:18,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:18,842 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2465 transitions. [2023-11-29 06:41:18,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2465 transitions. [2023-11-29 06:41:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 06:41:18,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:18,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:18,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:41:18,846 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:18,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:18,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1692246653, now seen corresponding path program 1 times [2023-11-29 06:41:18,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:18,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119578446] [2023-11-29 06:41:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:18,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:18,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:18,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119578446] [2023-11-29 06:41:18,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119578446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:18,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:18,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:18,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336604831] [2023-11-29 06:41:18,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:18,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:18,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:18,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:18,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:18,946 INFO L87 Difference]: Start difference. First operand 1696 states and 2465 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:19,018 INFO L93 Difference]: Finished difference Result 4460 states and 6472 transitions. [2023-11-29 06:41:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:19,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2023-11-29 06:41:19,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:19,033 INFO L225 Difference]: With dead ends: 4460 [2023-11-29 06:41:19,033 INFO L226 Difference]: Without dead ends: 2941 [2023-11-29 06:41:19,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:19,036 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 457 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:19,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 1269 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:19,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2023-11-29 06:41:19,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2901. [2023-11-29 06:41:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2896 states have (on average 1.4357734806629834) internal successors, (4158), 2900 states have internal predecessors, (4158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 4158 transitions. [2023-11-29 06:41:19,117 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 4158 transitions. Word has length 140 [2023-11-29 06:41:19,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:19,117 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 4158 transitions. [2023-11-29 06:41:19,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 4158 transitions. [2023-11-29 06:41:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 06:41:19,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:19,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:19,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:41:19,123 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:19,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:19,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1587774842, now seen corresponding path program 1 times [2023-11-29 06:41:19,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:19,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981170856] [2023-11-29 06:41:19,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:19,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:19,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:19,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981170856] [2023-11-29 06:41:19,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981170856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:19,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:19,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:41:19,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8583006] [2023-11-29 06:41:19,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:19,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:41:19,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:19,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:41:19,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:41:19,466 INFO L87 Difference]: Start difference. First operand 2901 states and 4158 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:19,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:19,601 INFO L93 Difference]: Finished difference Result 8322 states and 11897 transitions. [2023-11-29 06:41:19,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:19,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2023-11-29 06:41:19,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:19,628 INFO L225 Difference]: With dead ends: 8322 [2023-11-29 06:41:19,628 INFO L226 Difference]: Without dead ends: 5434 [2023-11-29 06:41:19,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:41:19,633 INFO L413 NwaCegarLoop]: 864 mSDtfsCounter, 1583 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:19,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 1335 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:19,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5434 states. [2023-11-29 06:41:19,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5434 to 5404. [2023-11-29 06:41:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5404 states, 5399 states have (on average 1.416558621967031) internal successors, (7648), 5403 states have internal predecessors, (7648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5404 states to 5404 states and 7648 transitions. [2023-11-29 06:41:19,780 INFO L78 Accepts]: Start accepts. Automaton has 5404 states and 7648 transitions. Word has length 140 [2023-11-29 06:41:19,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:19,780 INFO L495 AbstractCegarLoop]: Abstraction has 5404 states and 7648 transitions. [2023-11-29 06:41:19,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 5404 states and 7648 transitions. [2023-11-29 06:41:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 06:41:19,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:19,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:19,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:41:19,790 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:19,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:19,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1760745588, now seen corresponding path program 1 times [2023-11-29 06:41:19,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:19,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232952539] [2023-11-29 06:41:19,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:19,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:20,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:20,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232952539] [2023-11-29 06:41:20,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232952539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:20,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:20,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:20,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638732081] [2023-11-29 06:41:20,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:20,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:20,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:20,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:20,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:20,114 INFO L87 Difference]: Start difference. First operand 5404 states and 7648 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:20,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:20,267 INFO L93 Difference]: Finished difference Result 15805 states and 22293 transitions. [2023-11-29 06:41:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:20,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2023-11-29 06:41:20,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:20,321 INFO L225 Difference]: With dead ends: 15805 [2023-11-29 06:41:20,321 INFO L226 Difference]: Without dead ends: 10456 [2023-11-29 06:41:20,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:41:20,330 INFO L413 NwaCegarLoop]: 908 mSDtfsCounter, 1041 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:20,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 1391 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:20,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10456 states. [2023-11-29 06:41:20,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10456 to 10408. [2023-11-29 06:41:20,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10408 states, 10403 states have (on average 1.3981543785446506) internal successors, (14545), 10407 states have internal predecessors, (14545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10408 states to 10408 states and 14545 transitions. [2023-11-29 06:41:20,664 INFO L78 Accepts]: Start accepts. Automaton has 10408 states and 14545 transitions. Word has length 140 [2023-11-29 06:41:20,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:20,664 INFO L495 AbstractCegarLoop]: Abstraction has 10408 states and 14545 transitions. [2023-11-29 06:41:20,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 10408 states and 14545 transitions. [2023-11-29 06:41:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 06:41:20,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:20,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:20,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:41:20,680 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:20,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:20,680 INFO L85 PathProgramCache]: Analyzing trace with hash 483683798, now seen corresponding path program 1 times [2023-11-29 06:41:20,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:20,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136281322] [2023-11-29 06:41:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:20,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:20,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136281322] [2023-11-29 06:41:20,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136281322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:20,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:20,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:20,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458243026] [2023-11-29 06:41:20,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:20,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:20,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:20,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:20,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:20,755 INFO L87 Difference]: Start difference. First operand 10408 states and 14545 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:20,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:20,863 INFO L93 Difference]: Finished difference Result 31074 states and 43404 transitions. [2023-11-29 06:41:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:20,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2023-11-29 06:41:20,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:20,902 INFO L225 Difference]: With dead ends: 31074 [2023-11-29 06:41:20,902 INFO L226 Difference]: Without dead ends: 20756 [2023-11-29 06:41:20,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:20,918 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 504 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:20,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1118 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20756 states. [2023-11-29 06:41:21,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20756 to 10418. [2023-11-29 06:41:21,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10418 states, 10413 states have (on average 1.397772015749544) internal successors, (14555), 10417 states have internal predecessors, (14555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10418 states to 10418 states and 14555 transitions. [2023-11-29 06:41:21,324 INFO L78 Accepts]: Start accepts. Automaton has 10418 states and 14555 transitions. Word has length 141 [2023-11-29 06:41:21,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:21,325 INFO L495 AbstractCegarLoop]: Abstraction has 10418 states and 14555 transitions. [2023-11-29 06:41:21,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 10418 states and 14555 transitions. [2023-11-29 06:41:21,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 06:41:21,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:21,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:21,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:41:21,340 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:21,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:21,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1554550099, now seen corresponding path program 1 times [2023-11-29 06:41:21,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:21,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232687823] [2023-11-29 06:41:21,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:21,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:21,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:21,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232687823] [2023-11-29 06:41:21,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232687823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:21,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:21,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:21,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547697522] [2023-11-29 06:41:21,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:21,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:21,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:21,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:21,659 INFO L87 Difference]: Start difference. First operand 10418 states and 14555 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:21,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:21,807 INFO L93 Difference]: Finished difference Result 30374 states and 42314 transitions. [2023-11-29 06:41:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:21,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2023-11-29 06:41:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:21,843 INFO L225 Difference]: With dead ends: 30374 [2023-11-29 06:41:21,843 INFO L226 Difference]: Without dead ends: 20056 [2023-11-29 06:41:21,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:41:21,859 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 1035 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:21,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1380 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20056 states. [2023-11-29 06:41:22,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20056 to 20008. [2023-11-29 06:41:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20008 states, 20003 states have (on average 1.378943158526221) internal successors, (27583), 20007 states have internal predecessors, (27583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20008 states to 20008 states and 27583 transitions. [2023-11-29 06:41:22,358 INFO L78 Accepts]: Start accepts. Automaton has 20008 states and 27583 transitions. Word has length 142 [2023-11-29 06:41:22,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:22,359 INFO L495 AbstractCegarLoop]: Abstraction has 20008 states and 27583 transitions. [2023-11-29 06:41:22,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 20008 states and 27583 transitions. [2023-11-29 06:41:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:41:22,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:22,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:22,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:41:22,390 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:22,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:22,391 INFO L85 PathProgramCache]: Analyzing trace with hash 335245781, now seen corresponding path program 1 times [2023-11-29 06:41:22,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:22,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418365524] [2023-11-29 06:41:22,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:22,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:22,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:22,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418365524] [2023-11-29 06:41:22,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418365524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:22,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:22,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:22,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611072997] [2023-11-29 06:41:22,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:22,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:22,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:22,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:22,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:22,529 INFO L87 Difference]: Start difference. First operand 20008 states and 27583 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:22,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:22,685 INFO L93 Difference]: Finished difference Result 58874 states and 81295 transitions. [2023-11-29 06:41:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:22,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2023-11-29 06:41:22,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:22,755 INFO L225 Difference]: With dead ends: 58874 [2023-11-29 06:41:22,755 INFO L226 Difference]: Without dead ends: 39740 [2023-11-29 06:41:22,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:22,780 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 490 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:22,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1124 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:22,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39740 states. [2023-11-29 06:41:23,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39740 to 20028. [2023-11-29 06:41:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20028 states, 20023 states have (on average 1.3785646506517504) internal successors, (27603), 20027 states have internal predecessors, (27603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20028 states to 20028 states and 27603 transitions. [2023-11-29 06:41:23,278 INFO L78 Accepts]: Start accepts. Automaton has 20028 states and 27603 transitions. Word has length 143 [2023-11-29 06:41:23,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:23,279 INFO L495 AbstractCegarLoop]: Abstraction has 20028 states and 27603 transitions. [2023-11-29 06:41:23,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 20028 states and 27603 transitions. [2023-11-29 06:41:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 06:41:23,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:23,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:23,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:41:23,300 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:23,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash -600560206, now seen corresponding path program 1 times [2023-11-29 06:41:23,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:23,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821406127] [2023-11-29 06:41:23,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:23,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:23,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:23,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:23,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821406127] [2023-11-29 06:41:23,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821406127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:23,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:23,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:41:23,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241151852] [2023-11-29 06:41:23,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:23,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:23,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:23,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:23,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:23,664 INFO L87 Difference]: Start difference. First operand 20028 states and 27603 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:23,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:23,794 INFO L93 Difference]: Finished difference Result 34118 states and 47076 transitions. [2023-11-29 06:41:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:23,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2023-11-29 06:41:23,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:23,822 INFO L225 Difference]: With dead ends: 34118 [2023-11-29 06:41:23,822 INFO L226 Difference]: Without dead ends: 14609 [2023-11-29 06:41:23,838 INFO L412 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 [2023-11-29 06:41:23,839 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 65 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1614 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:23,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1614 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:23,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14609 states. [2023-11-29 06:41:24,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14609 to 14609. [2023-11-29 06:41:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14609 states, 14604 states have (on average 1.376677622569159) internal successors, (20105), 14608 states have internal predecessors, (20105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14609 states to 14609 states and 20105 transitions. [2023-11-29 06:41:24,140 INFO L78 Accepts]: Start accepts. Automaton has 14609 states and 20105 transitions. Word has length 144 [2023-11-29 06:41:24,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:24,140 INFO L495 AbstractCegarLoop]: Abstraction has 14609 states and 20105 transitions. [2023-11-29 06:41:24,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 14609 states and 20105 transitions. [2023-11-29 06:41:24,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:41:24,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:24,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:24,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:41:24,157 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:24,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:24,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1587305715, now seen corresponding path program 1 times [2023-11-29 06:41:24,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:24,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639453322] [2023-11-29 06:41:24,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:24,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:24,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:24,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639453322] [2023-11-29 06:41:24,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639453322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:24,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:24,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:24,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952938260] [2023-11-29 06:41:24,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:24,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:24,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:24,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:24,275 INFO L87 Difference]: Start difference. First operand 14609 states and 20105 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:24,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:24,535 INFO L93 Difference]: Finished difference Result 38861 states and 53460 transitions. [2023-11-29 06:41:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:24,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2023-11-29 06:41:24,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:24,560 INFO L225 Difference]: With dead ends: 38861 [2023-11-29 06:41:24,560 INFO L226 Difference]: Without dead ends: 25377 [2023-11-29 06:41:24,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:24,568 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 443 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:24,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 1339 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:24,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25377 states. [2023-11-29 06:41:24,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25377 to 25351. [2023-11-29 06:41:24,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25351 states, 25346 states have (on average 1.35295510139667) internal successors, (34292), 25350 states have internal predecessors, (34292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25351 states to 25351 states and 34292 transitions. [2023-11-29 06:41:24,919 INFO L78 Accepts]: Start accepts. Automaton has 25351 states and 34292 transitions. Word has length 152 [2023-11-29 06:41:24,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:24,920 INFO L495 AbstractCegarLoop]: Abstraction has 25351 states and 34292 transitions. [2023-11-29 06:41:24,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 25351 states and 34292 transitions. [2023-11-29 06:41:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:41:24,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:24,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:24,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:41:24,938 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:24,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1309382736, now seen corresponding path program 1 times [2023-11-29 06:41:24,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:24,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262623903] [2023-11-29 06:41:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:24,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:25,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:25,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262623903] [2023-11-29 06:41:25,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262623903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:25,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:25,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:25,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11568818] [2023-11-29 06:41:25,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:25,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:25,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:25,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:25,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:25,064 INFO L87 Difference]: Start difference. First operand 25351 states and 34292 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:25,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:25,518 INFO L93 Difference]: Finished difference Result 71117 states and 96682 transitions. [2023-11-29 06:41:25,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:25,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2023-11-29 06:41:25,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:25,560 INFO L225 Difference]: With dead ends: 71117 [2023-11-29 06:41:25,560 INFO L226 Difference]: Without dead ends: 49353 [2023-11-29 06:41:25,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:25,576 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 384 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:25,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 809 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:41:25,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49353 states. [2023-11-29 06:41:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49353 to 49289. [2023-11-29 06:41:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49289 states, 49284 states have (on average 1.3426264101939778) internal successors, (66170), 49288 states have internal predecessors, (66170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49289 states to 49289 states and 66170 transitions. [2023-11-29 06:41:26,258 INFO L78 Accepts]: Start accepts. Automaton has 49289 states and 66170 transitions. Word has length 152 [2023-11-29 06:41:26,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:26,258 INFO L495 AbstractCegarLoop]: Abstraction has 49289 states and 66170 transitions. [2023-11-29 06:41:26,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 49289 states and 66170 transitions. [2023-11-29 06:41:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:41:26,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:26,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:26,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:41:26,281 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:26,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:26,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1148251723, now seen corresponding path program 1 times [2023-11-29 06:41:26,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:26,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482421344] [2023-11-29 06:41:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:26,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:27,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:27,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482421344] [2023-11-29 06:41:27,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482421344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:27,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:27,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:41:27,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927148012] [2023-11-29 06:41:27,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:27,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:41:27,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:27,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:41:27,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:41:27,452 INFO L87 Difference]: Start difference. First operand 49289 states and 66170 transitions. Second operand has 13 states, 13 states have (on average 11.692307692307692) internal successors, (152), 13 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:29,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:29,312 INFO L93 Difference]: Finished difference Result 123177 states and 170569 transitions. [2023-11-29 06:41:29,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 06:41:29,313 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.692307692307692) internal successors, (152), 13 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2023-11-29 06:41:29,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:29,536 INFO L225 Difference]: With dead ends: 123177 [2023-11-29 06:41:29,536 INFO L226 Difference]: Without dead ends: 106291 [2023-11-29 06:41:29,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=651, Unknown=0, NotChecked=0, Total=870 [2023-11-29 06:41:29,549 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 5888 mSDsluCounter, 4954 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5888 SdHoareTripleChecker+Valid, 5449 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:29,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5888 Valid, 5449 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 06:41:29,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106291 states. [2023-11-29 06:41:30,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106291 to 54747. [2023-11-29 06:41:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54747 states, 54742 states have (on average 1.327974863907055) internal successors, (72696), 54746 states have internal predecessors, (72696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54747 states to 54747 states and 72696 transitions. [2023-11-29 06:41:30,496 INFO L78 Accepts]: Start accepts. Automaton has 54747 states and 72696 transitions. Word has length 152 [2023-11-29 06:41:30,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:30,497 INFO L495 AbstractCegarLoop]: Abstraction has 54747 states and 72696 transitions. [2023-11-29 06:41:30,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.692307692307692) internal successors, (152), 13 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:30,497 INFO L276 IsEmpty]: Start isEmpty. Operand 54747 states and 72696 transitions. [2023-11-29 06:41:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:41:30,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:30,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:30,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:41:30,532 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:30,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:30,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1453887389, now seen corresponding path program 1 times [2023-11-29 06:41:30,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:30,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438568413] [2023-11-29 06:41:30,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:30,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:30,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:30,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438568413] [2023-11-29 06:41:30,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438568413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:30,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:30,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:41:30,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082675271] [2023-11-29 06:41:30,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:30,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:30,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:30,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:30,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:30,752 INFO L87 Difference]: Start difference. First operand 54747 states and 72696 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:31,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:31,183 INFO L93 Difference]: Finished difference Result 91456 states and 121308 transitions. [2023-11-29 06:41:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:31,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2023-11-29 06:41:31,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:31,221 INFO L225 Difference]: With dead ends: 91456 [2023-11-29 06:41:31,221 INFO L226 Difference]: Without dead ends: 48658 [2023-11-29 06:41:31,237 INFO L412 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 [2023-11-29 06:41:31,238 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 53 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:31,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1603 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:31,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48658 states. [2023-11-29 06:41:32,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48658 to 48658. [2023-11-29 06:41:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48658 states, 48653 states have (on average 1.3273179454504347) internal successors, (64578), 48657 states have internal predecessors, (64578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:32,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48658 states to 48658 states and 64578 transitions. [2023-11-29 06:41:32,144 INFO L78 Accepts]: Start accepts. Automaton has 48658 states and 64578 transitions. Word has length 152 [2023-11-29 06:41:32,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:32,144 INFO L495 AbstractCegarLoop]: Abstraction has 48658 states and 64578 transitions. [2023-11-29 06:41:32,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 48658 states and 64578 transitions. [2023-11-29 06:41:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 06:41:32,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:32,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:32,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 06:41:32,291 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:32,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:32,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1096871536, now seen corresponding path program 1 times [2023-11-29 06:41:32,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:32,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091630211] [2023-11-29 06:41:32,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:32,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:32,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:32,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091630211] [2023-11-29 06:41:32,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091630211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:32,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:32,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:41:32,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101318082] [2023-11-29 06:41:32,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:32,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:41:32,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:32,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:41:32,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:41:32,592 INFO L87 Difference]: Start difference. First operand 48658 states and 64578 transitions. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:32,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:32,861 INFO L93 Difference]: Finished difference Result 65826 states and 89997 transitions. [2023-11-29 06:41:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:32,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2023-11-29 06:41:32,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:32,900 INFO L225 Difference]: With dead ends: 65826 [2023-11-29 06:41:32,900 INFO L226 Difference]: Without dead ends: 48660 [2023-11-29 06:41:32,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:41:32,916 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1862 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1862 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:32,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1862 Valid, 1228 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:32,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48660 states. [2023-11-29 06:41:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48660 to 48658. [2023-11-29 06:41:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48658 states, 48653 states have (on average 1.3207202022485767) internal successors, (64257), 48657 states have internal predecessors, (64257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48658 states to 48658 states and 64257 transitions. [2023-11-29 06:41:33,595 INFO L78 Accepts]: Start accepts. Automaton has 48658 states and 64257 transitions. Word has length 158 [2023-11-29 06:41:33,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:33,595 INFO L495 AbstractCegarLoop]: Abstraction has 48658 states and 64257 transitions. [2023-11-29 06:41:33,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 48658 states and 64257 transitions. [2023-11-29 06:41:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 06:41:33,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:33,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:33,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 06:41:33,619 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:33,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:33,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2048594912, now seen corresponding path program 1 times [2023-11-29 06:41:33,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:33,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096969816] [2023-11-29 06:41:33,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:33,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:33,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:33,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096969816] [2023-11-29 06:41:33,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096969816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:33,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:33,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:41:33,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92900600] [2023-11-29 06:41:33,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:33,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:33,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:33,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:33,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:33,893 INFO L87 Difference]: Start difference. First operand 48658 states and 64257 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:34,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:34,070 INFO L93 Difference]: Finished difference Result 86016 states and 113463 transitions. [2023-11-29 06:41:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:34,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2023-11-29 06:41:34,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:34,109 INFO L225 Difference]: With dead ends: 86016 [2023-11-29 06:41:34,110 INFO L226 Difference]: Without dead ends: 37415 [2023-11-29 06:41:34,134 INFO L412 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 [2023-11-29 06:41:34,135 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 45 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:34,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1590 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:34,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37415 states. [2023-11-29 06:41:34,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37415 to 37415. [2023-11-29 06:41:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37415 states, 37410 states have (on average 1.3172413793103448) internal successors, (49278), 37414 states have internal predecessors, (49278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37415 states to 37415 states and 49278 transitions. [2023-11-29 06:41:34,775 INFO L78 Accepts]: Start accepts. Automaton has 37415 states and 49278 transitions. Word has length 158 [2023-11-29 06:41:34,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:34,775 INFO L495 AbstractCegarLoop]: Abstraction has 37415 states and 49278 transitions. [2023-11-29 06:41:34,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:34,775 INFO L276 IsEmpty]: Start isEmpty. Operand 37415 states and 49278 transitions. [2023-11-29 06:41:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-29 06:41:34,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:34,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:34,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 06:41:34,798 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:34,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:34,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1637244739, now seen corresponding path program 1 times [2023-11-29 06:41:34,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:34,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418372238] [2023-11-29 06:41:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:35,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:35,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418372238] [2023-11-29 06:41:35,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418372238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:35,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:35,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:41:35,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822844612] [2023-11-29 06:41:35,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:35,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:41:35,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:35,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:41:35,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:41:35,164 INFO L87 Difference]: Start difference. First operand 37415 states and 49278 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:35,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:35,446 INFO L93 Difference]: Finished difference Result 70539 states and 92847 transitions. [2023-11-29 06:41:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:35,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2023-11-29 06:41:35,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:35,469 INFO L225 Difference]: With dead ends: 70539 [2023-11-29 06:41:35,469 INFO L226 Difference]: Without dead ends: 33488 [2023-11-29 06:41:35,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:41:35,479 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 1393 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:35,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 986 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:35,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33488 states. [2023-11-29 06:41:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33488 to 33360. [2023-11-29 06:41:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33360 states, 33355 states have (on average 1.3144955778743816) internal successors, (43845), 33359 states have internal predecessors, (43845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33360 states to 33360 states and 43845 transitions. [2023-11-29 06:41:35,833 INFO L78 Accepts]: Start accepts. Automaton has 33360 states and 43845 transitions. Word has length 164 [2023-11-29 06:41:35,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:35,833 INFO L495 AbstractCegarLoop]: Abstraction has 33360 states and 43845 transitions. [2023-11-29 06:41:35,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 33360 states and 43845 transitions. [2023-11-29 06:41:35,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 06:41:35,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:35,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:35,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 06:41:35,847 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:35,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:35,848 INFO L85 PathProgramCache]: Analyzing trace with hash 26922716, now seen corresponding path program 1 times [2023-11-29 06:41:35,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:35,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759207366] [2023-11-29 06:41:35,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:35,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:36,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:36,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759207366] [2023-11-29 06:41:36,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759207366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:36,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:36,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:41:36,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515670242] [2023-11-29 06:41:36,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:36,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:36,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:36,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:36,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:36,142 INFO L87 Difference]: Start difference. First operand 33360 states and 43845 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:36,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:36,294 INFO L93 Difference]: Finished difference Result 42707 states and 57487 transitions. [2023-11-29 06:41:36,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:36,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2023-11-29 06:41:36,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:36,317 INFO L225 Difference]: With dead ends: 42707 [2023-11-29 06:41:36,317 INFO L226 Difference]: Without dead ends: 30581 [2023-11-29 06:41:36,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:36,327 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 582 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:36,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 950 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:36,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30581 states. [2023-11-29 06:41:36,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30581 to 30579. [2023-11-29 06:41:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30579 states, 30574 states have (on average 1.29266697193694) internal successors, (39522), 30578 states have internal predecessors, (39522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30579 states to 30579 states and 39522 transitions. [2023-11-29 06:41:36,673 INFO L78 Accepts]: Start accepts. Automaton has 30579 states and 39522 transitions. Word has length 166 [2023-11-29 06:41:36,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:36,673 INFO L495 AbstractCegarLoop]: Abstraction has 30579 states and 39522 transitions. [2023-11-29 06:41:36,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 30579 states and 39522 transitions. [2023-11-29 06:41:36,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 06:41:36,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:36,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:36,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 06:41:36,694 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:36,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash 812625131, now seen corresponding path program 1 times [2023-11-29 06:41:36,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:36,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759474088] [2023-11-29 06:41:36,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:36,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:37,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:37,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759474088] [2023-11-29 06:41:37,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759474088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:37,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:37,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:37,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745714164] [2023-11-29 06:41:37,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:37,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:37,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:37,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:37,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:37,065 INFO L87 Difference]: Start difference. First operand 30579 states and 39522 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:37,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:37,236 INFO L93 Difference]: Finished difference Result 61562 states and 79544 transitions. [2023-11-29 06:41:37,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:37,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2023-11-29 06:41:37,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:37,259 INFO L225 Difference]: With dead ends: 61562 [2023-11-29 06:41:37,259 INFO L226 Difference]: Without dead ends: 31371 [2023-11-29 06:41:37,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:41:37,274 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 1047 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 1314 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:37,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 1314 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:37,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31371 states. [2023-11-29 06:41:37,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31371 to 30936. [2023-11-29 06:41:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30936 states, 30931 states have (on average 1.290840903947496) internal successors, (39927), 30935 states have internal predecessors, (39927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30936 states to 30936 states and 39927 transitions. [2023-11-29 06:41:37,603 INFO L78 Accepts]: Start accepts. Automaton has 30936 states and 39927 transitions. Word has length 166 [2023-11-29 06:41:37,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:37,603 INFO L495 AbstractCegarLoop]: Abstraction has 30936 states and 39927 transitions. [2023-11-29 06:41:37,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 30936 states and 39927 transitions. [2023-11-29 06:41:37,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 06:41:37,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:37,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:37,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 06:41:37,618 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:37,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:37,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1147575470, now seen corresponding path program 1 times [2023-11-29 06:41:37,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:37,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161107223] [2023-11-29 06:41:37,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:37,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:37,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:37,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161107223] [2023-11-29 06:41:37,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161107223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:37,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:37,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:37,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057559528] [2023-11-29 06:41:37,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:37,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:37,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:37,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:37,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:37,696 INFO L87 Difference]: Start difference. First operand 30936 states and 39927 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:38,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:38,105 INFO L93 Difference]: Finished difference Result 78768 states and 102761 transitions. [2023-11-29 06:41:38,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:38,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2023-11-29 06:41:38,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:38,153 INFO L225 Difference]: With dead ends: 78768 [2023-11-29 06:41:38,153 INFO L226 Difference]: Without dead ends: 56253 [2023-11-29 06:41:38,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:38,173 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 399 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:38,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 915 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:41:38,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56253 states. [2023-11-29 06:41:38,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56253 to 55825. [2023-11-29 06:41:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55825 states, 55820 states have (on average 1.2881046219992833) internal successors, (71902), 55824 states have internal predecessors, (71902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55825 states to 55825 states and 71902 transitions. [2023-11-29 06:41:39,233 INFO L78 Accepts]: Start accepts. Automaton has 55825 states and 71902 transitions. Word has length 166 [2023-11-29 06:41:39,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:39,233 INFO L495 AbstractCegarLoop]: Abstraction has 55825 states and 71902 transitions. [2023-11-29 06:41:39,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 55825 states and 71902 transitions. [2023-11-29 06:41:39,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 06:41:39,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:39,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:39,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 06:41:39,268 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:39,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:39,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2030159501, now seen corresponding path program 1 times [2023-11-29 06:41:39,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:39,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234433551] [2023-11-29 06:41:39,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:39,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:39,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:39,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:39,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234433551] [2023-11-29 06:41:39,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234433551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:39,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:39,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:41:39,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728634712] [2023-11-29 06:41:39,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:39,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:41:39,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:39,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:41:39,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:41:39,527 INFO L87 Difference]: Start difference. First operand 55825 states and 71902 transitions. Second operand has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:39,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:39,779 INFO L93 Difference]: Finished difference Result 98199 states and 128806 transitions. [2023-11-29 06:41:39,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:39,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2023-11-29 06:41:39,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:39,838 INFO L225 Difference]: With dead ends: 98199 [2023-11-29 06:41:39,838 INFO L226 Difference]: Without dead ends: 78093 [2023-11-29 06:41:39,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:41:39,860 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 816 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:39,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1201 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:41:39,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78093 states. [2023-11-29 06:41:40,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78093 to 78091. [2023-11-29 06:41:40,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78091 states, 78086 states have (on average 1.2741976794815972) internal successors, (99497), 78090 states have internal predecessors, (99497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78091 states to 78091 states and 99497 transitions. [2023-11-29 06:41:40,889 INFO L78 Accepts]: Start accepts. Automaton has 78091 states and 99497 transitions. Word has length 166 [2023-11-29 06:41:40,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:40,890 INFO L495 AbstractCegarLoop]: Abstraction has 78091 states and 99497 transitions. [2023-11-29 06:41:40,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 78091 states and 99497 transitions. [2023-11-29 06:41:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 06:41:40,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:40,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:40,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 06:41:40,935 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:40,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:40,936 INFO L85 PathProgramCache]: Analyzing trace with hash 498919830, now seen corresponding path program 1 times [2023-11-29 06:41:40,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:40,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765779859] [2023-11-29 06:41:40,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:40,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:41,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:41,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765779859] [2023-11-29 06:41:41,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765779859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:41,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:41,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 06:41:41,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366382281] [2023-11-29 06:41:41,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:41,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:41:41,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:41,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:41:41,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:41:41,335 INFO L87 Difference]: Start difference. First operand 78091 states and 99497 transitions. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 9 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:41,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:41,861 INFO L93 Difference]: Finished difference Result 102988 states and 131908 transitions. [2023-11-29 06:41:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:41:41,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 9 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2023-11-29 06:41:41,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:41,893 INFO L225 Difference]: With dead ends: 102988 [2023-11-29 06:41:41,893 INFO L226 Difference]: Without dead ends: 43094 [2023-11-29 06:41:41,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:41:41,914 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2316 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:41,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 561 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:41:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43094 states. [2023-11-29 06:41:42,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43094 to 43094. [2023-11-29 06:41:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43094 states, 43089 states have (on average 1.2603448675996194) internal successors, (54307), 43093 states have internal predecessors, (54307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43094 states to 43094 states and 54307 transitions. [2023-11-29 06:41:42,576 INFO L78 Accepts]: Start accepts. Automaton has 43094 states and 54307 transitions. Word has length 166 [2023-11-29 06:41:42,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:42,577 INFO L495 AbstractCegarLoop]: Abstraction has 43094 states and 54307 transitions. [2023-11-29 06:41:42,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 9 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:42,577 INFO L276 IsEmpty]: Start isEmpty. Operand 43094 states and 54307 transitions. [2023-11-29 06:41:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 06:41:42,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:42,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:42,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 06:41:42,609 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:42,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:42,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1901070816, now seen corresponding path program 1 times [2023-11-29 06:41:42,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:42,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501154633] [2023-11-29 06:41:42,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:42,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:42,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:42,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501154633] [2023-11-29 06:41:42,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501154633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:42,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:42,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:41:42,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933045766] [2023-11-29 06:41:42,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:42,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:41:42,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:42,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:41:42,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:41:42,871 INFO L87 Difference]: Start difference. First operand 43094 states and 54307 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:43,024 INFO L93 Difference]: Finished difference Result 61974 states and 78016 transitions. [2023-11-29 06:41:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:41:43,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2023-11-29 06:41:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:43,064 INFO L225 Difference]: With dead ends: 61974 [2023-11-29 06:41:43,064 INFO L226 Difference]: Without dead ends: 37190 [2023-11-29 06:41:43,083 INFO L412 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 [2023-11-29 06:41:43,083 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 21 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:43,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1542 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:41:43,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37190 states. [2023-11-29 06:41:43,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37190 to 37190. [2023-11-29 06:41:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37190 states, 37185 states have (on average 1.2605620545919054) internal successors, (46874), 37189 states have internal predecessors, (46874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37190 states to 37190 states and 46874 transitions. [2023-11-29 06:41:43,672 INFO L78 Accepts]: Start accepts. Automaton has 37190 states and 46874 transitions. Word has length 166 [2023-11-29 06:41:43,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:43,673 INFO L495 AbstractCegarLoop]: Abstraction has 37190 states and 46874 transitions. [2023-11-29 06:41:43,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:43,673 INFO L276 IsEmpty]: Start isEmpty. Operand 37190 states and 46874 transitions. [2023-11-29 06:41:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:41:43,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:43,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:43,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 06:41:43,695 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:43,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:43,695 INFO L85 PathProgramCache]: Analyzing trace with hash 948344565, now seen corresponding path program 1 times [2023-11-29 06:41:43,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:43,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055441665] [2023-11-29 06:41:43,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:43,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:43,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:43,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055441665] [2023-11-29 06:41:43,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055441665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:43,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:43,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:41:43,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640953646] [2023-11-29 06:41:43,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:43,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:41:43,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:43,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:41:43,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:43,781 INFO L87 Difference]: Start difference. First operand 37190 states and 46874 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:44,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:44,128 INFO L93 Difference]: Finished difference Result 91480 states and 116284 transitions. [2023-11-29 06:41:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:41:44,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:41:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:44,368 INFO L225 Difference]: With dead ends: 91480 [2023-11-29 06:41:44,368 INFO L226 Difference]: Without dead ends: 66410 [2023-11-29 06:41:44,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:41:44,380 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 326 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:44,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 940 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:41:44,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66410 states. [2023-11-29 06:41:45,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66410 to 65527. [2023-11-29 06:41:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65527 states, 65522 states have (on average 1.2543420530508838) internal successors, (82187), 65526 states have internal predecessors, (82187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65527 states to 65527 states and 82187 transitions. [2023-11-29 06:41:45,141 INFO L78 Accepts]: Start accepts. Automaton has 65527 states and 82187 transitions. Word has length 168 [2023-11-29 06:41:45,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:45,141 INFO L495 AbstractCegarLoop]: Abstraction has 65527 states and 82187 transitions. [2023-11-29 06:41:45,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 65527 states and 82187 transitions. [2023-11-29 06:41:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:41:45,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:45,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:45,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 06:41:45,173 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:45,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:45,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1612624048, now seen corresponding path program 1 times [2023-11-29 06:41:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:45,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111074197] [2023-11-29 06:41:45,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:46,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:46,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111074197] [2023-11-29 06:41:46,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111074197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:46,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:46,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:41:46,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69079557] [2023-11-29 06:41:46,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:46,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:41:46,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:46,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:41:46,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:41:46,135 INFO L87 Difference]: Start difference. First operand 65527 states and 82187 transitions. Second operand has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:47,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:47,824 INFO L93 Difference]: Finished difference Result 137451 states and 175400 transitions. [2023-11-29 06:41:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 06:41:47,824 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:41:47,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:47,947 INFO L225 Difference]: With dead ends: 137451 [2023-11-29 06:41:47,947 INFO L226 Difference]: Without dead ends: 124986 [2023-11-29 06:41:47,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=303, Invalid=819, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 06:41:47,978 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 5179 mSDsluCounter, 7202 mSDsCounter, 0 mSdLazyCounter, 1623 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5179 SdHoareTripleChecker+Valid, 8105 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:47,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5179 Valid, 8105 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:41:48,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124986 states. [2023-11-29 06:41:49,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124986 to 77925. [2023-11-29 06:41:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77925 states, 77920 states have (on average 1.2356391170431211) internal successors, (96281), 77924 states have internal predecessors, (96281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77925 states to 77925 states and 96281 transitions. [2023-11-29 06:41:49,362 INFO L78 Accepts]: Start accepts. Automaton has 77925 states and 96281 transitions. Word has length 168 [2023-11-29 06:41:49,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:49,362 INFO L495 AbstractCegarLoop]: Abstraction has 77925 states and 96281 transitions. [2023-11-29 06:41:49,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 77925 states and 96281 transitions. [2023-11-29 06:41:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:41:49,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:49,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:49,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 06:41:49,411 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:49,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:49,411 INFO L85 PathProgramCache]: Analyzing trace with hash -707025626, now seen corresponding path program 1 times [2023-11-29 06:41:49,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:49,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433745555] [2023-11-29 06:41:49,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:50,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:50,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433745555] [2023-11-29 06:41:50,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433745555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:50,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:50,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:41:50,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318659029] [2023-11-29 06:41:50,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:50,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:41:50,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:50,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:41:50,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:41:50,392 INFO L87 Difference]: Start difference. First operand 77925 states and 96281 transitions. Second operand has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:52,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:52,076 INFO L93 Difference]: Finished difference Result 124286 states and 156986 transitions. [2023-11-29 06:41:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:41:52,076 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:41:52,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:52,170 INFO L225 Difference]: With dead ends: 124286 [2023-11-29 06:41:52,170 INFO L226 Difference]: Without dead ends: 114210 [2023-11-29 06:41:52,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=353, Invalid=979, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 06:41:52,196 INFO L413 NwaCegarLoop]: 972 mSDtfsCounter, 5037 mSDsluCounter, 7094 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5037 SdHoareTripleChecker+Valid, 8066 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:52,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5037 Valid, 8066 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 06:41:52,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114210 states. [2023-11-29 06:41:53,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114210 to 89447. [2023-11-29 06:41:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89447 states, 89442 states have (on average 1.225945305337537) internal successors, (109651), 89446 states have internal predecessors, (109651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89447 states to 89447 states and 109651 transitions. [2023-11-29 06:41:53,831 INFO L78 Accepts]: Start accepts. Automaton has 89447 states and 109651 transitions. Word has length 168 [2023-11-29 06:41:53,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:53,831 INFO L495 AbstractCegarLoop]: Abstraction has 89447 states and 109651 transitions. [2023-11-29 06:41:53,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 89447 states and 109651 transitions. [2023-11-29 06:41:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:41:53,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:53,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:53,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 06:41:53,886 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:53,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:53,886 INFO L85 PathProgramCache]: Analyzing trace with hash -64218961, now seen corresponding path program 1 times [2023-11-29 06:41:53,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:53,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432702218] [2023-11-29 06:41:53,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:53,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:41:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:41:54,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:41:54,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432702218] [2023-11-29 06:41:54,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432702218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:41:54,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:41:54,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:41:54,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059541106] [2023-11-29 06:41:54,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:41:54,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:41:54,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:41:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:41:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:41:54,674 INFO L87 Difference]: Start difference. First operand 89447 states and 109651 transitions. Second operand has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:56,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:41:56,362 INFO L93 Difference]: Finished difference Result 195887 states and 249227 transitions. [2023-11-29 06:41:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:41:56,363 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:41:56,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:41:56,521 INFO L225 Difference]: With dead ends: 195887 [2023-11-29 06:41:56,521 INFO L226 Difference]: Without dead ends: 186290 [2023-11-29 06:41:56,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 06:41:56,754 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 7085 mSDsluCounter, 6848 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7085 SdHoareTripleChecker+Valid, 7613 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:41:56,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7085 Valid, 7613 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:41:56,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186290 states. [2023-11-29 06:41:58,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186290 to 108056. [2023-11-29 06:41:58,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108056 states, 108051 states have (on average 1.2165736550332713) internal successors, (131452), 108055 states have internal predecessors, (131452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108056 states to 108056 states and 131452 transitions. [2023-11-29 06:41:58,744 INFO L78 Accepts]: Start accepts. Automaton has 108056 states and 131452 transitions. Word has length 168 [2023-11-29 06:41:58,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:41:58,745 INFO L495 AbstractCegarLoop]: Abstraction has 108056 states and 131452 transitions. [2023-11-29 06:41:58,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:41:58,745 INFO L276 IsEmpty]: Start isEmpty. Operand 108056 states and 131452 transitions. [2023-11-29 06:41:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:41:58,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:41:58,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:41:58,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 06:41:58,837 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:41:58,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:41:58,837 INFO L85 PathProgramCache]: Analyzing trace with hash -414146209, now seen corresponding path program 1 times [2023-11-29 06:41:58,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:41:58,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918387592] [2023-11-29 06:41:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:41:58,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:41:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:00,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:00,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:00,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918387592] [2023-11-29 06:42:00,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918387592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:00,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:00,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 06:42:00,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044006593] [2023-11-29 06:42:00,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:00,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 06:42:00,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:00,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 06:42:00,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:42:00,701 INFO L87 Difference]: Start difference. First operand 108056 states and 131452 transitions. Second operand has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:06,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:06,694 INFO L93 Difference]: Finished difference Result 148268 states and 182173 transitions. [2023-11-29 06:42:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-29 06:42:06,695 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:42:06,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:06,796 INFO L225 Difference]: With dead ends: 148268 [2023-11-29 06:42:06,796 INFO L226 Difference]: Without dead ends: 143382 [2023-11-29 06:42:06,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=556, Invalid=2524, Unknown=0, NotChecked=0, Total=3080 [2023-11-29 06:42:06,811 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 4807 mSDsluCounter, 12290 mSDsCounter, 0 mSdLazyCounter, 4559 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4807 SdHoareTripleChecker+Valid, 13066 SdHoareTripleChecker+Invalid, 4618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:06,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4807 Valid, 13066 Invalid, 4618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4559 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 06:42:06,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143382 states. [2023-11-29 06:42:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143382 to 112688. [2023-11-29 06:42:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112688 states, 112683 states have (on average 1.214664146321983) internal successors, (136872), 112687 states have internal predecessors, (136872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:08,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112688 states to 112688 states and 136872 transitions. [2023-11-29 06:42:08,311 INFO L78 Accepts]: Start accepts. Automaton has 112688 states and 136872 transitions. Word has length 168 [2023-11-29 06:42:08,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:08,312 INFO L495 AbstractCegarLoop]: Abstraction has 112688 states and 136872 transitions. [2023-11-29 06:42:08,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:08,312 INFO L276 IsEmpty]: Start isEmpty. Operand 112688 states and 136872 transitions. [2023-11-29 06:42:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:42:08,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:08,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:08,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 06:42:08,382 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:42:08,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:08,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2102488286, now seen corresponding path program 1 times [2023-11-29 06:42:08,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:08,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114415543] [2023-11-29 06:42:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:08,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:08,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:08,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114415543] [2023-11-29 06:42:08,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114415543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:08,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:08,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 06:42:08,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848697519] [2023-11-29 06:42:08,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:08,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:42:08,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:08,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:42:08,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:42:08,919 INFO L87 Difference]: Start difference. First operand 112688 states and 136872 transitions. Second operand has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:09,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:09,370 INFO L93 Difference]: Finished difference Result 175453 states and 214698 transitions. [2023-11-29 06:42:09,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:42:09,370 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:42:09,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:09,442 INFO L225 Difference]: With dead ends: 175453 [2023-11-29 06:42:09,443 INFO L226 Difference]: Without dead ends: 80053 [2023-11-29 06:42:09,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:42:09,479 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 3515 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3515 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:09,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3515 Valid, 551 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:09,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80053 states. [2023-11-29 06:42:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80053 to 71959. [2023-11-29 06:42:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71959 states, 71954 states have (on average 1.2001556550018067) internal successors, (86356), 71958 states have internal predecessors, (86356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71959 states to 71959 states and 86356 transitions. [2023-11-29 06:42:10,577 INFO L78 Accepts]: Start accepts. Automaton has 71959 states and 86356 transitions. Word has length 168 [2023-11-29 06:42:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:10,577 INFO L495 AbstractCegarLoop]: Abstraction has 71959 states and 86356 transitions. [2023-11-29 06:42:10,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 71959 states and 86356 transitions. [2023-11-29 06:42:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:42:10,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:10,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:10,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 06:42:10,844 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:42:10,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:10,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1528199527, now seen corresponding path program 1 times [2023-11-29 06:42:10,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:10,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546707299] [2023-11-29 06:42:10,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:10,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:12,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:12,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546707299] [2023-11-29 06:42:12,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546707299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:12,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:12,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 06:42:12,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325511068] [2023-11-29 06:42:12,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:12,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 06:42:12,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:12,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 06:42:12,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:42:12,647 INFO L87 Difference]: Start difference. First operand 71959 states and 86356 transitions. Second operand has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:20,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:20,159 INFO L93 Difference]: Finished difference Result 109184 states and 135502 transitions. [2023-11-29 06:42:20,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-11-29 06:42:20,159 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:42:20,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:20,239 INFO L225 Difference]: With dead ends: 109184 [2023-11-29 06:42:20,239 INFO L226 Difference]: Without dead ends: 106577 [2023-11-29 06:42:20,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=787, Invalid=3503, Unknown=0, NotChecked=0, Total=4290 [2023-11-29 06:42:20,257 INFO L413 NwaCegarLoop]: 1009 mSDtfsCounter, 5791 mSDsluCounter, 15744 mSDsCounter, 0 mSdLazyCounter, 6144 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5791 SdHoareTripleChecker+Valid, 16753 SdHoareTripleChecker+Invalid, 6294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 6144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:20,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5791 Valid, 16753 Invalid, 6294 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [150 Valid, 6144 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 06:42:20,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106577 states. [2023-11-29 06:42:21,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106577 to 74433. [2023-11-29 06:42:21,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74433 states, 74428 states have (on average 1.1984199494813779) internal successors, (89196), 74432 states have internal predecessors, (89196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74433 states to 74433 states and 89196 transitions. [2023-11-29 06:42:21,417 INFO L78 Accepts]: Start accepts. Automaton has 74433 states and 89196 transitions. Word has length 168 [2023-11-29 06:42:21,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:21,417 INFO L495 AbstractCegarLoop]: Abstraction has 74433 states and 89196 transitions. [2023-11-29 06:42:21,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 74433 states and 89196 transitions. [2023-11-29 06:42:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:42:21,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:21,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:21,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 06:42:21,463 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:42:21,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:21,464 INFO L85 PathProgramCache]: Analyzing trace with hash 660214958, now seen corresponding path program 1 times [2023-11-29 06:42:21,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:21,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121221790] [2023-11-29 06:42:21,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:21,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:23,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:23,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121221790] [2023-11-29 06:42:23,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121221790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:23,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:23,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 06:42:23,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366963375] [2023-11-29 06:42:23,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:23,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 06:42:23,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:23,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 06:42:23,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:42:23,054 INFO L87 Difference]: Start difference. First operand 74433 states and 89196 transitions. Second operand has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:32,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:32,782 INFO L93 Difference]: Finished difference Result 115756 states and 143569 transitions. [2023-11-29 06:42:32,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-11-29 06:42:32,783 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:42:32,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:32,858 INFO L225 Difference]: With dead ends: 115756 [2023-11-29 06:42:32,858 INFO L226 Difference]: Without dead ends: 111414 [2023-11-29 06:42:32,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1209 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1255, Invalid=4295, Unknown=0, NotChecked=0, Total=5550 [2023-11-29 06:42:32,869 INFO L413 NwaCegarLoop]: 1223 mSDtfsCounter, 6455 mSDsluCounter, 15391 mSDsCounter, 0 mSdLazyCounter, 6616 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6455 SdHoareTripleChecker+Valid, 16614 SdHoareTripleChecker+Invalid, 6783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 6616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:32,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6455 Valid, 16614 Invalid, 6783 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [167 Valid, 6616 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-29 06:42:32,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111414 states. [2023-11-29 06:42:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111414 to 76757. [2023-11-29 06:42:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76757 states, 76752 states have (on average 1.1951349801959559) internal successors, (91729), 76756 states have internal predecessors, (91729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76757 states to 76757 states and 91729 transitions. [2023-11-29 06:42:33,927 INFO L78 Accepts]: Start accepts. Automaton has 76757 states and 91729 transitions. Word has length 168 [2023-11-29 06:42:33,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:33,928 INFO L495 AbstractCegarLoop]: Abstraction has 76757 states and 91729 transitions. [2023-11-29 06:42:33,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 76757 states and 91729 transitions. [2023-11-29 06:42:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:42:33,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:33,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:33,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 06:42:33,981 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:42:33,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:33,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1380597043, now seen corresponding path program 1 times [2023-11-29 06:42:33,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:33,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823841001] [2023-11-29 06:42:33,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:33,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:35,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:35,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823841001] [2023-11-29 06:42:35,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823841001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:35,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:35,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 06:42:35,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193994119] [2023-11-29 06:42:35,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:35,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 06:42:35,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:35,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 06:42:35,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:42:35,598 INFO L87 Difference]: Start difference. First operand 76757 states and 91729 transitions. Second operand has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:42,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:42,092 INFO L93 Difference]: Finished difference Result 89180 states and 106431 transitions. [2023-11-29 06:42:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 06:42:42,093 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:42:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:42,147 INFO L225 Difference]: With dead ends: 89180 [2023-11-29 06:42:42,147 INFO L226 Difference]: Without dead ends: 87912 [2023-11-29 06:42:42,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=646, Invalid=2006, Unknown=0, NotChecked=0, Total=2652 [2023-11-29 06:42:42,160 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 3399 mSDsluCounter, 9262 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 9949 SdHoareTripleChecker+Invalid, 3573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:42,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 9949 Invalid, 3573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 06:42:42,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87912 states. [2023-11-29 06:42:42,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87912 to 78700. [2023-11-29 06:42:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78700 states, 78695 states have (on average 1.1944087934430396) internal successors, (93994), 78699 states have internal predecessors, (93994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78700 states to 78700 states and 93994 transitions. [2023-11-29 06:42:43,069 INFO L78 Accepts]: Start accepts. Automaton has 78700 states and 93994 transitions. Word has length 168 [2023-11-29 06:42:43,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:43,070 INFO L495 AbstractCegarLoop]: Abstraction has 78700 states and 93994 transitions. [2023-11-29 06:42:43,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:43,070 INFO L276 IsEmpty]: Start isEmpty. Operand 78700 states and 93994 transitions. [2023-11-29 06:42:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:42:43,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:43,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:43,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 06:42:43,123 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:42:43,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:43,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1637823672, now seen corresponding path program 1 times [2023-11-29 06:42:43,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:43,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925049703] [2023-11-29 06:42:43,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:43,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:43,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:43,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925049703] [2023-11-29 06:42:43,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925049703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:43,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:43,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 06:42:43,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725661887] [2023-11-29 06:42:43,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:43,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:42:43,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:43,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:42:43,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:42:43,486 INFO L87 Difference]: Start difference. First operand 78700 states and 93994 transitions. Second operand has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:43,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:43,828 INFO L93 Difference]: Finished difference Result 120497 states and 145145 transitions. [2023-11-29 06:42:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:42:43,829 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:42:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:43,873 INFO L225 Difference]: With dead ends: 120497 [2023-11-29 06:42:43,873 INFO L226 Difference]: Without dead ends: 59143 [2023-11-29 06:42:43,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:42:43,900 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 2240 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:43,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2240 Valid, 553 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:42:43,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59143 states. [2023-11-29 06:42:44,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59143 to 52787. [2023-11-29 06:42:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52787 states, 52782 states have (on average 1.1808950020840439) internal successors, (62330), 52786 states have internal predecessors, (62330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52787 states to 52787 states and 62330 transitions. [2023-11-29 06:42:44,511 INFO L78 Accepts]: Start accepts. Automaton has 52787 states and 62330 transitions. Word has length 168 [2023-11-29 06:42:44,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:44,512 INFO L495 AbstractCegarLoop]: Abstraction has 52787 states and 62330 transitions. [2023-11-29 06:42:44,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 52787 states and 62330 transitions. [2023-11-29 06:42:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:42:44,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:44,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:44,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 06:42:44,773 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:42:44,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:44,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1196505313, now seen corresponding path program 1 times [2023-11-29 06:42:44,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:44,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051167054] [2023-11-29 06:42:44,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:44,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:46,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:46,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051167054] [2023-11-29 06:42:46,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051167054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:46,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:46,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 06:42:46,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784613660] [2023-11-29 06:42:46,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:46,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 06:42:46,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:46,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 06:42:46,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:42:46,294 INFO L87 Difference]: Start difference. First operand 52787 states and 62330 transitions. Second operand has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:54,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:42:54,730 INFO L93 Difference]: Finished difference Result 86598 states and 105254 transitions. [2023-11-29 06:42:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-29 06:42:54,731 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:42:54,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:42:54,784 INFO L225 Difference]: With dead ends: 86598 [2023-11-29 06:42:54,784 INFO L226 Difference]: Without dead ends: 85382 [2023-11-29 06:42:54,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=768, Invalid=2312, Unknown=0, NotChecked=0, Total=3080 [2023-11-29 06:42:54,797 INFO L413 NwaCegarLoop]: 1233 mSDtfsCounter, 4119 mSDsluCounter, 14839 mSDsCounter, 0 mSdLazyCounter, 6187 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4119 SdHoareTripleChecker+Valid, 16072 SdHoareTripleChecker+Invalid, 6256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 6187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:42:54,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4119 Valid, 16072 Invalid, 6256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 6187 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 06:42:54,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85382 states. [2023-11-29 06:42:55,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85382 to 55695. [2023-11-29 06:42:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55695 states, 55690 states have (on average 1.1804453223199856) internal successors, (65739), 55694 states have internal predecessors, (65739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55695 states to 55695 states and 65739 transitions. [2023-11-29 06:42:55,538 INFO L78 Accepts]: Start accepts. Automaton has 55695 states and 65739 transitions. Word has length 168 [2023-11-29 06:42:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:42:55,539 INFO L495 AbstractCegarLoop]: Abstraction has 55695 states and 65739 transitions. [2023-11-29 06:42:55,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.304347826086956) internal successors, (168), 22 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:42:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 55695 states and 65739 transitions. [2023-11-29 06:42:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:42:55,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:55,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:55,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 06:42:55,582 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:42:55,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:55,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1074529962, now seen corresponding path program 1 times [2023-11-29 06:42:55,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:55,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750721959] [2023-11-29 06:42:55,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:55,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:42:56,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:42:56,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750721959] [2023-11-29 06:42:56,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750721959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:42:56,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:42:56,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 06:42:56,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484559998] [2023-11-29 06:42:56,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:42:56,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:42:56,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:42:56,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:42:56,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:42:56,994 INFO L87 Difference]: Start difference. First operand 55695 states and 65739 transitions. Second operand has 21 states, 21 states have (on average 8.0) internal successors, (168), 20 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:06,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:06,751 INFO L93 Difference]: Finished difference Result 94678 states and 114585 transitions. [2023-11-29 06:43:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-11-29 06:43:06,752 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.0) internal successors, (168), 20 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:43:06,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:06,817 INFO L225 Difference]: With dead ends: 94678 [2023-11-29 06:43:06,818 INFO L226 Difference]: Without dead ends: 92282 [2023-11-29 06:43:06,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1062, Invalid=4050, Unknown=0, NotChecked=0, Total=5112 [2023-11-29 06:43:06,836 INFO L413 NwaCegarLoop]: 1206 mSDtfsCounter, 5966 mSDsluCounter, 14436 mSDsCounter, 0 mSdLazyCounter, 5548 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5966 SdHoareTripleChecker+Valid, 15642 SdHoareTripleChecker+Invalid, 5701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 5548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:06,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5966 Valid, 15642 Invalid, 5701 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [153 Valid, 5548 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 06:43:06,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92282 states. [2023-11-29 06:43:07,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92282 to 59222. [2023-11-29 06:43:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59222 states, 59217 states have (on average 1.1791377476062617) internal successors, (69825), 59221 states have internal predecessors, (69825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59222 states to 59222 states and 69825 transitions. [2023-11-29 06:43:07,710 INFO L78 Accepts]: Start accepts. Automaton has 59222 states and 69825 transitions. Word has length 168 [2023-11-29 06:43:07,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:07,710 INFO L495 AbstractCegarLoop]: Abstraction has 59222 states and 69825 transitions. [2023-11-29 06:43:07,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.0) internal successors, (168), 20 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 59222 states and 69825 transitions. [2023-11-29 06:43:07,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:43:07,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:07,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:07,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 06:43:07,755 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:07,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1549963865, now seen corresponding path program 1 times [2023-11-29 06:43:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:07,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934028573] [2023-11-29 06:43:07,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:07,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:08,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:08,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934028573] [2023-11-29 06:43:08,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934028573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:08,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:08,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:43:08,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334074716] [2023-11-29 06:43:08,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:08,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:43:08,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:08,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:43:08,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:43:08,285 INFO L87 Difference]: Start difference. First operand 59222 states and 69825 transitions. Second operand has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:09,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:09,942 INFO L93 Difference]: Finished difference Result 121397 states and 147678 transitions. [2023-11-29 06:43:09,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:43:09,943 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:43:09,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:10,048 INFO L225 Difference]: With dead ends: 121397 [2023-11-29 06:43:10,049 INFO L226 Difference]: Without dead ends: 117164 [2023-11-29 06:43:10,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 06:43:10,077 INFO L413 NwaCegarLoop]: 964 mSDtfsCounter, 5740 mSDsluCounter, 8716 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5740 SdHoareTripleChecker+Valid, 9680 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:10,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5740 Valid, 9680 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:43:10,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117164 states. [2023-11-29 06:43:11,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117164 to 68916. [2023-11-29 06:43:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68916 states, 68911 states have (on average 1.174094121402969) internal successors, (80908), 68915 states have internal predecessors, (80908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68916 states to 68916 states and 80908 transitions. [2023-11-29 06:43:11,285 INFO L78 Accepts]: Start accepts. Automaton has 68916 states and 80908 transitions. Word has length 168 [2023-11-29 06:43:11,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:11,286 INFO L495 AbstractCegarLoop]: Abstraction has 68916 states and 80908 transitions. [2023-11-29 06:43:11,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:11,286 INFO L276 IsEmpty]: Start isEmpty. Operand 68916 states and 80908 transitions. [2023-11-29 06:43:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:43:11,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:11,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:11,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 06:43:11,336 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:11,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:11,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1858416729, now seen corresponding path program 1 times [2023-11-29 06:43:11,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:11,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543816525] [2023-11-29 06:43:11,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:11,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:13,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:13,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543816525] [2023-11-29 06:43:13,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543816525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:13,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:13,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:43:13,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779025415] [2023-11-29 06:43:13,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:13,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 06:43:13,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:13,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 06:43:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2023-11-29 06:43:13,377 INFO L87 Difference]: Start difference. First operand 68916 states and 80908 transitions. Second operand has 22 states, 22 states have (on average 7.636363636363637) internal successors, (168), 21 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:18,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:18,470 INFO L93 Difference]: Finished difference Result 83707 states and 98872 transitions. [2023-11-29 06:43:18,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:43:18,471 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.636363636363637) internal successors, (168), 21 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:43:18,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:18,527 INFO L225 Difference]: With dead ends: 83707 [2023-11-29 06:43:18,527 INFO L226 Difference]: Without dead ends: 82479 [2023-11-29 06:43:18,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=364, Invalid=1196, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 06:43:18,543 INFO L413 NwaCegarLoop]: 844 mSDtfsCounter, 3389 mSDsluCounter, 10266 mSDsCounter, 0 mSdLazyCounter, 3809 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 11110 SdHoareTripleChecker+Invalid, 3816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:18,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 11110 Invalid, 3816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3809 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 06:43:18,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82479 states. [2023-11-29 06:43:19,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82479 to 72547. [2023-11-29 06:43:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72547 states, 72542 states have (on average 1.1735546304209974) internal successors, (85132), 72546 states have internal predecessors, (85132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72547 states to 72547 states and 85132 transitions. [2023-11-29 06:43:19,459 INFO L78 Accepts]: Start accepts. Automaton has 72547 states and 85132 transitions. Word has length 168 [2023-11-29 06:43:19,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:19,460 INFO L495 AbstractCegarLoop]: Abstraction has 72547 states and 85132 transitions. [2023-11-29 06:43:19,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.636363636363637) internal successors, (168), 21 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 72547 states and 85132 transitions. [2023-11-29 06:43:19,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:43:19,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:19,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:19,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 06:43:19,513 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:19,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:19,513 INFO L85 PathProgramCache]: Analyzing trace with hash 799569118, now seen corresponding path program 1 times [2023-11-29 06:43:19,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:19,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299612681] [2023-11-29 06:43:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:19,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:20,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:20,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299612681] [2023-11-29 06:43:20,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299612681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:20,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:20,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:43:20,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524523185] [2023-11-29 06:43:20,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:20,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:43:20,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:20,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:43:20,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:43:20,043 INFO L87 Difference]: Start difference. First operand 72547 states and 85132 transitions. Second operand has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:22,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:22,436 INFO L93 Difference]: Finished difference Result 121439 states and 144021 transitions. [2023-11-29 06:43:22,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 06:43:22,436 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:43:22,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:22,540 INFO L225 Difference]: With dead ends: 121439 [2023-11-29 06:43:22,541 INFO L226 Difference]: Without dead ends: 118011 [2023-11-29 06:43:22,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=725, Invalid=1927, Unknown=0, NotChecked=0, Total=2652 [2023-11-29 06:43:22,568 INFO L413 NwaCegarLoop]: 1173 mSDtfsCounter, 4299 mSDsluCounter, 8204 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4299 SdHoareTripleChecker+Valid, 9377 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:22,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4299 Valid, 9377 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 06:43:22,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118011 states. [2023-11-29 06:43:24,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118011 to 97662. [2023-11-29 06:43:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97662 states, 97657 states have (on average 1.1667366394626089) internal successors, (113940), 97661 states have internal predecessors, (113940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97662 states to 97662 states and 113940 transitions. [2023-11-29 06:43:24,476 INFO L78 Accepts]: Start accepts. Automaton has 97662 states and 113940 transitions. Word has length 168 [2023-11-29 06:43:24,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:24,476 INFO L495 AbstractCegarLoop]: Abstraction has 97662 states and 113940 transitions. [2023-11-29 06:43:24,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 97662 states and 113940 transitions. [2023-11-29 06:43:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:43:24,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:24,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:24,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 06:43:24,549 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:24,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash 449426203, now seen corresponding path program 1 times [2023-11-29 06:43:24,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:24,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625835394] [2023-11-29 06:43:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:24,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:25,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:25,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625835394] [2023-11-29 06:43:25,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625835394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:25,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:25,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:43:25,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060393882] [2023-11-29 06:43:25,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:25,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:43:25,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:25,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:43:25,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:43:25,079 INFO L87 Difference]: Start difference. First operand 97662 states and 113940 transitions. Second operand has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:26,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:26,707 INFO L93 Difference]: Finished difference Result 164801 states and 193773 transitions. [2023-11-29 06:43:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:43:26,708 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:43:26,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:26,833 INFO L225 Difference]: With dead ends: 164801 [2023-11-29 06:43:26,833 INFO L226 Difference]: Without dead ends: 159792 [2023-11-29 06:43:26,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=353, Invalid=979, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 06:43:26,864 INFO L413 NwaCegarLoop]: 1188 mSDtfsCounter, 4708 mSDsluCounter, 8488 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4708 SdHoareTripleChecker+Valid, 9676 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:26,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4708 Valid, 9676 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:43:27,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159792 states. [2023-11-29 06:43:29,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159792 to 134117. [2023-11-29 06:43:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134117 states, 134112 states have (on average 1.159873836793128) internal successors, (155553), 134116 states have internal predecessors, (155553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134117 states to 134117 states and 155553 transitions. [2023-11-29 06:43:29,354 INFO L78 Accepts]: Start accepts. Automaton has 134117 states and 155553 transitions. Word has length 168 [2023-11-29 06:43:29,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:29,355 INFO L495 AbstractCegarLoop]: Abstraction has 134117 states and 155553 transitions. [2023-11-29 06:43:29,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 134117 states and 155553 transitions. [2023-11-29 06:43:29,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 06:43:29,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:29,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:29,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 06:43:29,476 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:29,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:29,476 INFO L85 PathProgramCache]: Analyzing trace with hash 326829294, now seen corresponding path program 1 times [2023-11-29 06:43:29,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:29,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606382774] [2023-11-29 06:43:29,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:29,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:31,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:31,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606382774] [2023-11-29 06:43:31,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606382774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:31,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:31,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 06:43:31,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326384994] [2023-11-29 06:43:31,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:31,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:43:31,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:31,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:43:31,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:43:31,265 INFO L87 Difference]: Start difference. First operand 134117 states and 155553 transitions. Second operand has 21 states, 21 states have (on average 8.0) internal successors, (168), 20 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:41,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:41,836 INFO L93 Difference]: Finished difference Result 156813 states and 182405 transitions. [2023-11-29 06:43:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-11-29 06:43:41,837 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.0) internal successors, (168), 20 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 06:43:41,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:41,959 INFO L225 Difference]: With dead ends: 156813 [2023-11-29 06:43:41,959 INFO L226 Difference]: Without dead ends: 155011 [2023-11-29 06:43:41,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1265, Invalid=3991, Unknown=0, NotChecked=0, Total=5256 [2023-11-29 06:43:41,976 INFO L413 NwaCegarLoop]: 971 mSDtfsCounter, 5018 mSDsluCounter, 11824 mSDsCounter, 0 mSdLazyCounter, 4399 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5018 SdHoareTripleChecker+Valid, 12795 SdHoareTripleChecker+Invalid, 4511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 4399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:41,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5018 Valid, 12795 Invalid, 4511 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [112 Valid, 4399 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 06:43:42,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155011 states. [2023-11-29 06:43:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155011 to 136394. [2023-11-29 06:43:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136394 states, 136389 states have (on average 1.1591697277639692) internal successors, (158098), 136393 states have internal predecessors, (158098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136394 states to 136394 states and 158098 transitions. [2023-11-29 06:43:43,765 INFO L78 Accepts]: Start accepts. Automaton has 136394 states and 158098 transitions. Word has length 168 [2023-11-29 06:43:43,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:43,765 INFO L495 AbstractCegarLoop]: Abstraction has 136394 states and 158098 transitions. [2023-11-29 06:43:43,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.0) internal successors, (168), 20 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 136394 states and 158098 transitions. [2023-11-29 06:43:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:43,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:43,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:43,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 06:43:43,893 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:43,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:43,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2048019263, now seen corresponding path program 1 times [2023-11-29 06:43:43,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:43,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53241637] [2023-11-29 06:43:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:43,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:43,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:43,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53241637] [2023-11-29 06:43:43,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53241637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:43,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:43,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:43,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001530708] [2023-11-29 06:43:43,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:43,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:43,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:43,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:43,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:43,947 INFO L87 Difference]: Start difference. First operand 136394 states and 158098 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:44,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:44,420 INFO L93 Difference]: Finished difference Result 180838 states and 210624 transitions. [2023-11-29 06:43:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:44,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:44,557 INFO L225 Difference]: With dead ends: 180838 [2023-11-29 06:43:44,558 INFO L226 Difference]: Without dead ends: 113158 [2023-11-29 06:43:44,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:44,606 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 410 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:44,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 610 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:43:44,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113158 states. [2023-11-29 06:43:46,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113158 to 111234. [2023-11-29 06:43:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111234 states, 111229 states have (on average 1.1527119725970745) internal successors, (128215), 111233 states have internal predecessors, (128215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111234 states to 111234 states and 128215 transitions. [2023-11-29 06:43:46,533 INFO L78 Accepts]: Start accepts. Automaton has 111234 states and 128215 transitions. Word has length 169 [2023-11-29 06:43:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:46,534 INFO L495 AbstractCegarLoop]: Abstraction has 111234 states and 128215 transitions. [2023-11-29 06:43:46,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 111234 states and 128215 transitions. [2023-11-29 06:43:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:46,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:46,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:46,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 06:43:46,637 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:46,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash -555212355, now seen corresponding path program 1 times [2023-11-29 06:43:46,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:46,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901383845] [2023-11-29 06:43:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:46,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:46,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901383845] [2023-11-29 06:43:46,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901383845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:46,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:46,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:46,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091092686] [2023-11-29 06:43:46,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:46,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:46,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:46,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:46,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:46,701 INFO L87 Difference]: Start difference. First operand 111234 states and 128215 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:47,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:47,330 INFO L93 Difference]: Finished difference Result 149931 states and 173151 transitions. [2023-11-29 06:43:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:47,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:47,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:47,399 INFO L225 Difference]: With dead ends: 149931 [2023-11-29 06:43:47,399 INFO L226 Difference]: Without dead ends: 95999 [2023-11-29 06:43:47,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:47,414 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 379 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:47,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 459 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:43:47,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95999 states. [2023-11-29 06:43:48,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95999 to 95220. [2023-11-29 06:43:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95220 states, 95215 states have (on average 1.1436433335083758) internal successors, (108892), 95219 states have internal predecessors, (108892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95220 states to 95220 states and 108892 transitions. [2023-11-29 06:43:48,666 INFO L78 Accepts]: Start accepts. Automaton has 95220 states and 108892 transitions. Word has length 169 [2023-11-29 06:43:48,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:48,666 INFO L495 AbstractCegarLoop]: Abstraction has 95220 states and 108892 transitions. [2023-11-29 06:43:48,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 95220 states and 108892 transitions. [2023-11-29 06:43:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:48,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:48,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:48,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 06:43:48,740 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:48,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:48,741 INFO L85 PathProgramCache]: Analyzing trace with hash -137568677, now seen corresponding path program 1 times [2023-11-29 06:43:48,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:48,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530899026] [2023-11-29 06:43:48,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:48,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:48,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:48,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530899026] [2023-11-29 06:43:48,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530899026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:48,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:48,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698928679] [2023-11-29 06:43:48,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:48,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:48,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:48,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:48,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:48,820 INFO L87 Difference]: Start difference. First operand 95220 states and 108892 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:49,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:49,045 INFO L93 Difference]: Finished difference Result 109344 states and 125061 transitions. [2023-11-29 06:43:49,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:49,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:49,119 INFO L225 Difference]: With dead ends: 109344 [2023-11-29 06:43:49,120 INFO L226 Difference]: Without dead ends: 95061 [2023-11-29 06:43:49,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:49,142 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 272 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:49,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 995 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:43:49,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95061 states. [2023-11-29 06:43:50,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95061 to 94894. [2023-11-29 06:43:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94894 states, 94889 states have (on average 1.1405326223271401) internal successors, (108224), 94893 states have internal predecessors, (108224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94894 states to 94894 states and 108224 transitions. [2023-11-29 06:43:50,816 INFO L78 Accepts]: Start accepts. Automaton has 94894 states and 108224 transitions. Word has length 169 [2023-11-29 06:43:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:50,817 INFO L495 AbstractCegarLoop]: Abstraction has 94894 states and 108224 transitions. [2023-11-29 06:43:50,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 94894 states and 108224 transitions. [2023-11-29 06:43:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:50,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:50,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:50,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 06:43:50,892 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:50,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:50,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1018105990, now seen corresponding path program 1 times [2023-11-29 06:43:50,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:50,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379925498] [2023-11-29 06:43:50,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:50,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:50,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:50,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379925498] [2023-11-29 06:43:50,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379925498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:50,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:50,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:50,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524078016] [2023-11-29 06:43:50,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:50,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:50,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:50,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:50,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:50,953 INFO L87 Difference]: Start difference. First operand 94894 states and 108224 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:51,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:51,318 INFO L93 Difference]: Finished difference Result 130869 states and 150278 transitions. [2023-11-29 06:43:51,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:51,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:51,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:51,385 INFO L225 Difference]: With dead ends: 130869 [2023-11-29 06:43:51,386 INFO L226 Difference]: Without dead ends: 84173 [2023-11-29 06:43:51,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:51,412 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 377 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:51,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 528 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:43:51,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84173 states. [2023-11-29 06:43:52,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84173 to 83111. [2023-11-29 06:43:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83111 states, 83106 states have (on average 1.1344186941977714) internal successors, (94277), 83110 states have internal predecessors, (94277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83111 states to 83111 states and 94277 transitions. [2023-11-29 06:43:52,526 INFO L78 Accepts]: Start accepts. Automaton has 83111 states and 94277 transitions. Word has length 169 [2023-11-29 06:43:52,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:52,526 INFO L495 AbstractCegarLoop]: Abstraction has 83111 states and 94277 transitions. [2023-11-29 06:43:52,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 83111 states and 94277 transitions. [2023-11-29 06:43:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:52,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:52,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:52,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 06:43:52,593 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:52,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:52,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1122331827, now seen corresponding path program 1 times [2023-11-29 06:43:52,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:52,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539929774] [2023-11-29 06:43:52,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:52,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:52,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:52,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539929774] [2023-11-29 06:43:52,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539929774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:52,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:52,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:52,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673139647] [2023-11-29 06:43:52,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:52,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:52,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:52,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:52,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:52,848 INFO L87 Difference]: Start difference. First operand 83111 states and 94277 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:53,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:53,142 INFO L93 Difference]: Finished difference Result 109447 states and 124929 transitions. [2023-11-29 06:43:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:53,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:53,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:53,193 INFO L225 Difference]: With dead ends: 109447 [2023-11-29 06:43:53,193 INFO L226 Difference]: Without dead ends: 62426 [2023-11-29 06:43:53,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:53,218 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 386 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:53,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 504 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:43:53,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62426 states. [2023-11-29 06:43:54,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62426 to 61450. [2023-11-29 06:43:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61450 states, 61445 states have (on average 1.1271055415412157) internal successors, (69255), 61449 states have internal predecessors, (69255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61450 states to 61450 states and 69255 transitions. [2023-11-29 06:43:54,122 INFO L78 Accepts]: Start accepts. Automaton has 61450 states and 69255 transitions. Word has length 169 [2023-11-29 06:43:54,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:54,123 INFO L495 AbstractCegarLoop]: Abstraction has 61450 states and 69255 transitions. [2023-11-29 06:43:54,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 61450 states and 69255 transitions. [2023-11-29 06:43:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:54,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:54,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:54,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 06:43:54,191 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:54,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:54,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2070879393, now seen corresponding path program 1 times [2023-11-29 06:43:54,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:54,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831427630] [2023-11-29 06:43:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:54,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:54,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:54,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831427630] [2023-11-29 06:43:54,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831427630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:54,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:54,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:54,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182768975] [2023-11-29 06:43:54,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:54,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:54,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:54,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:54,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:54,255 INFO L87 Difference]: Start difference. First operand 61450 states and 69255 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:54,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:54,514 INFO L93 Difference]: Finished difference Result 83395 states and 94633 transitions. [2023-11-29 06:43:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:54,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:54,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:54,556 INFO L225 Difference]: With dead ends: 83395 [2023-11-29 06:43:54,556 INFO L226 Difference]: Without dead ends: 47280 [2023-11-29 06:43:54,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:54,576 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 370 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:54,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 457 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:43:54,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47280 states. [2023-11-29 06:43:55,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47280 to 47008. [2023-11-29 06:43:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47008 states, 47003 states have (on average 1.1215667085079675) internal successors, (52717), 47007 states have internal predecessors, (52717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47008 states to 47008 states and 52717 transitions. [2023-11-29 06:43:55,310 INFO L78 Accepts]: Start accepts. Automaton has 47008 states and 52717 transitions. Word has length 169 [2023-11-29 06:43:55,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:55,311 INFO L495 AbstractCegarLoop]: Abstraction has 47008 states and 52717 transitions. [2023-11-29 06:43:55,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 47008 states and 52717 transitions. [2023-11-29 06:43:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:55,339 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:55,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:55,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 06:43:55,339 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:55,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:55,340 INFO L85 PathProgramCache]: Analyzing trace with hash 207737976, now seen corresponding path program 1 times [2023-11-29 06:43:55,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:55,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228689266] [2023-11-29 06:43:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:55,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:55,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228689266] [2023-11-29 06:43:55,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228689266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:55,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:55,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:55,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562697354] [2023-11-29 06:43:55,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:55,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:55,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:55,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:55,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:55,405 INFO L87 Difference]: Start difference. First operand 47008 states and 52717 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:55,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:55,518 INFO L93 Difference]: Finished difference Result 52232 states and 58778 transitions. [2023-11-29 06:43:55,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:55,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:55,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:55,547 INFO L225 Difference]: With dead ends: 52232 [2023-11-29 06:43:55,547 INFO L226 Difference]: Without dead ends: 40120 [2023-11-29 06:43:55,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:55,558 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 246 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:55,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1158 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:43:55,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40120 states. [2023-11-29 06:43:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40120 to 39803. [2023-11-29 06:43:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39803 states, 39798 states have (on average 1.1196793808734107) internal successors, (44561), 39802 states have internal predecessors, (44561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39803 states to 39803 states and 44561 transitions. [2023-11-29 06:43:55,941 INFO L78 Accepts]: Start accepts. Automaton has 39803 states and 44561 transitions. Word has length 169 [2023-11-29 06:43:55,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:55,941 INFO L495 AbstractCegarLoop]: Abstraction has 39803 states and 44561 transitions. [2023-11-29 06:43:55,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 39803 states and 44561 transitions. [2023-11-29 06:43:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:55,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:55,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:55,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 06:43:55,968 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:55,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:55,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1107661777, now seen corresponding path program 1 times [2023-11-29 06:43:55,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:55,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675268892] [2023-11-29 06:43:55,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:55,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:56,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:56,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675268892] [2023-11-29 06:43:56,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675268892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:56,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:56,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:56,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968742972] [2023-11-29 06:43:56,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:56,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:56,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:56,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:56,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:56,033 INFO L87 Difference]: Start difference. First operand 39803 states and 44561 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:56,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:56,114 INFO L93 Difference]: Finished difference Result 46321 states and 51998 transitions. [2023-11-29 06:43:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:56,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:56,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:56,301 INFO L225 Difference]: With dead ends: 46321 [2023-11-29 06:43:56,301 INFO L226 Difference]: Without dead ends: 36411 [2023-11-29 06:43:56,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:56,306 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 261 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:56,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1155 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:43:56,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36411 states. [2023-11-29 06:43:56,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36411 to 36149. [2023-11-29 06:43:56,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36149 states, 36144 states have (on average 1.1183045595396193) internal successors, (40420), 36148 states have internal predecessors, (40420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:56,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36149 states to 36149 states and 40420 transitions. [2023-11-29 06:43:56,624 INFO L78 Accepts]: Start accepts. Automaton has 36149 states and 40420 transitions. Word has length 169 [2023-11-29 06:43:56,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:56,624 INFO L495 AbstractCegarLoop]: Abstraction has 36149 states and 40420 transitions. [2023-11-29 06:43:56,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:56,624 INFO L276 IsEmpty]: Start isEmpty. Operand 36149 states and 40420 transitions. [2023-11-29 06:43:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:43:56,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:56,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:56,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 06:43:56,648 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:56,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:56,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1167659175, now seen corresponding path program 1 times [2023-11-29 06:43:56,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:56,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625689755] [2023-11-29 06:43:56,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:56,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:56,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:56,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625689755] [2023-11-29 06:43:56,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625689755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:56,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:56,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:56,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893653795] [2023-11-29 06:43:56,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:56,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:56,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:56,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:56,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:56,700 INFO L87 Difference]: Start difference. First operand 36149 states and 40420 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:56,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:56,888 INFO L93 Difference]: Finished difference Result 50490 states and 57446 transitions. [2023-11-29 06:43:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:56,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2023-11-29 06:43:56,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:56,909 INFO L225 Difference]: With dead ends: 50490 [2023-11-29 06:43:56,910 INFO L226 Difference]: Without dead ends: 28239 [2023-11-29 06:43:56,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:56,920 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 364 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:56,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 535 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:43:56,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28239 states. [2023-11-29 06:43:57,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28239 to 26423. [2023-11-29 06:43:57,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26423 states, 26418 states have (on average 1.1224543871602695) internal successors, (29653), 26422 states have internal predecessors, (29653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26423 states to 26423 states and 29653 transitions. [2023-11-29 06:43:57,190 INFO L78 Accepts]: Start accepts. Automaton has 26423 states and 29653 transitions. Word has length 169 [2023-11-29 06:43:57,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:57,190 INFO L495 AbstractCegarLoop]: Abstraction has 26423 states and 29653 transitions. [2023-11-29 06:43:57,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 26423 states and 29653 transitions. [2023-11-29 06:43:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 06:43:57,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:57,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:57,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-29 06:43:57,259 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:57,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash 736200159, now seen corresponding path program 1 times [2023-11-29 06:43:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:57,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29278766] [2023-11-29 06:43:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29278766] [2023-11-29 06:43:57,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29278766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:57,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:57,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660656101] [2023-11-29 06:43:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:57,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:57,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:57,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:57,311 INFO L87 Difference]: Start difference. First operand 26423 states and 29653 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:57,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:57,391 INFO L93 Difference]: Finished difference Result 30563 states and 34436 transitions. [2023-11-29 06:43:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:57,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2023-11-29 06:43:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:57,408 INFO L225 Difference]: With dead ends: 30563 [2023-11-29 06:43:57,408 INFO L226 Difference]: Without dead ends: 23797 [2023-11-29 06:43:57,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:57,415 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 301 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:57,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 944 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:43:57,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23797 states. [2023-11-29 06:43:57,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23797 to 23711. [2023-11-29 06:43:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23711 states, 23706 states have (on average 1.122331899097275) internal successors, (26606), 23710 states have internal predecessors, (26606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23711 states to 23711 states and 26606 transitions. [2023-11-29 06:43:57,632 INFO L78 Accepts]: Start accepts. Automaton has 23711 states and 26606 transitions. Word has length 173 [2023-11-29 06:43:57,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:57,632 INFO L495 AbstractCegarLoop]: Abstraction has 23711 states and 26606 transitions. [2023-11-29 06:43:57,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 23711 states and 26606 transitions. [2023-11-29 06:43:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 06:43:57,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:57,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:57,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-29 06:43:57,646 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:57,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:57,646 INFO L85 PathProgramCache]: Analyzing trace with hash -376670231, now seen corresponding path program 1 times [2023-11-29 06:43:57,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:57,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721308628] [2023-11-29 06:43:57,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:57,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:57,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:57,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721308628] [2023-11-29 06:43:57,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721308628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:57,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:57,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:57,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807188526] [2023-11-29 06:43:57,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:57,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:57,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:57,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:57,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:57,706 INFO L87 Difference]: Start difference. First operand 23711 states and 26606 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:57,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:57,768 INFO L93 Difference]: Finished difference Result 28002 states and 31492 transitions. [2023-11-29 06:43:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:57,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2023-11-29 06:43:57,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:57,782 INFO L225 Difference]: With dead ends: 28002 [2023-11-29 06:43:57,782 INFO L226 Difference]: Without dead ends: 21952 [2023-11-29 06:43:57,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:57,788 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 314 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:57,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 964 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:43:57,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21952 states. [2023-11-29 06:43:57,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21952 to 21774. [2023-11-29 06:43:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21774 states, 21769 states have (on average 1.1208599384445772) internal successors, (24400), 21773 states have internal predecessors, (24400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21774 states to 21774 states and 24400 transitions. [2023-11-29 06:43:57,985 INFO L78 Accepts]: Start accepts. Automaton has 21774 states and 24400 transitions. Word has length 173 [2023-11-29 06:43:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:57,985 INFO L495 AbstractCegarLoop]: Abstraction has 21774 states and 24400 transitions. [2023-11-29 06:43:57,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 21774 states and 24400 transitions. [2023-11-29 06:43:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 06:43:57,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:57,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:57,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-29 06:43:57,998 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:57,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:57,998 INFO L85 PathProgramCache]: Analyzing trace with hash 977477953, now seen corresponding path program 1 times [2023-11-29 06:43:57,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:57,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727852498] [2023-11-29 06:43:57,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:57,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:43:58,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:58,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727852498] [2023-11-29 06:43:58,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727852498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:58,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:58,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:43:58,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948972442] [2023-11-29 06:43:58,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:58,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:58,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:58,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:58,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:58,050 INFO L87 Difference]: Start difference. First operand 21774 states and 24400 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:58,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:43:58,111 INFO L93 Difference]: Finished difference Result 25735 states and 28934 transitions. [2023-11-29 06:43:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:58,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2023-11-29 06:43:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:43:58,125 INFO L225 Difference]: With dead ends: 25735 [2023-11-29 06:43:58,125 INFO L226 Difference]: Without dead ends: 19956 [2023-11-29 06:43:58,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:58,130 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 306 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:43:58,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 1140 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:43:58,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19956 states. [2023-11-29 06:43:58,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19956 to 19715. [2023-11-29 06:43:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19715 states, 19710 states have (on average 1.1183155758498224) internal successors, (22042), 19714 states have internal predecessors, (22042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19715 states to 19715 states and 22042 transitions. [2023-11-29 06:43:58,368 INFO L78 Accepts]: Start accepts. Automaton has 19715 states and 22042 transitions. Word has length 173 [2023-11-29 06:43:58,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:43:58,369 INFO L495 AbstractCegarLoop]: Abstraction has 19715 states and 22042 transitions. [2023-11-29 06:43:58,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:43:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19715 states and 22042 transitions. [2023-11-29 06:43:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:43:58,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:43:58,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:43:58,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-29 06:43:58,381 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:43:58,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:58,381 INFO L85 PathProgramCache]: Analyzing trace with hash -504161139, now seen corresponding path program 1 times [2023-11-29 06:43:58,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:58,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716581467] [2023-11-29 06:43:58,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:58,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:00,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:00,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716581467] [2023-11-29 06:44:00,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716581467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:00,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:00,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:44:00,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462578230] [2023-11-29 06:44:00,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:00,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 06:44:00,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:00,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 06:44:00,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2023-11-29 06:44:00,163 INFO L87 Difference]: Start difference. First operand 19715 states and 22042 transitions. Second operand has 22 states, 22 states have (on average 7.909090909090909) internal successors, (174), 21 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:07,928 INFO L93 Difference]: Finished difference Result 25266 states and 28917 transitions. [2023-11-29 06:44:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-29 06:44:07,929 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.909090909090909) internal successors, (174), 21 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:07,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:07,943 INFO L225 Difference]: With dead ends: 25266 [2023-11-29 06:44:07,943 INFO L226 Difference]: Without dead ends: 23963 [2023-11-29 06:44:07,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=558, Invalid=2304, Unknown=0, NotChecked=0, Total=2862 [2023-11-29 06:44:07,949 INFO L413 NwaCegarLoop]: 958 mSDtfsCounter, 3521 mSDsluCounter, 12903 mSDsCounter, 0 mSdLazyCounter, 4136 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3521 SdHoareTripleChecker+Valid, 13861 SdHoareTripleChecker+Invalid, 4179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 4136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:07,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3521 Valid, 13861 Invalid, 4179 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 4136 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 06:44:07,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23963 states. [2023-11-29 06:44:08,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23963 to 19983. [2023-11-29 06:44:08,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19983 states, 19978 states have (on average 1.1164280708779657) internal successors, (22304), 19982 states have internal predecessors, (22304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19983 states to 19983 states and 22304 transitions. [2023-11-29 06:44:08,159 INFO L78 Accepts]: Start accepts. Automaton has 19983 states and 22304 transitions. Word has length 174 [2023-11-29 06:44:08,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:08,160 INFO L495 AbstractCegarLoop]: Abstraction has 19983 states and 22304 transitions. [2023-11-29 06:44:08,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.909090909090909) internal successors, (174), 21 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 19983 states and 22304 transitions. [2023-11-29 06:44:08,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:08,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:08,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:08,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-29 06:44:08,172 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:08,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash 52172476, now seen corresponding path program 1 times [2023-11-29 06:44:08,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:08,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574751427] [2023-11-29 06:44:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:08,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:09,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:09,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574751427] [2023-11-29 06:44:09,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574751427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:09,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:09,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 06:44:09,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805773822] [2023-11-29 06:44:09,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:09,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 06:44:09,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:09,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 06:44:09,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:44:09,083 INFO L87 Difference]: Start difference. First operand 19983 states and 22304 transitions. Second operand has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:10,619 INFO L93 Difference]: Finished difference Result 24423 states and 27916 transitions. [2023-11-29 06:44:10,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 06:44:10,619 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:10,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:10,632 INFO L225 Difference]: With dead ends: 24423 [2023-11-29 06:44:10,632 INFO L226 Difference]: Without dead ends: 21596 [2023-11-29 06:44:10,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2023-11-29 06:44:10,637 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 2610 mSDsluCounter, 6174 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 6929 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:10,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2610 Valid, 6929 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:44:10,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21596 states. [2023-11-29 06:44:10,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21596 to 18878. [2023-11-29 06:44:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18878 states, 18873 states have (on average 1.1216022889842632) internal successors, (21168), 18877 states have internal predecessors, (21168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18878 states to 18878 states and 21168 transitions. [2023-11-29 06:44:10,845 INFO L78 Accepts]: Start accepts. Automaton has 18878 states and 21168 transitions. Word has length 174 [2023-11-29 06:44:10,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:10,845 INFO L495 AbstractCegarLoop]: Abstraction has 18878 states and 21168 transitions. [2023-11-29 06:44:10,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:10,846 INFO L276 IsEmpty]: Start isEmpty. Operand 18878 states and 21168 transitions. [2023-11-29 06:44:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:10,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:10,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:10,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-29 06:44:10,857 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:10,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:10,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1723882690, now seen corresponding path program 1 times [2023-11-29 06:44:10,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:10,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243382494] [2023-11-29 06:44:10,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:10,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:12,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:12,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243382494] [2023-11-29 06:44:12,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243382494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:12,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:12,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 06:44:12,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454747514] [2023-11-29 06:44:12,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:12,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 06:44:12,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:12,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 06:44:12,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:44:12,510 INFO L87 Difference]: Start difference. First operand 18878 states and 21168 transitions. Second operand has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:19,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:19,946 INFO L93 Difference]: Finished difference Result 23118 states and 26433 transitions. [2023-11-29 06:44:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 06:44:19,947 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:19,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:19,961 INFO L225 Difference]: With dead ends: 23118 [2023-11-29 06:44:19,962 INFO L226 Difference]: Without dead ends: 22183 [2023-11-29 06:44:19,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=743, Invalid=2679, Unknown=0, NotChecked=0, Total=3422 [2023-11-29 06:44:19,967 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 4726 mSDsluCounter, 14022 mSDsCounter, 0 mSdLazyCounter, 5188 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4726 SdHoareTripleChecker+Valid, 15049 SdHoareTripleChecker+Invalid, 5299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 5188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:19,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4726 Valid, 15049 Invalid, 5299 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [111 Valid, 5188 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 06:44:19,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22183 states. [2023-11-29 06:44:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22183 to 19133. [2023-11-29 06:44:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19133 states, 19128 states have (on average 1.1198243412797992) internal successors, (21420), 19132 states have internal predecessors, (21420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19133 states to 19133 states and 21420 transitions. [2023-11-29 06:44:20,164 INFO L78 Accepts]: Start accepts. Automaton has 19133 states and 21420 transitions. Word has length 174 [2023-11-29 06:44:20,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:20,164 INFO L495 AbstractCegarLoop]: Abstraction has 19133 states and 21420 transitions. [2023-11-29 06:44:20,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 19133 states and 21420 transitions. [2023-11-29 06:44:20,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:20,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:20,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:20,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-29 06:44:20,175 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:20,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:20,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1167225334, now seen corresponding path program 1 times [2023-11-29 06:44:20,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:20,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487653490] [2023-11-29 06:44:20,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:20,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:21,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:21,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487653490] [2023-11-29 06:44:21,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487653490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:21,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:21,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:44:21,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875068254] [2023-11-29 06:44:21,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:21,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:44:21,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:21,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:44:21,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:44:21,084 INFO L87 Difference]: Start difference. First operand 19133 states and 21420 transitions. Second operand has 16 states, 16 states have (on average 10.875) internal successors, (174), 15 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:22,849 INFO L93 Difference]: Finished difference Result 20652 states and 23374 transitions. [2023-11-29 06:44:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:44:22,850 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.875) internal successors, (174), 15 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:22,864 INFO L225 Difference]: With dead ends: 20652 [2023-11-29 06:44:22,864 INFO L226 Difference]: Without dead ends: 18204 [2023-11-29 06:44:22,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2023-11-29 06:44:22,869 INFO L413 NwaCegarLoop]: 716 mSDtfsCounter, 1050 mSDsluCounter, 6505 mSDsCounter, 0 mSdLazyCounter, 1597 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 7221 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:22,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 7221 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1597 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 06:44:22,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18204 states. [2023-11-29 06:44:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18204 to 18151. [2023-11-29 06:44:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18151 states, 18147 states have (on average 1.1245384912106684) internal successors, (20407), 18150 states have internal predecessors, (20407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18151 states to 18151 states and 20407 transitions. [2023-11-29 06:44:23,044 INFO L78 Accepts]: Start accepts. Automaton has 18151 states and 20407 transitions. Word has length 174 [2023-11-29 06:44:23,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:23,044 INFO L495 AbstractCegarLoop]: Abstraction has 18151 states and 20407 transitions. [2023-11-29 06:44:23,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.875) internal successors, (174), 15 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 18151 states and 20407 transitions. [2023-11-29 06:44:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:23,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:23,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:23,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-29 06:44:23,055 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:23,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:23,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1137714931, now seen corresponding path program 1 times [2023-11-29 06:44:23,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:23,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421007771] [2023-11-29 06:44:23,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:23,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:23,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:23,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421007771] [2023-11-29 06:44:23,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421007771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:23,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:23,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 06:44:23,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822712520] [2023-11-29 06:44:23,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:23,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:44:23,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:23,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:44:23,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:44:23,972 INFO L87 Difference]: Start difference. First operand 18151 states and 20407 transitions. Second operand has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:26,261 INFO L93 Difference]: Finished difference Result 20285 states and 22967 transitions. [2023-11-29 06:44:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 06:44:26,262 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:26,272 INFO L225 Difference]: With dead ends: 20285 [2023-11-29 06:44:26,272 INFO L226 Difference]: Without dead ends: 17815 [2023-11-29 06:44:26,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=406, Invalid=1574, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 06:44:26,276 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 3047 mSDsluCounter, 7369 mSDsCounter, 0 mSdLazyCounter, 2717 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 8015 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:26,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 8015 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2717 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:44:26,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17815 states. [2023-11-29 06:44:26,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17815 to 17424. [2023-11-29 06:44:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17424 states, 17420 states have (on average 1.128358208955224) internal successors, (19656), 17423 states have internal predecessors, (19656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17424 states to 17424 states and 19656 transitions. [2023-11-29 06:44:26,452 INFO L78 Accepts]: Start accepts. Automaton has 17424 states and 19656 transitions. Word has length 174 [2023-11-29 06:44:26,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:26,452 INFO L495 AbstractCegarLoop]: Abstraction has 17424 states and 19656 transitions. [2023-11-29 06:44:26,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17424 states and 19656 transitions. [2023-11-29 06:44:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:26,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:26,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:26,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-29 06:44:26,461 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:26,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:26,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1226683645, now seen corresponding path program 1 times [2023-11-29 06:44:26,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:26,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973060026] [2023-11-29 06:44:26,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:26,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:28,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:28,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973060026] [2023-11-29 06:44:28,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973060026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:28,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:28,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 06:44:28,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528844742] [2023-11-29 06:44:28,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:28,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 06:44:28,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:28,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 06:44:28,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:44:28,093 INFO L87 Difference]: Start difference. First operand 17424 states and 19656 transitions. Second operand has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:33,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:33,370 INFO L93 Difference]: Finished difference Result 18218 states and 20593 transitions. [2023-11-29 06:44:33,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:44:33,371 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:33,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:33,383 INFO L225 Difference]: With dead ends: 18218 [2023-11-29 06:44:33,383 INFO L226 Difference]: Without dead ends: 17847 [2023-11-29 06:44:33,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=388, Invalid=1252, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 06:44:33,387 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 2004 mSDsluCounter, 11651 mSDsCounter, 0 mSdLazyCounter, 4004 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 12466 SdHoareTripleChecker+Invalid, 4025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:33,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2004 Valid, 12466 Invalid, 4025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4004 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 06:44:33,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17847 states. [2023-11-29 06:44:33,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17847 to 17282. [2023-11-29 06:44:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17282 states, 17278 states have (on average 1.1291816182428522) internal successors, (19510), 17281 states have internal predecessors, (19510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17282 states to 17282 states and 19510 transitions. [2023-11-29 06:44:33,559 INFO L78 Accepts]: Start accepts. Automaton has 17282 states and 19510 transitions. Word has length 174 [2023-11-29 06:44:33,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:33,559 INFO L495 AbstractCegarLoop]: Abstraction has 17282 states and 19510 transitions. [2023-11-29 06:44:33,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 17282 states and 19510 transitions. [2023-11-29 06:44:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:33,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:33,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:33,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-11-29 06:44:33,568 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:33,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:33,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1543596206, now seen corresponding path program 1 times [2023-11-29 06:44:33,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:33,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863350439] [2023-11-29 06:44:33,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:35,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:35,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863350439] [2023-11-29 06:44:35,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863350439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:35,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:35,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-29 06:44:35,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815005813] [2023-11-29 06:44:35,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:35,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 06:44:35,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:35,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 06:44:35,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2023-11-29 06:44:35,139 INFO L87 Difference]: Start difference. First operand 17282 states and 19510 transitions. Second operand has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:41,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:41,460 INFO L93 Difference]: Finished difference Result 25247 states and 29567 transitions. [2023-11-29 06:44:41,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 06:44:41,461 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:41,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:41,479 INFO L225 Difference]: With dead ends: 25247 [2023-11-29 06:44:41,479 INFO L226 Difference]: Without dead ends: 24955 [2023-11-29 06:44:41,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=860, Invalid=3970, Unknown=0, NotChecked=0, Total=4830 [2023-11-29 06:44:41,485 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 2955 mSDsluCounter, 12131 mSDsCounter, 0 mSdLazyCounter, 4720 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2955 SdHoareTripleChecker+Valid, 12864 SdHoareTripleChecker+Invalid, 4771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 4720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:41,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2955 Valid, 12864 Invalid, 4771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 4720 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 06:44:41,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24955 states. [2023-11-29 06:44:41,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24955 to 17339. [2023-11-29 06:44:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17339 states, 17335 states have (on average 1.1287568503028556) internal successors, (19567), 17338 states have internal predecessors, (19567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17339 states to 17339 states and 19567 transitions. [2023-11-29 06:44:41,710 INFO L78 Accepts]: Start accepts. Automaton has 17339 states and 19567 transitions. Word has length 174 [2023-11-29 06:44:41,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:41,710 INFO L495 AbstractCegarLoop]: Abstraction has 17339 states and 19567 transitions. [2023-11-29 06:44:41,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 17339 states and 19567 transitions. [2023-11-29 06:44:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:41,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:41,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:41,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-11-29 06:44:41,719 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:41,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:41,719 INFO L85 PathProgramCache]: Analyzing trace with hash 946060116, now seen corresponding path program 1 times [2023-11-29 06:44:41,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:41,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527503444] [2023-11-29 06:44:41,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:41,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:42,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:42,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527503444] [2023-11-29 06:44:42,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527503444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:42,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:42,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 06:44:42,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635618660] [2023-11-29 06:44:42,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:42,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 06:44:42,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:42,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 06:44:42,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:44:42,429 INFO L87 Difference]: Start difference. First operand 17339 states and 19567 transitions. Second operand has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:43,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:43,776 INFO L93 Difference]: Finished difference Result 21109 states and 24186 transitions. [2023-11-29 06:44:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 06:44:43,777 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:43,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:43,789 INFO L225 Difference]: With dead ends: 21109 [2023-11-29 06:44:43,789 INFO L226 Difference]: Without dead ends: 19182 [2023-11-29 06:44:43,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=242, Invalid=948, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 06:44:43,794 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 1734 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 7074 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:43,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 7074 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1648 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:44:43,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19182 states. [2023-11-29 06:44:43,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19182 to 17001. [2023-11-29 06:44:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17001 states, 16997 states have (on average 1.1301406130493616) internal successors, (19209), 17000 states have internal predecessors, (19209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:43,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17001 states to 17001 states and 19209 transitions. [2023-11-29 06:44:43,966 INFO L78 Accepts]: Start accepts. Automaton has 17001 states and 19209 transitions. Word has length 174 [2023-11-29 06:44:43,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:43,966 INFO L495 AbstractCegarLoop]: Abstraction has 17001 states and 19209 transitions. [2023-11-29 06:44:43,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 17001 states and 19209 transitions. [2023-11-29 06:44:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:43,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:43,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:43,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-11-29 06:44:43,975 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:43,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:43,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1589518964, now seen corresponding path program 1 times [2023-11-29 06:44:43,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:43,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425117630] [2023-11-29 06:44:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:43,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:46,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:46,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425117630] [2023-11-29 06:44:46,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425117630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:46,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:46,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-29 06:44:46,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772745780] [2023-11-29 06:44:46,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:46,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 06:44:46,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:46,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 06:44:46,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2023-11-29 06:44:46,138 INFO L87 Difference]: Start difference. First operand 17001 states and 19209 transitions. Second operand has 27 states, 27 states have (on average 6.444444444444445) internal successors, (174), 26 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:52,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:44:52,632 INFO L93 Difference]: Finished difference Result 17128 states and 19344 transitions. [2023-11-29 06:44:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 06:44:52,633 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.444444444444445) internal successors, (174), 26 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:44:52,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:44:52,643 INFO L225 Difference]: With dead ends: 17128 [2023-11-29 06:44:52,643 INFO L226 Difference]: Without dead ends: 17115 [2023-11-29 06:44:52,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=479, Invalid=1971, Unknown=0, NotChecked=0, Total=2450 [2023-11-29 06:44:52,647 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 1827 mSDsluCounter, 11679 mSDsCounter, 0 mSdLazyCounter, 4695 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 12403 SdHoareTripleChecker+Invalid, 4712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:44:52,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 12403 Invalid, 4712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 4695 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 06:44:52,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17115 states. [2023-11-29 06:44:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17115 to 16922. [2023-11-29 06:44:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16922 states, 16918 states have (on average 1.1305118808369783) internal successors, (19126), 16921 states have internal predecessors, (19126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16922 states to 16922 states and 19126 transitions. [2023-11-29 06:44:52,807 INFO L78 Accepts]: Start accepts. Automaton has 16922 states and 19126 transitions. Word has length 174 [2023-11-29 06:44:52,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:44:52,807 INFO L495 AbstractCegarLoop]: Abstraction has 16922 states and 19126 transitions. [2023-11-29 06:44:52,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.444444444444445) internal successors, (174), 26 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:44:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 16922 states and 19126 transitions. [2023-11-29 06:44:52,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:44:52,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:44:52,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:52,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-29 06:44:52,815 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:44:52,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:52,815 INFO L85 PathProgramCache]: Analyzing trace with hash -20215617, now seen corresponding path program 1 times [2023-11-29 06:44:52,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:52,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658609280] [2023-11-29 06:44:52,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:52,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:44:54,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:54,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658609280] [2023-11-29 06:44:54,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658609280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:54,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:54,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 06:44:54,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961999844] [2023-11-29 06:44:54,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:54,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 06:44:54,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:54,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 06:44:54,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:44:54,463 INFO L87 Difference]: Start difference. First operand 16922 states and 19126 transitions. Second operand has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:03,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:03,090 INFO L93 Difference]: Finished difference Result 21480 states and 24731 transitions. [2023-11-29 06:45:03,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-29 06:45:03,091 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:03,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:03,105 INFO L225 Difference]: With dead ends: 21480 [2023-11-29 06:45:03,105 INFO L226 Difference]: Without dead ends: 20604 [2023-11-29 06:45:03,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=798, Invalid=3108, Unknown=0, NotChecked=0, Total=3906 [2023-11-29 06:45:03,110 INFO L413 NwaCegarLoop]: 1250 mSDtfsCounter, 3703 mSDsluCounter, 15298 mSDsCounter, 0 mSdLazyCounter, 5665 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3703 SdHoareTripleChecker+Valid, 16548 SdHoareTripleChecker+Invalid, 5735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 5665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:03,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3703 Valid, 16548 Invalid, 5735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [70 Valid, 5665 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 06:45:03,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20604 states. [2023-11-29 06:45:03,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20604 to 17469. [2023-11-29 06:45:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17469 states, 17465 states have (on average 1.1278557114228458) internal successors, (19698), 17468 states have internal predecessors, (19698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17469 states to 17469 states and 19698 transitions. [2023-11-29 06:45:03,306 INFO L78 Accepts]: Start accepts. Automaton has 17469 states and 19698 transitions. Word has length 174 [2023-11-29 06:45:03,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:03,306 INFO L495 AbstractCegarLoop]: Abstraction has 17469 states and 19698 transitions. [2023-11-29 06:45:03,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 22 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 17469 states and 19698 transitions. [2023-11-29 06:45:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:45:03,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:03,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:03,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-29 06:45:03,316 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:03,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:03,317 INFO L85 PathProgramCache]: Analyzing trace with hash 910042414, now seen corresponding path program 1 times [2023-11-29 06:45:03,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:03,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777606494] [2023-11-29 06:45:03,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:04,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:04,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777606494] [2023-11-29 06:45:04,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777606494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:04,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:04,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:45:04,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165422169] [2023-11-29 06:45:04,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:04,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 06:45:04,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:04,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 06:45:04,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2023-11-29 06:45:04,544 INFO L87 Difference]: Start difference. First operand 17469 states and 19698 transitions. Second operand has 22 states, 22 states have (on average 7.909090909090909) internal successors, (174), 21 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:08,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:08,174 INFO L93 Difference]: Finished difference Result 26225 states and 30730 transitions. [2023-11-29 06:45:08,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 06:45:08,175 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.909090909090909) internal successors, (174), 21 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:08,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:08,195 INFO L225 Difference]: With dead ends: 26225 [2023-11-29 06:45:08,195 INFO L226 Difference]: Without dead ends: 26079 [2023-11-29 06:45:08,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=393, Invalid=1587, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 06:45:08,201 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 2858 mSDsluCounter, 11109 mSDsCounter, 0 mSdLazyCounter, 4172 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 11843 SdHoareTripleChecker+Invalid, 4215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 4172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:08,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2858 Valid, 11843 Invalid, 4215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 4172 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 06:45:08,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26079 states. [2023-11-29 06:45:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26079 to 17529. [2023-11-29 06:45:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17529 states, 17525 states have (on average 1.1275320970042797) internal successors, (19760), 17528 states have internal predecessors, (19760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17529 states to 17529 states and 19760 transitions. [2023-11-29 06:45:08,443 INFO L78 Accepts]: Start accepts. Automaton has 17529 states and 19760 transitions. Word has length 174 [2023-11-29 06:45:08,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:08,443 INFO L495 AbstractCegarLoop]: Abstraction has 17529 states and 19760 transitions. [2023-11-29 06:45:08,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.909090909090909) internal successors, (174), 21 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 17529 states and 19760 transitions. [2023-11-29 06:45:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:45:08,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:08,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:08,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-11-29 06:45:08,453 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:08,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:08,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1175900970, now seen corresponding path program 1 times [2023-11-29 06:45:08,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:08,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797214953] [2023-11-29 06:45:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:08,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:09,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:09,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797214953] [2023-11-29 06:45:09,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797214953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:09,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:09,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 06:45:09,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157348055] [2023-11-29 06:45:09,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:09,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:45:09,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:09,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:45:09,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:45:09,818 INFO L87 Difference]: Start difference. First operand 17529 states and 19760 transitions. Second operand has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:14,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:14,353 INFO L93 Difference]: Finished difference Result 19441 states and 21936 transitions. [2023-11-29 06:45:14,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:45:14,354 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:14,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:14,364 INFO L225 Difference]: With dead ends: 19441 [2023-11-29 06:45:14,364 INFO L226 Difference]: Without dead ends: 18353 [2023-11-29 06:45:14,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=331, Invalid=1229, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 06:45:14,368 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 2406 mSDsluCounter, 10205 mSDsCounter, 0 mSdLazyCounter, 3805 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 11088 SdHoareTripleChecker+Invalid, 3830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 3805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:14,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 11088 Invalid, 3830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 3805 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 06:45:14,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18353 states. [2023-11-29 06:45:14,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18353 to 17329. [2023-11-29 06:45:14,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17329 states, 17325 states have (on average 1.1287734487734489) internal successors, (19556), 17328 states have internal predecessors, (19556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17329 states to 17329 states and 19556 transitions. [2023-11-29 06:45:14,523 INFO L78 Accepts]: Start accepts. Automaton has 17329 states and 19556 transitions. Word has length 174 [2023-11-29 06:45:14,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:14,523 INFO L495 AbstractCegarLoop]: Abstraction has 17329 states and 19556 transitions. [2023-11-29 06:45:14,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 17329 states and 19556 transitions. [2023-11-29 06:45:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:45:14,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:14,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:14,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-11-29 06:45:14,532 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:14,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:14,532 INFO L85 PathProgramCache]: Analyzing trace with hash 312506324, now seen corresponding path program 1 times [2023-11-29 06:45:14,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:14,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873352367] [2023-11-29 06:45:14,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:14,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:15,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:15,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873352367] [2023-11-29 06:45:15,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873352367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:15,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:15,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 06:45:15,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559074400] [2023-11-29 06:45:15,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:15,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 06:45:15,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:15,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 06:45:15,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:45:15,345 INFO L87 Difference]: Start difference. First operand 17329 states and 19556 transitions. Second operand has 19 states, 19 states have (on average 9.157894736842104) internal successors, (174), 18 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:16,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:16,954 INFO L93 Difference]: Finished difference Result 23522 states and 27303 transitions. [2023-11-29 06:45:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 06:45:16,955 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.157894736842104) internal successors, (174), 18 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:16,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:16,970 INFO L225 Difference]: With dead ends: 23522 [2023-11-29 06:45:16,970 INFO L226 Difference]: Without dead ends: 22862 [2023-11-29 06:45:16,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=241, Invalid=881, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 06:45:16,975 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 2234 mSDsluCounter, 8780 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 9489 SdHoareTripleChecker+Invalid, 2007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:16,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2234 Valid, 9489 Invalid, 2007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1968 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 06:45:16,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22862 states. [2023-11-29 06:45:17,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22862 to 17431. [2023-11-29 06:45:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17431 states, 17427 states have (on average 1.1277902105927584) internal successors, (19654), 17430 states have internal predecessors, (19654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17431 states to 17431 states and 19654 transitions. [2023-11-29 06:45:17,203 INFO L78 Accepts]: Start accepts. Automaton has 17431 states and 19654 transitions. Word has length 174 [2023-11-29 06:45:17,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:17,203 INFO L495 AbstractCegarLoop]: Abstraction has 17431 states and 19654 transitions. [2023-11-29 06:45:17,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.157894736842104) internal successors, (174), 18 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:17,203 INFO L276 IsEmpty]: Start isEmpty. Operand 17431 states and 19654 transitions. [2023-11-29 06:45:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:45:17,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:17,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:17,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-11-29 06:45:17,211 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:17,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:17,212 INFO L85 PathProgramCache]: Analyzing trace with hash 468286006, now seen corresponding path program 1 times [2023-11-29 06:45:17,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:17,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753969914] [2023-11-29 06:45:17,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:19,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:19,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753969914] [2023-11-29 06:45:19,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753969914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:19,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:19,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 06:45:19,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951443085] [2023-11-29 06:45:19,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:19,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:45:19,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:19,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:45:19,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:45:19,007 INFO L87 Difference]: Start difference. First operand 17431 states and 19654 transitions. Second operand has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:23,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:23,408 INFO L93 Difference]: Finished difference Result 18849 states and 21354 transitions. [2023-11-29 06:45:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 06:45:23,409 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:23,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:23,420 INFO L225 Difference]: With dead ends: 18849 [2023-11-29 06:45:23,420 INFO L226 Difference]: Without dead ends: 16942 [2023-11-29 06:45:23,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=292, Invalid=1040, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 06:45:23,424 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 2051 mSDsluCounter, 6129 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 6770 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:23,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2051 Valid, 6770 Invalid, 2286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 06:45:23,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16942 states. [2023-11-29 06:45:23,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16942 to 16822. [2023-11-29 06:45:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16822 states, 16818 states have (on average 1.1310500654061124) internal successors, (19022), 16821 states have internal predecessors, (19022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:23,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16822 states to 16822 states and 19022 transitions. [2023-11-29 06:45:23,581 INFO L78 Accepts]: Start accepts. Automaton has 16822 states and 19022 transitions. Word has length 174 [2023-11-29 06:45:23,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:23,581 INFO L495 AbstractCegarLoop]: Abstraction has 16822 states and 19022 transitions. [2023-11-29 06:45:23,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.285714285714286) internal successors, (174), 20 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 16822 states and 19022 transitions. [2023-11-29 06:45:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:45:23,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:23,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:23,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-11-29 06:45:23,589 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:23,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2111511590, now seen corresponding path program 1 times [2023-11-29 06:45:23,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:23,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189271582] [2023-11-29 06:45:23,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:23,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:25,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:25,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189271582] [2023-11-29 06:45:25,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189271582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:25,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:25,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-29 06:45:25,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187551502] [2023-11-29 06:45:25,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:25,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 06:45:25,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:25,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 06:45:25,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2023-11-29 06:45:25,481 INFO L87 Difference]: Start difference. First operand 16822 states and 19022 transitions. Second operand has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:30,479 INFO L93 Difference]: Finished difference Result 17307 states and 19636 transitions. [2023-11-29 06:45:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 06:45:30,479 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:30,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:30,492 INFO L225 Difference]: With dead ends: 17307 [2023-11-29 06:45:30,492 INFO L226 Difference]: Without dead ends: 16588 [2023-11-29 06:45:30,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=389, Invalid=1963, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 06:45:30,497 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 984 mSDsluCounter, 9833 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 10422 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:30,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 10422 Invalid, 3536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 3527 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 06:45:30,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16588 states. [2023-11-29 06:45:30,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16588 to 16576. [2023-11-29 06:45:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16576 states, 16573 states have (on average 1.1325046762806976) internal successors, (18769), 16575 states have internal predecessors, (18769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16576 states to 16576 states and 18769 transitions. [2023-11-29 06:45:30,661 INFO L78 Accepts]: Start accepts. Automaton has 16576 states and 18769 transitions. Word has length 174 [2023-11-29 06:45:30,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:30,661 INFO L495 AbstractCegarLoop]: Abstraction has 16576 states and 18769 transitions. [2023-11-29 06:45:30,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 16576 states and 18769 transitions. [2023-11-29 06:45:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:45:30,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:30,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:30,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-11-29 06:45:30,670 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:30,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:30,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1054278243, now seen corresponding path program 1 times [2023-11-29 06:45:30,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:30,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912580148] [2023-11-29 06:45:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:31,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:31,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:31,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912580148] [2023-11-29 06:45:31,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912580148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:31,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:31,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 06:45:31,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062388538] [2023-11-29 06:45:31,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:31,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 06:45:31,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:31,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 06:45:31,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:45:31,454 INFO L87 Difference]: Start difference. First operand 16576 states and 18769 transitions. Second operand has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:33,557 INFO L93 Difference]: Finished difference Result 19146 states and 21865 transitions. [2023-11-29 06:45:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 06:45:33,557 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:33,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:33,569 INFO L225 Difference]: With dead ends: 19146 [2023-11-29 06:45:33,569 INFO L226 Difference]: Without dead ends: 18168 [2023-11-29 06:45:33,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=434, Invalid=1288, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 06:45:33,574 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 2420 mSDsluCounter, 9425 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 10346 SdHoareTripleChecker+Invalid, 2436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:33,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 10346 Invalid, 2436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:45:33,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18168 states. [2023-11-29 06:45:33,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18168 to 16994. [2023-11-29 06:45:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16994 states, 16991 states have (on average 1.1298334412335942) internal successors, (19197), 16993 states have internal predecessors, (19197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16994 states to 16994 states and 19197 transitions. [2023-11-29 06:45:33,745 INFO L78 Accepts]: Start accepts. Automaton has 16994 states and 19197 transitions. Word has length 174 [2023-11-29 06:45:33,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:33,745 INFO L495 AbstractCegarLoop]: Abstraction has 16994 states and 19197 transitions. [2023-11-29 06:45:33,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.235294117647058) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 16994 states and 19197 transitions. [2023-11-29 06:45:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:45:33,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:33,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:33,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-11-29 06:45:33,753 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:33,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1021948014, now seen corresponding path program 1 times [2023-11-29 06:45:33,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:33,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866152341] [2023-11-29 06:45:33,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:33,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:35,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:35,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866152341] [2023-11-29 06:45:35,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866152341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:35,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:35,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-29 06:45:35,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667236606] [2023-11-29 06:45:35,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:35,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 06:45:35,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:35,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 06:45:35,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2023-11-29 06:45:35,984 INFO L87 Difference]: Start difference. First operand 16994 states and 19197 transitions. Second operand has 27 states, 27 states have (on average 6.444444444444445) internal successors, (174), 26 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:45,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:45,076 INFO L93 Difference]: Finished difference Result 19994 states and 22902 transitions. [2023-11-29 06:45:45,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-29 06:45:45,077 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.444444444444445) internal successors, (174), 26 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:45,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:45,089 INFO L225 Difference]: With dead ends: 19994 [2023-11-29 06:45:45,090 INFO L226 Difference]: Without dead ends: 19987 [2023-11-29 06:45:45,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=709, Invalid=2713, Unknown=0, NotChecked=0, Total=3422 [2023-11-29 06:45:45,094 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 1540 mSDsluCounter, 13520 mSDsCounter, 0 mSdLazyCounter, 5846 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 14315 SdHoareTripleChecker+Invalid, 5872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 5846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:45,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 14315 Invalid, 5872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 5846 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 06:45:45,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19987 states. [2023-11-29 06:45:45,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19987 to 16987. [2023-11-29 06:45:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16987 states, 16985 states have (on average 1.129820429790992) internal successors, (19190), 16986 states have internal predecessors, (19190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:45,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16987 states to 16987 states and 19190 transitions. [2023-11-29 06:45:45,291 INFO L78 Accepts]: Start accepts. Automaton has 16987 states and 19190 transitions. Word has length 174 [2023-11-29 06:45:45,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:45,291 INFO L495 AbstractCegarLoop]: Abstraction has 16987 states and 19190 transitions. [2023-11-29 06:45:45,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.444444444444445) internal successors, (174), 26 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 16987 states and 19190 transitions. [2023-11-29 06:45:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:45:45,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:45,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:45,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-11-29 06:45:45,299 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:45,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:45,299 INFO L85 PathProgramCache]: Analyzing trace with hash -783484887, now seen corresponding path program 1 times [2023-11-29 06:45:45,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:45,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957696479] [2023-11-29 06:45:45,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:45,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:47,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:47,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957696479] [2023-11-29 06:45:47,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957696479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:47,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:47,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-29 06:45:47,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135582408] [2023-11-29 06:45:47,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:47,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 06:45:47,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:47,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 06:45:47,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-11-29 06:45:47,437 INFO L87 Difference]: Start difference. First operand 16987 states and 19190 transitions. Second operand has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:52,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:52,589 INFO L93 Difference]: Finished difference Result 20570 states and 23640 transitions. [2023-11-29 06:45:52,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 06:45:52,589 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-11-29 06:45:52,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:52,605 INFO L225 Difference]: With dead ends: 20570 [2023-11-29 06:45:52,605 INFO L226 Difference]: Without dead ends: 20075 [2023-11-29 06:45:52,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=506, Invalid=1846, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 06:45:52,610 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 1707 mSDsluCounter, 8993 mSDsCounter, 0 mSdLazyCounter, 3607 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 9666 SdHoareTripleChecker+Invalid, 3648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 3607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:52,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 9666 Invalid, 3648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 3607 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 06:45:52,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20075 states. [2023-11-29 06:45:52,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20075 to 16823. [2023-11-29 06:45:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16823 states, 16822 states have (on average 1.1307216739983355) internal successors, (19021), 16822 states have internal predecessors, (19021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16823 states to 16823 states and 19021 transitions. [2023-11-29 06:45:52,816 INFO L78 Accepts]: Start accepts. Automaton has 16823 states and 19021 transitions. Word has length 174 [2023-11-29 06:45:52,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:52,816 INFO L495 AbstractCegarLoop]: Abstraction has 16823 states and 19021 transitions. [2023-11-29 06:45:52,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.6923076923076925) internal successors, (174), 25 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 16823 states and 19021 transitions. [2023-11-29 06:45:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:45:52,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:52,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:52,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-11-29 06:45:52,824 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:52,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:52,825 INFO L85 PathProgramCache]: Analyzing trace with hash 277942749, now seen corresponding path program 1 times [2023-11-29 06:45:52,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:52,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266409089] [2023-11-29 06:45:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:52,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:52,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266409089] [2023-11-29 06:45:52,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266409089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:52,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:52,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:45:52,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080283858] [2023-11-29 06:45:52,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:52,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:45:52,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:52,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:45:52,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:45:52,893 INFO L87 Difference]: Start difference. First operand 16823 states and 19021 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:52,963 INFO L93 Difference]: Finished difference Result 18383 states and 20953 transitions. [2023-11-29 06:45:52,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:45:52,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:45:52,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:52,974 INFO L225 Difference]: With dead ends: 18383 [2023-11-29 06:45:52,975 INFO L226 Difference]: Without dead ends: 16789 [2023-11-29 06:45:52,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:45:52,979 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 185 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:52,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 808 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:45:52,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16789 states. [2023-11-29 06:45:53,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16789 to 16787. [2023-11-29 06:45:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16787 states, 16786 states have (on average 1.1282616466102704) internal successors, (18939), 16786 states have internal predecessors, (18939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16787 states to 16787 states and 18939 transitions. [2023-11-29 06:45:53,138 INFO L78 Accepts]: Start accepts. Automaton has 16787 states and 18939 transitions. Word has length 175 [2023-11-29 06:45:53,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:53,138 INFO L495 AbstractCegarLoop]: Abstraction has 16787 states and 18939 transitions. [2023-11-29 06:45:53,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 16787 states and 18939 transitions. [2023-11-29 06:45:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:45:53,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:53,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:53,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-11-29 06:45:53,146 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:53,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:53,147 INFO L85 PathProgramCache]: Analyzing trace with hash -2146870729, now seen corresponding path program 1 times [2023-11-29 06:45:53,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:53,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196987099] [2023-11-29 06:45:53,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:53,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:54,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:54,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196987099] [2023-11-29 06:45:54,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196987099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:54,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:54,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-29 06:45:54,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36778290] [2023-11-29 06:45:54,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:54,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 06:45:54,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:54,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 06:45:54,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2023-11-29 06:45:54,174 INFO L87 Difference]: Start difference. First operand 16787 states and 18939 transitions. Second operand has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:56,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:45:56,862 INFO L93 Difference]: Finished difference Result 21416 states and 24602 transitions. [2023-11-29 06:45:56,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 06:45:56,862 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:45:56,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:45:56,876 INFO L225 Difference]: With dead ends: 21416 [2023-11-29 06:45:56,876 INFO L226 Difference]: Without dead ends: 20748 [2023-11-29 06:45:56,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=440, Invalid=1722, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 06:45:56,881 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 4821 mSDsluCounter, 8255 mSDsCounter, 0 mSdLazyCounter, 3785 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4821 SdHoareTripleChecker+Valid, 8810 SdHoareTripleChecker+Invalid, 3922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:45:56,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4821 Valid, 8810 Invalid, 3922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 3785 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 06:45:56,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20748 states. [2023-11-29 06:45:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20748 to 17240. [2023-11-29 06:45:57,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17240 states, 17239 states have (on average 1.1258193630721038) internal successors, (19408), 17239 states have internal predecessors, (19408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17240 states to 17240 states and 19408 transitions. [2023-11-29 06:45:57,086 INFO L78 Accepts]: Start accepts. Automaton has 17240 states and 19408 transitions. Word has length 175 [2023-11-29 06:45:57,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:45:57,086 INFO L495 AbstractCegarLoop]: Abstraction has 17240 states and 19408 transitions. [2023-11-29 06:45:57,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:45:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 17240 states and 19408 transitions. [2023-11-29 06:45:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:45:57,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:45:57,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:45:57,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-11-29 06:45:57,095 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:45:57,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:45:57,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1483526321, now seen corresponding path program 1 times [2023-11-29 06:45:57,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:45:57,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066234159] [2023-11-29 06:45:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:45:57,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:45:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:45:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:45:57,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:45:57,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066234159] [2023-11-29 06:45:57,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066234159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:45:57,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:45:57,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:45:57,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219497088] [2023-11-29 06:45:57,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:45:57,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:45:57,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:45:57,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:45:57,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:45:57,874 INFO L87 Difference]: Start difference. First operand 17240 states and 19408 transitions. Second operand has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:00,463 INFO L93 Difference]: Finished difference Result 21156 states and 24304 transitions. [2023-11-29 06:46:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:46:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:00,476 INFO L225 Difference]: With dead ends: 21156 [2023-11-29 06:46:00,476 INFO L226 Difference]: Without dead ends: 20262 [2023-11-29 06:46:00,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=376, Invalid=1346, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 06:46:00,481 INFO L413 NwaCegarLoop]: 707 mSDtfsCounter, 4809 mSDsluCounter, 8196 mSDsCounter, 0 mSdLazyCounter, 3696 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4809 SdHoareTripleChecker+Valid, 8903 SdHoareTripleChecker+Invalid, 3815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 3696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:00,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4809 Valid, 8903 Invalid, 3815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 3696 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 06:46:00,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20262 states. [2023-11-29 06:46:00,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20262 to 17000. [2023-11-29 06:46:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17000 states, 16999 states have (on average 1.1261838931701864) internal successors, (19144), 16999 states have internal predecessors, (19144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17000 states to 17000 states and 19144 transitions. [2023-11-29 06:46:00,758 INFO L78 Accepts]: Start accepts. Automaton has 17000 states and 19144 transitions. Word has length 175 [2023-11-29 06:46:00,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:00,758 INFO L495 AbstractCegarLoop]: Abstraction has 17000 states and 19144 transitions. [2023-11-29 06:46:00,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 17000 states and 19144 transitions. [2023-11-29 06:46:00,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:00,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:00,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:00,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-11-29 06:46:00,766 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:00,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:00,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1736099192, now seen corresponding path program 1 times [2023-11-29 06:46:00,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:00,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248692318] [2023-11-29 06:46:00,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:00,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:01,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:01,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248692318] [2023-11-29 06:46:01,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248692318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:01,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:01,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-29 06:46:01,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2336466] [2023-11-29 06:46:01,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:01,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 06:46:01,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:01,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 06:46:01,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2023-11-29 06:46:01,877 INFO L87 Difference]: Start difference. First operand 17000 states and 19144 transitions. Second operand has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:04,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:04,814 INFO L93 Difference]: Finished difference Result 20986 states and 23884 transitions. [2023-11-29 06:46:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 06:46:04,814 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:04,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:04,830 INFO L225 Difference]: With dead ends: 20986 [2023-11-29 06:46:04,830 INFO L226 Difference]: Without dead ends: 20384 [2023-11-29 06:46:04,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=435, Invalid=1727, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 06:46:04,835 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 4810 mSDsluCounter, 7960 mSDsCounter, 0 mSdLazyCounter, 3827 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4810 SdHoareTripleChecker+Valid, 8537 SdHoareTripleChecker+Invalid, 3950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 3827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:04,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4810 Valid, 8537 Invalid, 3950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 3827 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 06:46:04,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20384 states. [2023-11-29 06:46:04,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20384 to 17739. [2023-11-29 06:46:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17739 states, 17738 states have (on average 1.122336227308603) internal successors, (19908), 17738 states have internal predecessors, (19908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17739 states to 17739 states and 19908 transitions. [2023-11-29 06:46:05,022 INFO L78 Accepts]: Start accepts. Automaton has 17739 states and 19908 transitions. Word has length 175 [2023-11-29 06:46:05,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:05,023 INFO L495 AbstractCegarLoop]: Abstraction has 17739 states and 19908 transitions. [2023-11-29 06:46:05,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:05,023 INFO L276 IsEmpty]: Start isEmpty. Operand 17739 states and 19908 transitions. [2023-11-29 06:46:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:05,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:05,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:05,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-11-29 06:46:05,033 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:05,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:05,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1579685085, now seen corresponding path program 1 times [2023-11-29 06:46:05,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:05,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275214789] [2023-11-29 06:46:05,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:05,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:05,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:05,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275214789] [2023-11-29 06:46:05,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275214789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:05,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:05,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:46:05,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398755262] [2023-11-29 06:46:05,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:05,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:46:05,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:05,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:46:05,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:46:05,862 INFO L87 Difference]: Start difference. First operand 17739 states and 19908 transitions. Second operand has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:08,810 INFO L93 Difference]: Finished difference Result 22418 states and 25734 transitions. [2023-11-29 06:46:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 06:46:08,810 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:08,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:08,824 INFO L225 Difference]: With dead ends: 22418 [2023-11-29 06:46:08,824 INFO L226 Difference]: Without dead ends: 21638 [2023-11-29 06:46:08,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=390, Invalid=1416, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 06:46:08,830 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 4444 mSDsluCounter, 8161 mSDsCounter, 0 mSdLazyCounter, 3620 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4444 SdHoareTripleChecker+Valid, 8856 SdHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:08,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4444 Valid, 8856 Invalid, 3721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3620 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 06:46:08,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21638 states. [2023-11-29 06:46:08,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21638 to 17598. [2023-11-29 06:46:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17598 states, 17597 states have (on average 1.1224640563732455) internal successors, (19752), 17597 states have internal predecessors, (19752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17598 states to 17598 states and 19752 transitions. [2023-11-29 06:46:09,024 INFO L78 Accepts]: Start accepts. Automaton has 17598 states and 19752 transitions. Word has length 175 [2023-11-29 06:46:09,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:09,025 INFO L495 AbstractCegarLoop]: Abstraction has 17598 states and 19752 transitions. [2023-11-29 06:46:09,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 17598 states and 19752 transitions. [2023-11-29 06:46:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:09,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:09,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:09,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-11-29 06:46:09,035 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:09,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:09,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1134863546, now seen corresponding path program 1 times [2023-11-29 06:46:09,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:09,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319730595] [2023-11-29 06:46:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:09,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:10,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:10,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319730595] [2023-11-29 06:46:10,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319730595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:10,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:10,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-29 06:46:10,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884725136] [2023-11-29 06:46:10,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:10,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 06:46:10,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:10,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 06:46:10,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2023-11-29 06:46:10,100 INFO L87 Difference]: Start difference. First operand 17598 states and 19752 transitions. Second operand has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:13,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:13,228 INFO L93 Difference]: Finished difference Result 23309 states and 26591 transitions. [2023-11-29 06:46:13,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 06:46:13,229 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:13,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:13,243 INFO L225 Difference]: With dead ends: 23309 [2023-11-29 06:46:13,243 INFO L226 Difference]: Without dead ends: 22711 [2023-11-29 06:46:13,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=439, Invalid=1817, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 06:46:13,248 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 4592 mSDsluCounter, 9020 mSDsCounter, 0 mSdLazyCounter, 4147 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4592 SdHoareTripleChecker+Valid, 9663 SdHoareTripleChecker+Invalid, 4267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 4147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:13,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4592 Valid, 9663 Invalid, 4267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 4147 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 06:46:13,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22711 states. [2023-11-29 06:46:13,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22711 to 18191. [2023-11-29 06:46:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18191 states, 18190 states have (on average 1.119956019791094) internal successors, (20372), 18190 states have internal predecessors, (20372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18191 states to 18191 states and 20372 transitions. [2023-11-29 06:46:13,431 INFO L78 Accepts]: Start accepts. Automaton has 18191 states and 20372 transitions. Word has length 175 [2023-11-29 06:46:13,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:13,432 INFO L495 AbstractCegarLoop]: Abstraction has 18191 states and 20372 transitions. [2023-11-29 06:46:13,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 18191 states and 20372 transitions. [2023-11-29 06:46:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:13,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:13,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:13,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-11-29 06:46:13,441 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:13,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:13,442 INFO L85 PathProgramCache]: Analyzing trace with hash -817009635, now seen corresponding path program 1 times [2023-11-29 06:46:13,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:13,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071021890] [2023-11-29 06:46:13,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:13,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:14,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:14,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071021890] [2023-11-29 06:46:14,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071021890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:14,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:14,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:46:14,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421558789] [2023-11-29 06:46:14,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:14,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:46:14,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:14,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:46:14,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:46:14,231 INFO L87 Difference]: Start difference. First operand 18191 states and 20372 transitions. Second operand has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:16,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:16,927 INFO L93 Difference]: Finished difference Result 23993 states and 27466 transitions. [2023-11-29 06:46:16,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 06:46:16,927 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:16,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:16,942 INFO L225 Difference]: With dead ends: 23993 [2023-11-29 06:46:16,943 INFO L226 Difference]: Without dead ends: 23395 [2023-11-29 06:46:16,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=428, Invalid=1552, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 06:46:16,948 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 5073 mSDsluCounter, 7441 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5073 SdHoareTripleChecker+Valid, 8021 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:16,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5073 Valid, 8021 Invalid, 3492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3372 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 06:46:16,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23395 states. [2023-11-29 06:46:17,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23395 to 18551. [2023-11-29 06:46:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18551 states, 18550 states have (on average 1.117789757412399) internal successors, (20735), 18550 states have internal predecessors, (20735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18551 states to 18551 states and 20735 transitions. [2023-11-29 06:46:17,142 INFO L78 Accepts]: Start accepts. Automaton has 18551 states and 20735 transitions. Word has length 175 [2023-11-29 06:46:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:17,142 INFO L495 AbstractCegarLoop]: Abstraction has 18551 states and 20735 transitions. [2023-11-29 06:46:17,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 18551 states and 20735 transitions. [2023-11-29 06:46:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:17,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:17,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:17,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-11-29 06:46:17,152 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:17,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:17,153 INFO L85 PathProgramCache]: Analyzing trace with hash -56247602, now seen corresponding path program 1 times [2023-11-29 06:46:17,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:17,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467128231] [2023-11-29 06:46:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:17,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:17,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:17,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467128231] [2023-11-29 06:46:17,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467128231] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:17,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:17,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-29 06:46:17,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566325244] [2023-11-29 06:46:17,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:17,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 06:46:17,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:17,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 06:46:17,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:46:17,852 INFO L87 Difference]: Start difference. First operand 18551 states and 20735 transitions. Second operand has 17 states, 17 states have (on average 10.294117647058824) internal successors, (175), 17 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:19,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:19,012 INFO L93 Difference]: Finished difference Result 21143 states and 23810 transitions. [2023-11-29 06:46:19,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:46:19,012 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.294117647058824) internal successors, (175), 17 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:19,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:19,026 INFO L225 Difference]: With dead ends: 21143 [2023-11-29 06:46:19,026 INFO L226 Difference]: Without dead ends: 18609 [2023-11-29 06:46:19,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=758, Unknown=0, NotChecked=0, Total=930 [2023-11-29 06:46:19,031 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 1439 mSDsluCounter, 7627 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 8287 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:19,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 8287 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:46:19,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18609 states. [2023-11-29 06:46:19,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18609 to 17834. [2023-11-29 06:46:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17834 states, 17833 states have (on average 1.1206751528065946) internal successors, (19985), 17833 states have internal predecessors, (19985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:19,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17834 states to 17834 states and 19985 transitions. [2023-11-29 06:46:19,203 INFO L78 Accepts]: Start accepts. Automaton has 17834 states and 19985 transitions. Word has length 175 [2023-11-29 06:46:19,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:19,204 INFO L495 AbstractCegarLoop]: Abstraction has 17834 states and 19985 transitions. [2023-11-29 06:46:19,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.294117647058824) internal successors, (175), 17 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 17834 states and 19985 transitions. [2023-11-29 06:46:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:19,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:19,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:19,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-11-29 06:46:19,214 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:19,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:19,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1387521242, now seen corresponding path program 1 times [2023-11-29 06:46:19,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:19,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980388177] [2023-11-29 06:46:19,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:19,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:20,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:20,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:20,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980388177] [2023-11-29 06:46:20,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980388177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:20,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:20,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:46:20,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176478890] [2023-11-29 06:46:20,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:20,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:46:20,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:20,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:46:20,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:46:20,037 INFO L87 Difference]: Start difference. First operand 17834 states and 19985 transitions. Second operand has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:22,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:22,597 INFO L93 Difference]: Finished difference Result 23702 states and 27060 transitions. [2023-11-29 06:46:22,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 06:46:22,597 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:22,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:22,610 INFO L225 Difference]: With dead ends: 23702 [2023-11-29 06:46:22,610 INFO L226 Difference]: Without dead ends: 22838 [2023-11-29 06:46:22,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=390, Invalid=1416, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 06:46:22,615 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 5599 mSDsluCounter, 6804 mSDsCounter, 0 mSdLazyCounter, 2662 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5599 SdHoareTripleChecker+Valid, 7327 SdHoareTripleChecker+Invalid, 2797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:22,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5599 Valid, 7327 Invalid, 2797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 2662 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 06:46:22,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22838 states. [2023-11-29 06:46:22,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22838 to 18266. [2023-11-29 06:46:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18266 states, 18265 states have (on average 1.1176567205036956) internal successors, (20414), 18265 states have internal predecessors, (20414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:22,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18266 states to 18266 states and 20414 transitions. [2023-11-29 06:46:22,812 INFO L78 Accepts]: Start accepts. Automaton has 18266 states and 20414 transitions. Word has length 175 [2023-11-29 06:46:22,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:22,812 INFO L495 AbstractCegarLoop]: Abstraction has 18266 states and 20414 transitions. [2023-11-29 06:46:22,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 18266 states and 20414 transitions. [2023-11-29 06:46:22,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:22,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:22,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:22,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-11-29 06:46:22,823 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:22,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:22,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1723488781, now seen corresponding path program 1 times [2023-11-29 06:46:22,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:22,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491957799] [2023-11-29 06:46:22,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:22,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:23,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491957799] [2023-11-29 06:46:23,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491957799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:23,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:23,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 06:46:23,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219042541] [2023-11-29 06:46:23,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:23,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:46:23,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:23,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:46:23,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:46:23,417 INFO L87 Difference]: Start difference. First operand 18266 states and 20414 transitions. Second operand has 16 states, 16 states have (on average 10.9375) internal successors, (175), 16 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:24,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:24,371 INFO L93 Difference]: Finished difference Result 21014 states and 23594 transitions. [2023-11-29 06:46:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 06:46:24,371 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.9375) internal successors, (175), 16 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:24,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:24,383 INFO L225 Difference]: With dead ends: 21014 [2023-11-29 06:46:24,384 INFO L226 Difference]: Without dead ends: 19660 [2023-11-29 06:46:24,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2023-11-29 06:46:24,388 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 1653 mSDsluCounter, 7284 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 7960 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:24,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1653 Valid, 7960 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:46:24,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19660 states. [2023-11-29 06:46:24,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19660 to 19430. [2023-11-29 06:46:24,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19430 states, 19429 states have (on average 1.1118431211076227) internal successors, (21602), 19429 states have internal predecessors, (21602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19430 states to 19430 states and 21602 transitions. [2023-11-29 06:46:24,577 INFO L78 Accepts]: Start accepts. Automaton has 19430 states and 21602 transitions. Word has length 175 [2023-11-29 06:46:24,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:24,577 INFO L495 AbstractCegarLoop]: Abstraction has 19430 states and 21602 transitions. [2023-11-29 06:46:24,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.9375) internal successors, (175), 16 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 19430 states and 21602 transitions. [2023-11-29 06:46:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:24,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:24,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:24,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-11-29 06:46:24,588 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:24,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:24,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1900418840, now seen corresponding path program 1 times [2023-11-29 06:46:24,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:24,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297246086] [2023-11-29 06:46:24,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:24,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:25,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:25,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297246086] [2023-11-29 06:46:25,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297246086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:25,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:25,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-29 06:46:25,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402640977] [2023-11-29 06:46:25,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:25,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 06:46:25,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:25,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 06:46:25,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2023-11-29 06:46:25,649 INFO L87 Difference]: Start difference. First operand 19430 states and 21602 transitions. Second operand has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:28,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:28,113 INFO L93 Difference]: Finished difference Result 21098 states and 23673 transitions. [2023-11-29 06:46:28,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 06:46:28,113 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:28,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:28,128 INFO L225 Difference]: With dead ends: 21098 [2023-11-29 06:46:28,129 INFO L226 Difference]: Without dead ends: 19944 [2023-11-29 06:46:28,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=574, Invalid=1682, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 06:46:28,133 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 3751 mSDsluCounter, 6078 mSDsCounter, 0 mSdLazyCounter, 2612 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3751 SdHoareTripleChecker+Valid, 6841 SdHoareTripleChecker+Invalid, 2793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 2612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:28,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3751 Valid, 6841 Invalid, 2793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 2612 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 06:46:28,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19944 states. [2023-11-29 06:46:28,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19944 to 19701. [2023-11-29 06:46:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19701 states, 19700 states have (on average 1.1185279187817259) internal successors, (22035), 19700 states have internal predecessors, (22035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19701 states to 19701 states and 22035 transitions. [2023-11-29 06:46:28,322 INFO L78 Accepts]: Start accepts. Automaton has 19701 states and 22035 transitions. Word has length 175 [2023-11-29 06:46:28,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:28,323 INFO L495 AbstractCegarLoop]: Abstraction has 19701 states and 22035 transitions. [2023-11-29 06:46:28,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.291666666666667) internal successors, (175), 24 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:28,323 INFO L276 IsEmpty]: Start isEmpty. Operand 19701 states and 22035 transitions. [2023-11-29 06:46:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:28,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:28,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:28,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-11-29 06:46:28,334 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:28,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:28,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1948367457, now seen corresponding path program 1 times [2023-11-29 06:46:28,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:28,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670125078] [2023-11-29 06:46:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:28,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:29,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:29,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670125078] [2023-11-29 06:46:29,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670125078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:29,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:29,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:46:29,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839561289] [2023-11-29 06:46:29,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:29,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:46:29,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:29,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:46:29,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:46:29,133 INFO L87 Difference]: Start difference. First operand 19701 states and 22035 transitions. Second operand has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:31,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:31,667 INFO L93 Difference]: Finished difference Result 21643 states and 24488 transitions. [2023-11-29 06:46:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 06:46:31,667 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:31,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:31,679 INFO L225 Difference]: With dead ends: 21643 [2023-11-29 06:46:31,680 INFO L226 Difference]: Without dead ends: 20901 [2023-11-29 06:46:31,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=347, Invalid=1293, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 06:46:31,684 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 3451 mSDsluCounter, 7829 mSDsCounter, 0 mSdLazyCounter, 3092 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3451 SdHoareTripleChecker+Valid, 8469 SdHoareTripleChecker+Invalid, 3183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:31,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3451 Valid, 8469 Invalid, 3183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3092 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 06:46:31,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20901 states. [2023-11-29 06:46:31,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20901 to 19396. [2023-11-29 06:46:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19396 states, 19395 states have (on average 1.119876256767208) internal successors, (21720), 19395 states have internal predecessors, (21720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19396 states to 19396 states and 21720 transitions. [2023-11-29 06:46:31,854 INFO L78 Accepts]: Start accepts. Automaton has 19396 states and 21720 transitions. Word has length 175 [2023-11-29 06:46:31,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:31,854 INFO L495 AbstractCegarLoop]: Abstraction has 19396 states and 21720 transitions. [2023-11-29 06:46:31,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 19396 states and 21720 transitions. [2023-11-29 06:46:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:31,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:31,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:31,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-11-29 06:46:31,865 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:31,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:31,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1101113282, now seen corresponding path program 1 times [2023-11-29 06:46:31,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:31,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067009622] [2023-11-29 06:46:31,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:31,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:32,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:32,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067009622] [2023-11-29 06:46:32,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067009622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:32,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:32,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 06:46:32,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551311404] [2023-11-29 06:46:32,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:32,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 06:46:32,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:32,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 06:46:32,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:46:32,593 INFO L87 Difference]: Start difference. First operand 19396 states and 21720 transitions. Second operand has 20 states, 20 states have (on average 8.75) internal successors, (175), 19 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:34,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:34,626 INFO L93 Difference]: Finished difference Result 21950 states and 24766 transitions. [2023-11-29 06:46:34,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 06:46:34,627 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.75) internal successors, (175), 19 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:34,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:34,639 INFO L225 Difference]: With dead ends: 21950 [2023-11-29 06:46:34,640 INFO L226 Difference]: Without dead ends: 19672 [2023-11-29 06:46:34,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=371, Invalid=1521, Unknown=0, NotChecked=0, Total=1892 [2023-11-29 06:46:34,645 INFO L413 NwaCegarLoop]: 888 mSDtfsCounter, 2600 mSDsluCounter, 10382 mSDsCounter, 0 mSdLazyCounter, 2974 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2600 SdHoareTripleChecker+Valid, 11270 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:34,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2600 Valid, 11270 Invalid, 2996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2974 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:46:34,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19672 states. [2023-11-29 06:46:34,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19672 to 19213. [2023-11-29 06:46:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19213 states, 19212 states have (on average 1.1158130335207161) internal successors, (21437), 19212 states have internal predecessors, (21437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19213 states to 19213 states and 21437 transitions. [2023-11-29 06:46:34,841 INFO L78 Accepts]: Start accepts. Automaton has 19213 states and 21437 transitions. Word has length 175 [2023-11-29 06:46:34,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:34,841 INFO L495 AbstractCegarLoop]: Abstraction has 19213 states and 21437 transitions. [2023-11-29 06:46:34,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.75) internal successors, (175), 19 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 19213 states and 21437 transitions. [2023-11-29 06:46:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:46:34,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:34,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:34,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-11-29 06:46:34,852 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:34,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:34,853 INFO L85 PathProgramCache]: Analyzing trace with hash 700755712, now seen corresponding path program 1 times [2023-11-29 06:46:34,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:34,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815712500] [2023-11-29 06:46:34,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:34,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:35,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:35,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815712500] [2023-11-29 06:46:35,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815712500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:35,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:35,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:46:35,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527074992] [2023-11-29 06:46:35,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:35,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:46:35,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:35,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:46:35,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:46:35,619 INFO L87 Difference]: Start difference. First operand 19213 states and 21437 transitions. Second operand has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:37,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:37,762 INFO L93 Difference]: Finished difference Result 21072 states and 23738 transitions. [2023-11-29 06:46:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 06:46:37,762 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-11-29 06:46:37,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:37,775 INFO L225 Difference]: With dead ends: 21072 [2023-11-29 06:46:37,775 INFO L226 Difference]: Without dead ends: 20115 [2023-11-29 06:46:37,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=310, Invalid=1172, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 06:46:37,780 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 2718 mSDsluCounter, 9012 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2718 SdHoareTripleChecker+Valid, 9769 SdHoareTripleChecker+Invalid, 3503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:37,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2718 Valid, 9769 Invalid, 3503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 06:46:37,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20115 states. [2023-11-29 06:46:37,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20115 to 18801. [2023-11-29 06:46:37,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18801 states, 18800 states have (on average 1.1177127659574468) internal successors, (21013), 18800 states have internal predecessors, (21013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:37,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18801 states to 18801 states and 21013 transitions. [2023-11-29 06:46:37,966 INFO L78 Accepts]: Start accepts. Automaton has 18801 states and 21013 transitions. Word has length 175 [2023-11-29 06:46:37,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:37,967 INFO L495 AbstractCegarLoop]: Abstraction has 18801 states and 21013 transitions. [2023-11-29 06:46:37,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 18801 states and 21013 transitions. [2023-11-29 06:46:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-29 06:46:37,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:37,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:37,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-11-29 06:46:37,978 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:37,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:37,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1008998445, now seen corresponding path program 1 times [2023-11-29 06:46:37,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:37,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030494643] [2023-11-29 06:46:37,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:37,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:38,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:38,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030494643] [2023-11-29 06:46:38,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030494643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:38,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:38,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:46:38,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350023966] [2023-11-29 06:46:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:38,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:46:38,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:38,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:46:38,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:46:38,053 INFO L87 Difference]: Start difference. First operand 18801 states and 21013 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:38,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:38,146 INFO L93 Difference]: Finished difference Result 27498 states and 32547 transitions. [2023-11-29 06:46:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:46:38,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 178 [2023-11-29 06:46:38,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:38,161 INFO L225 Difference]: With dead ends: 27498 [2023-11-29 06:46:38,161 INFO L226 Difference]: Without dead ends: 21914 [2023-11-29 06:46:38,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:46:38,167 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 157 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:38,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 688 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:46:38,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21914 states. [2023-11-29 06:46:38,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21914 to 21912. [2023-11-29 06:46:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21912 states, 21911 states have (on average 1.133905344347588) internal successors, (24845), 21911 states have internal predecessors, (24845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21912 states to 21912 states and 24845 transitions. [2023-11-29 06:46:38,392 INFO L78 Accepts]: Start accepts. Automaton has 21912 states and 24845 transitions. Word has length 178 [2023-11-29 06:46:38,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:38,393 INFO L495 AbstractCegarLoop]: Abstraction has 21912 states and 24845 transitions. [2023-11-29 06:46:38,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 21912 states and 24845 transitions. [2023-11-29 06:46:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 06:46:38,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:38,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:38,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-11-29 06:46:38,404 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:38,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:38,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1562845623, now seen corresponding path program 1 times [2023-11-29 06:46:38,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:38,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252252290] [2023-11-29 06:46:38,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:38,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:38,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:38,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252252290] [2023-11-29 06:46:38,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252252290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:38,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:38,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:46:38,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874369777] [2023-11-29 06:46:38,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:38,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:46:38,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:38,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:46:38,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:46:38,624 INFO L87 Difference]: Start difference. First operand 21912 states and 24845 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:38,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:38,727 INFO L93 Difference]: Finished difference Result 29037 states and 34054 transitions. [2023-11-29 06:46:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:46:38,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2023-11-29 06:46:38,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:38,746 INFO L225 Difference]: With dead ends: 29037 [2023-11-29 06:46:38,746 INFO L226 Difference]: Without dead ends: 29035 [2023-11-29 06:46:38,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:46:38,751 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 579 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 2049 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:38,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 2049 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:46:38,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29035 states. [2023-11-29 06:46:38,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29035 to 21966. [2023-11-29 06:46:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21966 states, 21965 states have (on average 1.13357614386524) internal successors, (24899), 21965 states have internal predecessors, (24899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21966 states to 21966 states and 24899 transitions. [2023-11-29 06:46:38,979 INFO L78 Accepts]: Start accepts. Automaton has 21966 states and 24899 transitions. Word has length 179 [2023-11-29 06:46:38,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:38,979 INFO L495 AbstractCegarLoop]: Abstraction has 21966 states and 24899 transitions. [2023-11-29 06:46:38,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 21966 states and 24899 transitions. [2023-11-29 06:46:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 06:46:38,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:38,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:38,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-11-29 06:46:38,990 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:38,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:38,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1560998581, now seen corresponding path program 1 times [2023-11-29 06:46:38,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:38,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622507555] [2023-11-29 06:46:38,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:38,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:39,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:39,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622507555] [2023-11-29 06:46:39,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622507555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:39,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:39,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:46:39,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355523251] [2023-11-29 06:46:39,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:39,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:46:39,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:39,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:46:39,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:46:39,176 INFO L87 Difference]: Start difference. First operand 21966 states and 24899 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:39,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:39,278 INFO L93 Difference]: Finished difference Result 26922 states and 31325 transitions. [2023-11-29 06:46:39,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:46:39,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2023-11-29 06:46:39,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:39,294 INFO L225 Difference]: With dead ends: 26922 [2023-11-29 06:46:39,294 INFO L226 Difference]: Without dead ends: 23054 [2023-11-29 06:46:39,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:46:39,299 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 270 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:39,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 944 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:46:39,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23054 states. [2023-11-29 06:46:39,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23054 to 23034. [2023-11-29 06:46:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23034 states, 23033 states have (on average 1.140146745973169) internal successors, (26261), 23033 states have internal predecessors, (26261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23034 states to 23034 states and 26261 transitions. [2023-11-29 06:46:39,509 INFO L78 Accepts]: Start accepts. Automaton has 23034 states and 26261 transitions. Word has length 179 [2023-11-29 06:46:39,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:39,509 INFO L495 AbstractCegarLoop]: Abstraction has 23034 states and 26261 transitions. [2023-11-29 06:46:39,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 23034 states and 26261 transitions. [2023-11-29 06:46:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 06:46:39,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:39,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:39,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-11-29 06:46:39,521 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:39,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1170304682, now seen corresponding path program 1 times [2023-11-29 06:46:39,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:39,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591731399] [2023-11-29 06:46:39,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:39,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:39,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:39,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591731399] [2023-11-29 06:46:39,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591731399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:39,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:39,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:46:39,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154676249] [2023-11-29 06:46:39,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:39,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:46:39,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:39,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:46:39,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:46:39,738 INFO L87 Difference]: Start difference. First operand 23034 states and 26261 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:39,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:39,839 INFO L93 Difference]: Finished difference Result 29080 states and 34097 transitions. [2023-11-29 06:46:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:46:39,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2023-11-29 06:46:39,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:39,861 INFO L225 Difference]: With dead ends: 29080 [2023-11-29 06:46:39,861 INFO L226 Difference]: Without dead ends: 29078 [2023-11-29 06:46:39,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:46:39,867 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 578 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:39,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 2265 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:46:39,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29078 states. [2023-11-29 06:46:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29078 to 23088. [2023-11-29 06:46:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23088 states, 23087 states have (on average 1.1398189457270325) internal successors, (26315), 23087 states have internal predecessors, (26315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:40,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23088 states to 23088 states and 26315 transitions. [2023-11-29 06:46:40,104 INFO L78 Accepts]: Start accepts. Automaton has 23088 states and 26315 transitions. Word has length 179 [2023-11-29 06:46:40,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:40,104 INFO L495 AbstractCegarLoop]: Abstraction has 23088 states and 26315 transitions. [2023-11-29 06:46:40,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:40,104 INFO L276 IsEmpty]: Start isEmpty. Operand 23088 states and 26315 transitions. [2023-11-29 06:46:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 06:46:40,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:40,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:40,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-11-29 06:46:40,115 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:40,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:40,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1172151724, now seen corresponding path program 1 times [2023-11-29 06:46:40,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:40,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257681954] [2023-11-29 06:46:40,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:40,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:40,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257681954] [2023-11-29 06:46:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257681954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:40,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:40,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:46:40,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835601910] [2023-11-29 06:46:40,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:40,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:46:40,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:46:40,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:46:40,272 INFO L87 Difference]: Start difference. First operand 23088 states and 26315 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:40,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:40,358 INFO L93 Difference]: Finished difference Result 28810 states and 33721 transitions. [2023-11-29 06:46:40,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:46:40,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2023-11-29 06:46:40,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:40,377 INFO L225 Difference]: With dead ends: 28810 [2023-11-29 06:46:40,377 INFO L226 Difference]: Without dead ends: 24942 [2023-11-29 06:46:40,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:46:40,384 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 427 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:40,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 875 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:46:40,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24942 states. [2023-11-29 06:46:40,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24942 to 24904. [2023-11-29 06:46:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24904 states, 24903 states have (on average 1.1500220856924868) internal successors, (28639), 24903 states have internal predecessors, (28639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24904 states to 24904 states and 28639 transitions. [2023-11-29 06:46:40,621 INFO L78 Accepts]: Start accepts. Automaton has 24904 states and 28639 transitions. Word has length 179 [2023-11-29 06:46:40,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:40,621 INFO L495 AbstractCegarLoop]: Abstraction has 24904 states and 28639 transitions. [2023-11-29 06:46:40,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 24904 states and 28639 transitions. [2023-11-29 06:46:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 06:46:40,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:40,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:40,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-11-29 06:46:40,632 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:40,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:40,633 INFO L85 PathProgramCache]: Analyzing trace with hash -966184076, now seen corresponding path program 1 times [2023-11-29 06:46:40,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:40,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667404053] [2023-11-29 06:46:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:40,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:40,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:40,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667404053] [2023-11-29 06:46:40,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667404053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:40,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:40,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:46:40,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146599732] [2023-11-29 06:46:40,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:40,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:46:40,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:40,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:46:40,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:46:40,913 INFO L87 Difference]: Start difference. First operand 24904 states and 28639 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:41,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:41,045 INFO L93 Difference]: Finished difference Result 31518 states and 37203 transitions. [2023-11-29 06:46:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:46:41,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2023-11-29 06:46:41,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:41,069 INFO L225 Difference]: With dead ends: 31518 [2023-11-29 06:46:41,069 INFO L226 Difference]: Without dead ends: 31516 [2023-11-29 06:46:41,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:46:41,076 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 577 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:41,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 2261 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:46:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31516 states. [2023-11-29 06:46:41,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31516 to 24958. [2023-11-29 06:46:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24958 states, 24957 states have (on average 1.149697479665024) internal successors, (28693), 24957 states have internal predecessors, (28693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24958 states to 24958 states and 28693 transitions. [2023-11-29 06:46:41,355 INFO L78 Accepts]: Start accepts. Automaton has 24958 states and 28693 transitions. Word has length 179 [2023-11-29 06:46:41,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:41,356 INFO L495 AbstractCegarLoop]: Abstraction has 24958 states and 28693 transitions. [2023-11-29 06:46:41,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 6 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand 24958 states and 28693 transitions. [2023-11-29 06:46:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 06:46:41,366 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:41,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:41,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-11-29 06:46:41,367 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:41,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:41,367 INFO L85 PathProgramCache]: Analyzing trace with hash -964337034, now seen corresponding path program 1 times [2023-11-29 06:46:41,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:41,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908724261] [2023-11-29 06:46:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:41,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:41,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:41,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908724261] [2023-11-29 06:46:41,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908724261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:41,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:41,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:46:41,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261845987] [2023-11-29 06:46:41,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:41,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:46:41,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:41,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:46:41,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:46:41,523 INFO L87 Difference]: Start difference. First operand 24958 states and 28693 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:41,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:41,643 INFO L93 Difference]: Finished difference Result 30680 states and 36099 transitions. [2023-11-29 06:46:41,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:46:41,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2023-11-29 06:46:41,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:41,663 INFO L225 Difference]: With dead ends: 30680 [2023-11-29 06:46:41,663 INFO L226 Difference]: Without dead ends: 26812 [2023-11-29 06:46:41,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:46:41,670 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 172 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:41,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1424 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:46:41,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26812 states. [2023-11-29 06:46:41,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26812 to 26774. [2023-11-29 06:46:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26774 states, 26773 states have (on average 1.1585179098345348) internal successors, (31017), 26773 states have internal predecessors, (31017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:41,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26774 states to 26774 states and 31017 transitions. [2023-11-29 06:46:41,919 INFO L78 Accepts]: Start accepts. Automaton has 26774 states and 31017 transitions. Word has length 179 [2023-11-29 06:46:41,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:41,919 INFO L495 AbstractCegarLoop]: Abstraction has 26774 states and 31017 transitions. [2023-11-29 06:46:41,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:41,919 INFO L276 IsEmpty]: Start isEmpty. Operand 26774 states and 31017 transitions. [2023-11-29 06:46:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:46:41,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:41,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:41,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-11-29 06:46:41,930 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:41,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1596239445, now seen corresponding path program 1 times [2023-11-29 06:46:41,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:41,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864236824] [2023-11-29 06:46:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:41,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:42,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:42,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864236824] [2023-11-29 06:46:42,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864236824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:42,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:42,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:46:42,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479228718] [2023-11-29 06:46:42,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:42,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 06:46:42,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:42,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:46:42,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:46:42,439 INFO L87 Difference]: Start difference. First operand 26774 states and 31017 transitions. Second operand has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:43,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:43,948 INFO L93 Difference]: Finished difference Result 36376 states and 43207 transitions. [2023-11-29 06:46:43,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 06:46:43,949 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:46:43,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:43,975 INFO L225 Difference]: With dead ends: 36376 [2023-11-29 06:46:43,975 INFO L226 Difference]: Without dead ends: 34176 [2023-11-29 06:46:43,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 06:46:43,983 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 2933 mSDsluCounter, 5443 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 6224 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:43,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 6224 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:46:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34176 states. [2023-11-29 06:46:44,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34176 to 26714. [2023-11-29 06:46:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26714 states, 26713 states have (on average 1.1578632126679893) internal successors, (30930), 26713 states have internal predecessors, (30930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26714 states to 26714 states and 30930 transitions. [2023-11-29 06:46:44,260 INFO L78 Accepts]: Start accepts. Automaton has 26714 states and 30930 transitions. Word has length 181 [2023-11-29 06:46:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:44,260 INFO L495 AbstractCegarLoop]: Abstraction has 26714 states and 30930 transitions. [2023-11-29 06:46:44,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 26714 states and 30930 transitions. [2023-11-29 06:46:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:46:44,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:44,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:44,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-11-29 06:46:44,272 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:44,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:44,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1480874966, now seen corresponding path program 1 times [2023-11-29 06:46:44,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:44,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437490626] [2023-11-29 06:46:44,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:44,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:44,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:44,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437490626] [2023-11-29 06:46:44,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437490626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:44,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:44,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:46:44,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675006448] [2023-11-29 06:46:44,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:44,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 06:46:44,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:44,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:46:44,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:46:44,818 INFO L87 Difference]: Start difference. First operand 26714 states and 30930 transitions. Second operand has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:46,286 INFO L93 Difference]: Finished difference Result 35547 states and 42088 transitions. [2023-11-29 06:46:46,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 06:46:46,287 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:46:46,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:46,312 INFO L225 Difference]: With dead ends: 35547 [2023-11-29 06:46:46,312 INFO L226 Difference]: Without dead ends: 33427 [2023-11-29 06:46:46,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 06:46:46,320 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 4225 mSDsluCounter, 4658 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 5336 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:46,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4225 Valid, 5336 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:46:46,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33427 states. [2023-11-29 06:46:46,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33427 to 26517. [2023-11-29 06:46:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26517 states, 26516 states have (on average 1.1572258259164279) internal successors, (30685), 26516 states have internal predecessors, (30685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26517 states to 26517 states and 30685 transitions. [2023-11-29 06:46:46,596 INFO L78 Accepts]: Start accepts. Automaton has 26517 states and 30685 transitions. Word has length 181 [2023-11-29 06:46:46,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:46,596 INFO L495 AbstractCegarLoop]: Abstraction has 26517 states and 30685 transitions. [2023-11-29 06:46:46,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:46,596 INFO L276 IsEmpty]: Start isEmpty. Operand 26517 states and 30685 transitions. [2023-11-29 06:46:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:46:46,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:46,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:46,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-11-29 06:46:46,607 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:46,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:46,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2007590880, now seen corresponding path program 1 times [2023-11-29 06:46:46,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:46,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701937226] [2023-11-29 06:46:46,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:46,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:47,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:47,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701937226] [2023-11-29 06:46:47,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701937226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:47,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:47,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 06:46:47,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458483901] [2023-11-29 06:46:47,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:47,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:46:47,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:47,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:46:47,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:46:47,001 INFO L87 Difference]: Start difference. First operand 26517 states and 30685 transitions. Second operand has 14 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:47,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:47,844 INFO L93 Difference]: Finished difference Result 27684 states and 32152 transitions. [2023-11-29 06:46:47,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:46:47,844 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:46:47,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:47,863 INFO L225 Difference]: With dead ends: 27684 [2023-11-29 06:46:47,863 INFO L226 Difference]: Without dead ends: 24825 [2023-11-29 06:46:47,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2023-11-29 06:46:47,869 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 1671 mSDsluCounter, 4658 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 5298 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:47,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1671 Valid, 5298 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:46:47,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24825 states. [2023-11-29 06:46:48,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24825 to 24755. [2023-11-29 06:46:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24755 states, 24754 states have (on average 1.1622364062373758) internal successors, (28770), 24754 states have internal predecessors, (28770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24755 states to 24755 states and 28770 transitions. [2023-11-29 06:46:48,092 INFO L78 Accepts]: Start accepts. Automaton has 24755 states and 28770 transitions. Word has length 181 [2023-11-29 06:46:48,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:48,092 INFO L495 AbstractCegarLoop]: Abstraction has 24755 states and 28770 transitions. [2023-11-29 06:46:48,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 24755 states and 28770 transitions. [2023-11-29 06:46:48,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:46:48,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:48,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:48,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-11-29 06:46:48,100 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:48,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:48,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1744696716, now seen corresponding path program 1 times [2023-11-29 06:46:48,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:48,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711339442] [2023-11-29 06:46:48,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:48,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:48,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:48,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711339442] [2023-11-29 06:46:48,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711339442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:48,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:48,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 06:46:48,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419332686] [2023-11-29 06:46:48,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:48,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:46:48,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:48,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:46:48,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:46:48,757 INFO L87 Difference]: Start difference. First operand 24755 states and 28770 transitions. Second operand has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:50,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:50,275 INFO L93 Difference]: Finished difference Result 36197 states and 43218 transitions. [2023-11-29 06:46:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:46:50,275 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:46:50,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:50,303 INFO L225 Difference]: With dead ends: 36197 [2023-11-29 06:46:50,303 INFO L226 Difference]: Without dead ends: 33992 [2023-11-29 06:46:50,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=328, Invalid=932, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 06:46:50,310 INFO L413 NwaCegarLoop]: 991 mSDtfsCounter, 3425 mSDsluCounter, 8122 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 9113 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:50,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 9113 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 06:46:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33992 states. [2023-11-29 06:46:50,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33992 to 24647. [2023-11-29 06:46:50,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24647 states, 24646 states have (on average 1.1624604398279639) internal successors, (28650), 24646 states have internal predecessors, (28650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24647 states to 24647 states and 28650 transitions. [2023-11-29 06:46:50,591 INFO L78 Accepts]: Start accepts. Automaton has 24647 states and 28650 transitions. Word has length 181 [2023-11-29 06:46:50,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:50,592 INFO L495 AbstractCegarLoop]: Abstraction has 24647 states and 28650 transitions. [2023-11-29 06:46:50,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 24647 states and 28650 transitions. [2023-11-29 06:46:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:46:50,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:50,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:50,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-11-29 06:46:50,600 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:50,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:50,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1454794199, now seen corresponding path program 1 times [2023-11-29 06:46:50,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:50,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644211850] [2023-11-29 06:46:50,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:50,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:51,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:51,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644211850] [2023-11-29 06:46:51,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644211850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:51,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:51,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 06:46:51,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341784613] [2023-11-29 06:46:51,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:51,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:46:51,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:51,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:46:51,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:46:51,033 INFO L87 Difference]: Start difference. First operand 24647 states and 28650 transitions. Second operand has 14 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:51,743 INFO L93 Difference]: Finished difference Result 27235 states and 31834 transitions. [2023-11-29 06:46:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:46:51,744 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:46:51,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:51,760 INFO L225 Difference]: With dead ends: 27235 [2023-11-29 06:46:51,760 INFO L226 Difference]: Without dead ends: 23016 [2023-11-29 06:46:51,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2023-11-29 06:46:51,766 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 2203 mSDsluCounter, 3674 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2203 SdHoareTripleChecker+Valid, 4170 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:51,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2203 Valid, 4170 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:46:51,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23016 states. [2023-11-29 06:46:51,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23016 to 22880. [2023-11-29 06:46:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22880 states, 22879 states have (on average 1.1728222387342104) internal successors, (26833), 22879 states have internal predecessors, (26833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22880 states to 22880 states and 26833 transitions. [2023-11-29 06:46:51,962 INFO L78 Accepts]: Start accepts. Automaton has 22880 states and 26833 transitions. Word has length 181 [2023-11-29 06:46:51,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:51,962 INFO L495 AbstractCegarLoop]: Abstraction has 22880 states and 26833 transitions. [2023-11-29 06:46:51,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 22880 states and 26833 transitions. [2023-11-29 06:46:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:46:51,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:51,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:51,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-11-29 06:46:51,969 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:51,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:51,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1141074449, now seen corresponding path program 1 times [2023-11-29 06:46:51,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:51,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105744169] [2023-11-29 06:46:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:52,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:52,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:52,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105744169] [2023-11-29 06:46:52,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105744169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:52,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:52,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:46:52,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554965463] [2023-11-29 06:46:52,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:52,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 06:46:52,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:52,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:46:52,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:46:52,433 INFO L87 Difference]: Start difference. First operand 22880 states and 26833 transitions. Second operand has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:53,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:53,801 INFO L93 Difference]: Finished difference Result 32064 states and 38411 transitions. [2023-11-29 06:46:53,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 06:46:53,802 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:46:53,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:53,827 INFO L225 Difference]: With dead ends: 32064 [2023-11-29 06:46:53,827 INFO L226 Difference]: Without dead ends: 30821 [2023-11-29 06:46:53,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=344, Invalid=916, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 06:46:53,834 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 2698 mSDsluCounter, 5797 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:53,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 6637 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:46:53,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30821 states. [2023-11-29 06:46:54,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30821 to 22722. [2023-11-29 06:46:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22722 states, 22721 states have (on average 1.1734958848642225) internal successors, (26663), 22721 states have internal predecessors, (26663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22722 states to 22722 states and 26663 transitions. [2023-11-29 06:46:54,096 INFO L78 Accepts]: Start accepts. Automaton has 22722 states and 26663 transitions. Word has length 181 [2023-11-29 06:46:54,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:54,097 INFO L495 AbstractCegarLoop]: Abstraction has 22722 states and 26663 transitions. [2023-11-29 06:46:54,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 22722 states and 26663 transitions. [2023-11-29 06:46:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:46:54,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:54,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:54,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-11-29 06:46:54,104 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:54,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:54,105 INFO L85 PathProgramCache]: Analyzing trace with hash 184775738, now seen corresponding path program 1 times [2023-11-29 06:46:54,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:54,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87261323] [2023-11-29 06:46:54,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:54,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:55,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:55,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87261323] [2023-11-29 06:46:55,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87261323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:55,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:55,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 06:46:55,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826266290] [2023-11-29 06:46:55,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:55,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 06:46:55,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:55,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 06:46:55,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:46:55,083 INFO L87 Difference]: Start difference. First operand 22722 states and 26663 transitions. Second operand has 21 states, 21 states have (on average 8.619047619047619) internal successors, (181), 21 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:58,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:46:58,306 INFO L93 Difference]: Finished difference Result 27792 states and 33060 transitions. [2023-11-29 06:46:58,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-29 06:46:58,307 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.619047619047619) internal successors, (181), 21 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:46:58,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:46:58,328 INFO L225 Difference]: With dead ends: 27792 [2023-11-29 06:46:58,328 INFO L226 Difference]: Without dead ends: 27075 [2023-11-29 06:46:58,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=709, Invalid=2483, Unknown=0, NotChecked=0, Total=3192 [2023-11-29 06:46:58,335 INFO L413 NwaCegarLoop]: 711 mSDtfsCounter, 3803 mSDsluCounter, 8264 mSDsCounter, 0 mSdLazyCounter, 3206 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 8975 SdHoareTripleChecker+Invalid, 3308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:46:58,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3803 Valid, 8975 Invalid, 3308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3206 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 06:46:58,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27075 states. [2023-11-29 06:46:58,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27075 to 22741. [2023-11-29 06:46:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22741 states, 22740 states have (on average 1.173306948109059) internal successors, (26681), 22740 states have internal predecessors, (26681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22741 states to 22741 states and 26681 transitions. [2023-11-29 06:46:58,561 INFO L78 Accepts]: Start accepts. Automaton has 22741 states and 26681 transitions. Word has length 181 [2023-11-29 06:46:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:46:58,561 INFO L495 AbstractCegarLoop]: Abstraction has 22741 states and 26681 transitions. [2023-11-29 06:46:58,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.619047619047619) internal successors, (181), 21 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:46:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 22741 states and 26681 transitions. [2023-11-29 06:46:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:46:58,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:46:58,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:46:58,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-11-29 06:46:58,568 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:46:58,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:46:58,569 INFO L85 PathProgramCache]: Analyzing trace with hash 622321120, now seen corresponding path program 1 times [2023-11-29 06:46:58,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:46:58,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68515186] [2023-11-29 06:46:58,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:46:58,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:46:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:46:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:46:59,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:46:59,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68515186] [2023-11-29 06:46:59,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68515186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:46:59,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:46:59,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:46:59,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202411098] [2023-11-29 06:46:59,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:46:59,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 06:46:59,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:46:59,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:46:59,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:46:59,120 INFO L87 Difference]: Start difference. First operand 22741 states and 26681 transitions. Second operand has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:00,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:00,840 INFO L93 Difference]: Finished difference Result 30887 states and 37075 transitions. [2023-11-29 06:47:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 06:47:00,840 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:47:00,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:00,864 INFO L225 Difference]: With dead ends: 30887 [2023-11-29 06:47:00,864 INFO L226 Difference]: Without dead ends: 29517 [2023-11-29 06:47:00,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=479, Invalid=1327, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 06:47:00,871 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 3397 mSDsluCounter, 4771 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:00,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3397 Valid, 5546 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:47:00,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29517 states. [2023-11-29 06:47:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29517 to 22656. [2023-11-29 06:47:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22656 states, 22655 states have (on average 1.1734716398146106) internal successors, (26585), 22655 states have internal predecessors, (26585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22656 states to 22656 states and 26585 transitions. [2023-11-29 06:47:01,117 INFO L78 Accepts]: Start accepts. Automaton has 22656 states and 26585 transitions. Word has length 181 [2023-11-29 06:47:01,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:01,118 INFO L495 AbstractCegarLoop]: Abstraction has 22656 states and 26585 transitions. [2023-11-29 06:47:01,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 22656 states and 26585 transitions. [2023-11-29 06:47:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:47:01,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:01,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:01,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-11-29 06:47:01,125 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:01,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:01,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1894635154, now seen corresponding path program 1 times [2023-11-29 06:47:01,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:01,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423443502] [2023-11-29 06:47:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:01,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:01,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:01,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423443502] [2023-11-29 06:47:01,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423443502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:01,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:01,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:47:01,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163023190] [2023-11-29 06:47:01,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:01,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 06:47:01,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:01,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:47:01,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:47:01,658 INFO L87 Difference]: Start difference. First operand 22656 states and 26585 transitions. Second operand has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:02,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:02,830 INFO L93 Difference]: Finished difference Result 32516 states and 39022 transitions. [2023-11-29 06:47:02,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:47:02,831 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:47:02,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:02,854 INFO L225 Difference]: With dead ends: 32516 [2023-11-29 06:47:02,855 INFO L226 Difference]: Without dead ends: 29919 [2023-11-29 06:47:02,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=319, Invalid=871, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 06:47:02,861 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 3301 mSDsluCounter, 5255 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 5988 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:02,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3301 Valid, 5988 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:47:02,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29919 states. [2023-11-29 06:47:03,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29919 to 22284. [2023-11-29 06:47:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22284 states, 22283 states have (on average 1.1746174213526006) internal successors, (26174), 22283 states have internal predecessors, (26174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22284 states to 22284 states and 26174 transitions. [2023-11-29 06:47:03,094 INFO L78 Accepts]: Start accepts. Automaton has 22284 states and 26174 transitions. Word has length 181 [2023-11-29 06:47:03,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:03,094 INFO L495 AbstractCegarLoop]: Abstraction has 22284 states and 26174 transitions. [2023-11-29 06:47:03,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 22284 states and 26174 transitions. [2023-11-29 06:47:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:47:03,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:03,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:03,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-11-29 06:47:03,102 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:03,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:03,102 INFO L85 PathProgramCache]: Analyzing trace with hash -909516011, now seen corresponding path program 1 times [2023-11-29 06:47:03,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:03,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624885005] [2023-11-29 06:47:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:03,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:03,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:03,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624885005] [2023-11-29 06:47:03,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624885005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:03,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:03,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 06:47:03,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364454950] [2023-11-29 06:47:03,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:03,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 06:47:03,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:03,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:47:03,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:47:03,594 INFO L87 Difference]: Start difference. First operand 22284 states and 26174 transitions. Second operand has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:04,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:04,704 INFO L93 Difference]: Finished difference Result 27020 states and 31767 transitions. [2023-11-29 06:47:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:47:04,705 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:47:04,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:04,720 INFO L225 Difference]: With dead ends: 27020 [2023-11-29 06:47:04,720 INFO L226 Difference]: Without dead ends: 21607 [2023-11-29 06:47:04,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2023-11-29 06:47:04,726 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 2003 mSDsluCounter, 5604 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 6352 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:04,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 6352 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:47:04,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21607 states. [2023-11-29 06:47:04,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21607 to 20992. [2023-11-29 06:47:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20992 states, 20991 states have (on average 1.182411509694631) internal successors, (24820), 20991 states have internal predecessors, (24820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20992 states to 20992 states and 24820 transitions. [2023-11-29 06:47:04,906 INFO L78 Accepts]: Start accepts. Automaton has 20992 states and 24820 transitions. Word has length 181 [2023-11-29 06:47:04,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:04,907 INFO L495 AbstractCegarLoop]: Abstraction has 20992 states and 24820 transitions. [2023-11-29 06:47:04,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 20992 states and 24820 transitions. [2023-11-29 06:47:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 06:47:04,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:04,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:04,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-11-29 06:47:04,913 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:04,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:04,913 INFO L85 PathProgramCache]: Analyzing trace with hash 955355744, now seen corresponding path program 1 times [2023-11-29 06:47:04,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:04,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478531098] [2023-11-29 06:47:04,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:04,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:05,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:05,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:05,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478531098] [2023-11-29 06:47:05,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478531098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:05,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:05,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:47:05,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913262170] [2023-11-29 06:47:05,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:05,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 06:47:05,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:05,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:47:05,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:47:05,402 INFO L87 Difference]: Start difference. First operand 20992 states and 24820 transitions. Second operand has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:06,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:06,707 INFO L93 Difference]: Finished difference Result 30905 states and 37429 transitions. [2023-11-29 06:47:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:47:06,708 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-11-29 06:47:06,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:06,730 INFO L225 Difference]: With dead ends: 30905 [2023-11-29 06:47:06,730 INFO L226 Difference]: Without dead ends: 27596 [2023-11-29 06:47:06,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=364, Invalid=968, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 06:47:06,737 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 3614 mSDsluCounter, 5070 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3614 SdHoareTripleChecker+Valid, 5817 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:06,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3614 Valid, 5817 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:47:06,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27596 states. [2023-11-29 06:47:06,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27596 to 20632. [2023-11-29 06:47:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20632 states, 20631 states have (on average 1.1842857835296399) internal successors, (24433), 20631 states have internal predecessors, (24433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20632 states to 20632 states and 24433 transitions. [2023-11-29 06:47:06,952 INFO L78 Accepts]: Start accepts. Automaton has 20632 states and 24433 transitions. Word has length 181 [2023-11-29 06:47:06,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:06,953 INFO L495 AbstractCegarLoop]: Abstraction has 20632 states and 24433 transitions. [2023-11-29 06:47:06,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 20632 states and 24433 transitions. [2023-11-29 06:47:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 06:47:06,960 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:06,960 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:06,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-11-29 06:47:06,960 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:06,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash -104651388, now seen corresponding path program 1 times [2023-11-29 06:47:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:06,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610630116] [2023-11-29 06:47:06,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:07,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:07,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610630116] [2023-11-29 06:47:07,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610630116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:07,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:07,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:47:07,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617031241] [2023-11-29 06:47:07,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:07,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:47:07,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:07,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:47:07,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:47:07,086 INFO L87 Difference]: Start difference. First operand 20632 states and 24433 transitions. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:07,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:07,213 INFO L93 Difference]: Finished difference Result 29348 states and 35706 transitions. [2023-11-29 06:47:07,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:47:07,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 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 194 [2023-11-29 06:47:07,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:07,233 INFO L225 Difference]: With dead ends: 29348 [2023-11-29 06:47:07,233 INFO L226 Difference]: Without dead ends: 24448 [2023-11-29 06:47:07,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:47:07,240 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 685 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:07,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 928 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:47:07,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24448 states. [2023-11-29 06:47:07,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24448 to 22538. [2023-11-29 06:47:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22538 states, 22537 states have (on average 1.189643697031548) internal successors, (26811), 22537 states have internal predecessors, (26811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22538 states to 22538 states and 26811 transitions. [2023-11-29 06:47:07,455 INFO L78 Accepts]: Start accepts. Automaton has 22538 states and 26811 transitions. Word has length 194 [2023-11-29 06:47:07,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:07,456 INFO L495 AbstractCegarLoop]: Abstraction has 22538 states and 26811 transitions. [2023-11-29 06:47:07,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 22538 states and 26811 transitions. [2023-11-29 06:47:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 06:47:07,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:07,463 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:07,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-11-29 06:47:07,464 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:07,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:07,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1360156925, now seen corresponding path program 1 times [2023-11-29 06:47:07,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:07,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18056352] [2023-11-29 06:47:07,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:07,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:07,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:07,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18056352] [2023-11-29 06:47:07,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18056352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:07,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:07,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:47:07,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578235753] [2023-11-29 06:47:07,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:07,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:47:07,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:07,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:47:07,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:47:07,582 INFO L87 Difference]: Start difference. First operand 22538 states and 26811 transitions. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:07,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:07,699 INFO L93 Difference]: Finished difference Result 30096 states and 36578 transitions. [2023-11-29 06:47:07,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:47:07,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 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 194 [2023-11-29 06:47:07,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:07,717 INFO L225 Difference]: With dead ends: 30096 [2023-11-29 06:47:07,717 INFO L226 Difference]: Without dead ends: 24448 [2023-11-29 06:47:07,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:47:07,724 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 537 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:07,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1376 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:47:07,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24448 states. [2023-11-29 06:47:07,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24448 to 22538. [2023-11-29 06:47:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22538 states, 22537 states have (on average 1.186448950614545) internal successors, (26739), 22537 states have internal predecessors, (26739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:07,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22538 states to 22538 states and 26739 transitions. [2023-11-29 06:47:07,934 INFO L78 Accepts]: Start accepts. Automaton has 22538 states and 26739 transitions. Word has length 194 [2023-11-29 06:47:07,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:07,934 INFO L495 AbstractCegarLoop]: Abstraction has 22538 states and 26739 transitions. [2023-11-29 06:47:07,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:07,934 INFO L276 IsEmpty]: Start isEmpty. Operand 22538 states and 26739 transitions. [2023-11-29 06:47:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 06:47:07,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:07,941 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:07,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-11-29 06:47:07,942 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:07,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:07,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1772194567, now seen corresponding path program 1 times [2023-11-29 06:47:07,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:07,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119491751] [2023-11-29 06:47:07,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:07,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:08,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:08,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119491751] [2023-11-29 06:47:08,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119491751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:08,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:08,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:47:08,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207686329] [2023-11-29 06:47:08,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:08,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:47:08,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:08,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:47:08,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:47:08,062 INFO L87 Difference]: Start difference. First operand 22538 states and 26739 transitions. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:08,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:08,186 INFO L93 Difference]: Finished difference Result 30096 states and 36470 transitions. [2023-11-29 06:47:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:47:08,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 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 194 [2023-11-29 06:47:08,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:08,205 INFO L225 Difference]: With dead ends: 30096 [2023-11-29 06:47:08,205 INFO L226 Difference]: Without dead ends: 24448 [2023-11-29 06:47:08,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:47:08,211 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 505 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:08,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 1434 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:47:08,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24448 states. [2023-11-29 06:47:08,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24448 to 20632. [2023-11-29 06:47:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20632 states, 20631 states have (on average 1.172943628520188) internal successors, (24199), 20631 states have internal predecessors, (24199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20632 states to 20632 states and 24199 transitions. [2023-11-29 06:47:08,410 INFO L78 Accepts]: Start accepts. Automaton has 20632 states and 24199 transitions. Word has length 194 [2023-11-29 06:47:08,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:08,411 INFO L495 AbstractCegarLoop]: Abstraction has 20632 states and 24199 transitions. [2023-11-29 06:47:08,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 20632 states and 24199 transitions. [2023-11-29 06:47:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 06:47:08,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:08,418 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:08,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-11-29 06:47:08,418 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:08,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:08,419 INFO L85 PathProgramCache]: Analyzing trace with hash -689320263, now seen corresponding path program 1 times [2023-11-29 06:47:08,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:08,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033108994] [2023-11-29 06:47:08,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:08,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:08,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:08,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033108994] [2023-11-29 06:47:08,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033108994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:08,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:08,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:47:08,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310283713] [2023-11-29 06:47:08,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:08,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:47:08,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:08,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:47:08,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:47:08,521 INFO L87 Difference]: Start difference. First operand 20632 states and 24199 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:08,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:08,601 INFO L93 Difference]: Finished difference Result 25498 states and 30391 transitions. [2023-11-29 06:47:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:47:08,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 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 195 [2023-11-29 06:47:08,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:08,616 INFO L225 Difference]: With dead ends: 25498 [2023-11-29 06:47:08,616 INFO L226 Difference]: Without dead ends: 19904 [2023-11-29 06:47:08,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:47:08,621 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 143 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:08,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 945 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:47:08,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19904 states. [2023-11-29 06:47:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19904 to 19884. [2023-11-29 06:47:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19884 states, 19883 states have (on average 1.1668762259216416) internal successors, (23201), 19883 states have internal predecessors, (23201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:08,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19884 states to 19884 states and 23201 transitions. [2023-11-29 06:47:08,797 INFO L78 Accepts]: Start accepts. Automaton has 19884 states and 23201 transitions. Word has length 195 [2023-11-29 06:47:08,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:08,797 INFO L495 AbstractCegarLoop]: Abstraction has 19884 states and 23201 transitions. [2023-11-29 06:47:08,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 19884 states and 23201 transitions. [2023-11-29 06:47:08,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 06:47:08,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:08,805 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:08,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-11-29 06:47:08,805 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:08,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:08,806 INFO L85 PathProgramCache]: Analyzing trace with hash -955286246, now seen corresponding path program 1 times [2023-11-29 06:47:08,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:08,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036137442] [2023-11-29 06:47:08,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:08,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:08,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:08,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036137442] [2023-11-29 06:47:08,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036137442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:08,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:08,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:47:08,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751414634] [2023-11-29 06:47:08,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:08,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:47:08,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:08,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:47:08,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:47:08,944 INFO L87 Difference]: Start difference. First operand 19884 states and 23201 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:09,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:09,036 INFO L93 Difference]: Finished difference Result 30694 states and 36949 transitions. [2023-11-29 06:47:09,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:47:09,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 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 195 [2023-11-29 06:47:09,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:09,050 INFO L225 Difference]: With dead ends: 30694 [2023-11-29 06:47:09,050 INFO L226 Difference]: Without dead ends: 17980 [2023-11-29 06:47:09,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:47:09,057 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 287 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:09,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 747 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:47:09,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17980 states. [2023-11-29 06:47:09,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17980 to 17978. [2023-11-29 06:47:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17978 states, 17977 states have (on average 1.1493018857428936) internal successors, (20661), 17977 states have internal predecessors, (20661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17978 states to 17978 states and 20661 transitions. [2023-11-29 06:47:09,259 INFO L78 Accepts]: Start accepts. Automaton has 17978 states and 20661 transitions. Word has length 195 [2023-11-29 06:47:09,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:09,260 INFO L495 AbstractCegarLoop]: Abstraction has 17978 states and 20661 transitions. [2023-11-29 06:47:09,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 17978 states and 20661 transitions. [2023-11-29 06:47:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 06:47:09,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:09,267 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:09,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-11-29 06:47:09,267 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:09,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:09,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1837372220, now seen corresponding path program 1 times [2023-11-29 06:47:09,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:09,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331121992] [2023-11-29 06:47:09,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:09,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:09,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:09,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331121992] [2023-11-29 06:47:09,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331121992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:09,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:09,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:47:09,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308176648] [2023-11-29 06:47:09,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:09,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:47:09,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:09,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:47:09,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:47:09,462 INFO L87 Difference]: Start difference. First operand 17978 states and 20661 transitions. Second operand has 8 states, 8 states have (on average 24.875) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:09,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:09,808 INFO L93 Difference]: Finished difference Result 41410 states and 50118 transitions. [2023-11-29 06:47:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:47:09,809 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2023-11-29 06:47:09,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:09,837 INFO L225 Difference]: With dead ends: 41410 [2023-11-29 06:47:09,837 INFO L226 Difference]: Without dead ends: 35210 [2023-11-29 06:47:09,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:47:09,846 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 2811 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:09,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 983 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:47:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35210 states. [2023-11-29 06:47:10,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35210 to 21902. [2023-11-29 06:47:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21902 states, 21901 states have (on average 1.1679375370987626) internal successors, (25579), 21901 states have internal predecessors, (25579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21902 states to 21902 states and 25579 transitions. [2023-11-29 06:47:10,115 INFO L78 Accepts]: Start accepts. Automaton has 21902 states and 25579 transitions. Word has length 199 [2023-11-29 06:47:10,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:10,116 INFO L495 AbstractCegarLoop]: Abstraction has 21902 states and 25579 transitions. [2023-11-29 06:47:10,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:10,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21902 states and 25579 transitions. [2023-11-29 06:47:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 06:47:10,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:10,123 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:10,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-11-29 06:47:10,123 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:10,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:10,124 INFO L85 PathProgramCache]: Analyzing trace with hash 582632857, now seen corresponding path program 1 times [2023-11-29 06:47:10,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:10,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329908158] [2023-11-29 06:47:10,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:10,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:10,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:10,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329908158] [2023-11-29 06:47:10,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329908158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:10,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:10,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:47:10,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242896435] [2023-11-29 06:47:10,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:10,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:47:10,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:10,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:47:10,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:47:10,318 INFO L87 Difference]: Start difference. First operand 21902 states and 25579 transitions. Second operand has 8 states, 8 states have (on average 24.875) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:10,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:10,688 INFO L93 Difference]: Finished difference Result 59148 states and 71865 transitions. [2023-11-29 06:47:10,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:47:10,689 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2023-11-29 06:47:10,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:10,734 INFO L225 Difference]: With dead ends: 59148 [2023-11-29 06:47:10,734 INFO L226 Difference]: Without dead ends: 50764 [2023-11-29 06:47:10,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:47:10,747 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2353 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2353 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:10,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2353 Valid, 1005 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:47:10,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50764 states. [2023-11-29 06:47:11,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50764 to 25493. [2023-11-29 06:47:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25493 states, 25492 states have (on average 1.177271300800251) internal successors, (30011), 25492 states have internal predecessors, (30011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25493 states to 25493 states and 30011 transitions. [2023-11-29 06:47:11,117 INFO L78 Accepts]: Start accepts. Automaton has 25493 states and 30011 transitions. Word has length 199 [2023-11-29 06:47:11,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:11,117 INFO L495 AbstractCegarLoop]: Abstraction has 25493 states and 30011 transitions. [2023-11-29 06:47:11,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 25493 states and 30011 transitions. [2023-11-29 06:47:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-29 06:47:11,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:11,125 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:11,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-11-29 06:47:11,125 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:11,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:11,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1189828954, now seen corresponding path program 1 times [2023-11-29 06:47:11,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:11,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785218425] [2023-11-29 06:47:11,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:11,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:11,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:11,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785218425] [2023-11-29 06:47:11,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785218425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:11,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:11,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:47:11,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931248319] [2023-11-29 06:47:11,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:11,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:47:11,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:11,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:47:11,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:11,192 INFO L87 Difference]: Start difference. First operand 25493 states and 30011 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:11,298 INFO L93 Difference]: Finished difference Result 34802 states and 41676 transitions. [2023-11-29 06:47:11,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:47:11,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 204 [2023-11-29 06:47:11,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:11,305 INFO L225 Difference]: With dead ends: 34802 [2023-11-29 06:47:11,305 INFO L226 Difference]: Without dead ends: 8746 [2023-11-29 06:47:11,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:11,313 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 151 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:11,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 728 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:47:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8746 states. [2023-11-29 06:47:11,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8746 to 8730. [2023-11-29 06:47:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8730 states, 8729 states have (on average 1.0709130484591591) internal successors, (9348), 8729 states have internal predecessors, (9348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8730 states to 8730 states and 9348 transitions. [2023-11-29 06:47:11,397 INFO L78 Accepts]: Start accepts. Automaton has 8730 states and 9348 transitions. Word has length 204 [2023-11-29 06:47:11,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:11,397 INFO L495 AbstractCegarLoop]: Abstraction has 8730 states and 9348 transitions. [2023-11-29 06:47:11,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 8730 states and 9348 transitions. [2023-11-29 06:47:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-29 06:47:11,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:11,403 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:11,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-11-29 06:47:11,403 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:11,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:11,403 INFO L85 PathProgramCache]: Analyzing trace with hash -99008404, now seen corresponding path program 1 times [2023-11-29 06:47:11,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:11,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810962608] [2023-11-29 06:47:11,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:11,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:11,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:11,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810962608] [2023-11-29 06:47:11,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810962608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:11,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:11,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:47:11,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123452702] [2023-11-29 06:47:11,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:11,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:47:11,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:11,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:47:11,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:47:11,523 INFO L87 Difference]: Start difference. First operand 8730 states and 9348 transitions. Second operand has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:11,571 INFO L93 Difference]: Finished difference Result 10922 states and 11894 transitions. [2023-11-29 06:47:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:47:11,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 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 210 [2023-11-29 06:47:11,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:11,575 INFO L225 Difference]: With dead ends: 10922 [2023-11-29 06:47:11,575 INFO L226 Difference]: Without dead ends: 5941 [2023-11-29 06:47:11,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:47:11,577 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 32 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:11,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1038 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:47:11,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5941 states. [2023-11-29 06:47:11,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5941 to 5923. [2023-11-29 06:47:11,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5923 states, 5922 states have (on average 1.0764944275582573) internal successors, (6375), 5922 states have internal predecessors, (6375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5923 states to 5923 states and 6375 transitions. [2023-11-29 06:47:11,627 INFO L78 Accepts]: Start accepts. Automaton has 5923 states and 6375 transitions. Word has length 210 [2023-11-29 06:47:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:11,627 INFO L495 AbstractCegarLoop]: Abstraction has 5923 states and 6375 transitions. [2023-11-29 06:47:11,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5923 states and 6375 transitions. [2023-11-29 06:47:11,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-29 06:47:11,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:47:11,630 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:11,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-11-29 06:47:11,631 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 06:47:11,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:11,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1299026840, now seen corresponding path program 1 times [2023-11-29 06:47:11,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:11,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566887894] [2023-11-29 06:47:11,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:11,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:47:11,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:11,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566887894] [2023-11-29 06:47:11,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566887894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:11,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:11,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:47:11,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588734257] [2023-11-29 06:47:11,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:11,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:47:11,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:11,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:47:11,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:47:11,741 INFO L87 Difference]: Start difference. First operand 5923 states and 6375 transitions. Second operand has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:47:11,776 INFO L93 Difference]: Finished difference Result 6380 states and 6912 transitions. [2023-11-29 06:47:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:47:11,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 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 210 [2023-11-29 06:47:11,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:47:11,777 INFO L225 Difference]: With dead ends: 6380 [2023-11-29 06:47:11,777 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:47:11,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:47:11,779 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 36 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:47:11,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 741 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:47:11,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:47:11,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:47:11,779 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) [2023-11-29 06:47:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:47:11,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2023-11-29 06:47:11,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:47:11,780 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:47:11,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:11,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:47:11,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:47:11,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-29 06:47:11,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-11-29 06:47:11,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2023-11-29 06:47:11,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-11-29 06:47:11,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-11-29 06:47:11,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-11-29 06:47:11,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:47:11,789 INFO L899 garLoopResultBuilder]: For program point $Ultimate##404(lines 1116 1258) no Hoare annotation was computed. [2023-11-29 06:47:11,789 INFO L899 garLoopResultBuilder]: For program point L2942(lines 2942 2952) no Hoare annotation was computed. [2023-11-29 06:47:11,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 861) no Hoare annotation was computed. [2023-11-29 06:47:11,789 INFO L899 garLoopResultBuilder]: For program point L1753(lines 1753 1777) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 2296) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 2383) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L1489(lines 1489 1538) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L1093(lines 1088 1359) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point $Ultimate##418(lines 1149 1209) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 2189) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L2679(lines 267 2687) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 2570) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 2641) no Hoare annotation was computed. [2023-11-29 06:47:11,790 INFO L899 garLoopResultBuilder]: For program point L1292(lines 1289 1331) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point L169(lines 166 2913) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point $Ultimate##422(lines 1155 1183) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point L962(lines 962 970) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point $Ultimate##420(lines 1152 1196) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 896) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 2228) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 2378) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point L1491(lines 1491 1533) no Hoare annotation was computed. [2023-11-29 06:47:11,791 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1557) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point L1822(lines 1816 1854) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point L633(lines 630 2296) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 2565) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 2890) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point $Ultimate##440(lines 1295 1324) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point L964(line 964) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point L1691(lines 1691 2184) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point L304(lines 301 2641) no Hoare annotation was computed. [2023-11-29 06:47:11,792 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 2709) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L2088(lines 2088 2099) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L1031(line 1031) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L569(lines 566 2378) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1491 1533) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 2560) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 891) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1388 1437) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L174(lines 171 2890) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-29 06:47:11,793 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 2498) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 2555) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point L1298(lines 1298 1319) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point L1100(lines 1100 1278) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point $Ultimate##400(lines 1108 1268) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 2179) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 2444) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 2867) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 93 2984) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 2284) no Hoare annotation was computed. [2023-11-29 06:47:11,794 INFO L899 garLoopResultBuilder]: For program point L2621(lines 310 2629) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1314) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 2227) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 2439) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 2493) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L2358(lines 575 2366) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 2629) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1031) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 2279) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L575(lines 575 2366) no Hoare annotation was computed. [2023-11-29 06:47:11,795 INFO L899 garLoopResultBuilder]: For program point L1500(lines 1500 1521) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L2293(lines 628 2301) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L179(lines 176 2867) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L1104(lines 1104 1273) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1556) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L1831(lines 1831 1840) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 2434) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 2624) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L1303(lines 1300 1314) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L1964(lines 1964 2051) no Hoare annotation was computed. [2023-11-29 06:47:11,796 INFO L899 garLoopResultBuilder]: For program point L709(lines 709 2221) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 2361) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L1502(lines 1502 1516) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 2554) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 2844) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 881) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1775) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L644(lines 641 2279) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 2429) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 2488) no Hoare annotation was computed. [2023-11-29 06:47:11,797 INFO L899 garLoopResultBuilder]: For program point L1305(lines 1282 1346) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L1173(lines 1173 1182) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1549) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L1966(lines 1966 2046) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1648) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 2549) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L315(lines 312 2624) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 2839) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L1769(line 1769) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 2216) no Hoare annotation was computed. [2023-11-29 06:47:11,798 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 2169) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L646(lines 636 2289) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L580(lines 577 2361) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 2424) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L1505(lines 1502 1516) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L1968(lines 1968 2041) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L845(lines 845 869) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 2544) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L317(lines 307 2634) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 2834) no Hoare annotation was computed. [2023-11-29 06:47:11,799 INFO L899 garLoopResultBuilder]: For program point L1044(lines 1044 1480) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L912(lines 912 1643) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L2894(lines 2894 2912) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L582(lines 572 2371) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1484 1548) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L1970(lines 1970 2036) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 2704) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 2829) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L1112(lines 1112 1263) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L2896(lines 2896 2906) no Hoare annotation was computed. [2023-11-29 06:47:11,800 INFO L899 garLoopResultBuilder]: For program point L782(lines 782 871) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 2211) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 2616) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L1311(lines 1298 1319) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L1972(lines 1972 2031) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L2963(lines 2963 2981) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 2353) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1584) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point $Ultimate##296(lines 746 1665) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 2824) no Hoare annotation was computed. [2023-11-29 06:47:11,801 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L916(lines 916 1638) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 2159) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 2423) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 2478) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 2698) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L1974(lines 1974 2026) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L2965(lines 2965 2975) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 2543) no Hoare annotation was computed. [2023-11-29 06:47:11,802 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 2819) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 2418) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1500 1521) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 2538) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point $Ultimate##498(lines 1725 1902) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 2814) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1253) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L1845(lines 1845 1853) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L2638(lines 299 2646) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 2413) no Hoare annotation was computed. [2023-11-29 06:47:11,803 INFO L899 garLoopResultBuilder]: For program point L1383(lines 1383 1447) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 2615) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1917) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 2352) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point L2375(lines 564 2383) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 2809) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point L724(lines 724 2201) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point $Ultimate##282(lines 720 2206) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1442) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 2610) no Hoare annotation was computed. [2023-11-29 06:47:11,804 INFO L899 garLoopResultBuilder]: For program point $Ultimate##286(lines 728 2196) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 2697) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point L1187(lines 1187 1195) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point L1121(lines 1116 1258) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point L1980(lines 1980 2025) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 2347) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 2804) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point $Ultimate##214(lines 572 2371) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point $Ultimate##454(lines 1396 1425) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point L1056(lines 1056 1465) no Hoare annotation was computed. [2023-11-29 06:47:11,805 INFO L899 garLoopResultBuilder]: For program point L924(lines 924 1628) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 816) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point L1717(lines 1717 1912) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 2692) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point L1123(lines 1097 1347) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point $Ultimate##468(lines 1497 1526) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point L1982(lines 1982 2020) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 867) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1437) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 2605) no Hoare annotation was computed. [2023-11-29 06:47:11,806 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 2799) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point $Ultimate##230(lines 604 2330) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 2271) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 2342) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 2412) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point $Ultimate##484(lines 1699 2174) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point $Ultimate##246(lines 636 2289) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point $Ultimate##488(lines 1707 2164) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1616) no Hoare annotation was computed. [2023-11-29 06:47:11,807 INFO L899 garLoopResultBuilder]: For program point $Ultimate##526(lines 1819 1841) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L861(line 861) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L1390(lines 1390 1432) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 2600) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 2687) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 2794) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 2191) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point $Ultimate##538(lines 1936 2142) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L1721(lines 1721 1907) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L664(lines 664 2266) no Hoare annotation was computed. [2023-11-29 06:47:11,808 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 2337) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L2580(lines 342 2588) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 2407) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 2471) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point $Ultimate##300(lines 754 1655) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1611) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point $Ultimate##542(lines 1944 2132) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 2532) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 2682) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L2317(lines 607 2325) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 2789) no Hoare annotation was computed. [2023-11-29 06:47:11,809 INFO L899 garLoopResultBuilder]: For program point L1062(lines 1062 1455) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point $Ultimate##310(lines 772 886) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 1618) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point $Ultimate##314(lines 780 876) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 2261) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point L1393(lines 1390 1432) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point L336(lines 333 2600) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point $Ultimate##562(lines 1985 2007) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point L997(lines 997 1606) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point L1988(lines 1982 2020) no Hoare annotation was computed. [2023-11-29 06:47:11,810 INFO L899 garLoopResultBuilder]: For program point L601(lines 598 2337) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 2466) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L1328(lines 1287 1336) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 2784) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L2848(lines 2848 2866) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 824) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 2256) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L272(lines 269 2682) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1060 1460) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L999(lines 999 1601) no Hoare annotation was computed. [2023-11-29 06:47:11,811 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1680) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point $Ultimate##502(lines 1733 1892) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 2779) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point L1925(lines 1925 2157) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point L2850(lines 2850 2860) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 2251) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point L1001(lines 1001 1596) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point L2917(lines 2917 2935) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point L1530(lines 1489 1538) no Hoare annotation was computed. [2023-11-29 06:47:11,812 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 2461) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 2774) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1208) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1675) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L1729(lines 1729 1897) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 1769) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L1399(lines 1399 1420) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 2588) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1591) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L1928(lines 1928 2152) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L2919(lines 2919 2929) no Hoare annotation was computed. [2023-11-29 06:47:11,813 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 2325) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 2531) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 2769) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 2401) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L1401(lines 1401 1415) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 2583) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 2670) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L1798(lines 1798 1885) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 2320) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 2764) no Hoare annotation was computed. [2023-11-29 06:47:11,814 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1246) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1379) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L1997(lines 1997 2006) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1670) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L676(lines 676 2250) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 2525) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 2665) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L1932(lines 1932 2147) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L1800(lines 1800 1880) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1401 1415) no Hoare annotation was computed. [2023-11-29 06:47:11,815 INFO L899 garLoopResultBuilder]: For program point L347(lines 344 2583) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 2759) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L1140(lines 1140 1240) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L1735(lines 1735 1887) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 2245) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L612(lines 609 2320) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1590) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L1802(lines 1802 1875) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 2451) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 2520) no Hoare annotation was computed. [2023-11-29 06:47:11,816 INFO L899 garLoopResultBuilder]: For program point L1406(lines 1383 1447) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L349(lines 339 2593) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L283(lines 280 2665) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 2754) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 2982) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1234) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1374) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 2240) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L2662(lines 278 2670) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L614(lines 604 2330) no Hoare annotation was computed. [2023-11-29 06:47:11,817 INFO L899 garLoopResultBuilder]: For program point L1011(lines 1011 1585) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point L1804(lines 1804 1870) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point L2597(lines 331 2605) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point L285(lines 275 2675) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 2749) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1228) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 822) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point $Ultimate##98(lines 307 2634) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 2400) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point L2334(lines 596 2342) no Hoare annotation was computed. [2023-11-29 06:47:11,818 INFO L899 garLoopResultBuilder]: For program point $Ultimate##82(lines 275 2675) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L154(lines 151 2982) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L1806(lines 1806 1865) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 2312) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 2515) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 2744) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L1146(lines 1146 1222) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L948(lines 948 972) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L816(line 816) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 1660) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##174(lines 477 2456) no Hoare annotation was computed. [2023-11-29 06:47:11,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##178(lines 485 2446) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 2657) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1221) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 2959) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L2072(lines 2072 2125) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L1940(lines 1940 2137) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L1808(lines 1808 1860) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 2394) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1399 1420) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 2739) no Hoare annotation was computed. [2023-11-29 06:47:11,820 INFO L899 garLoopResultBuilder]: For program point L686(lines 686 2239) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L2074(lines 2074 2120) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L1017(lines 1011 1585) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L1282(lines 1282 1346) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 2734) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L159(lines 156 2959) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1364) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 2234) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point $Ultimate##372(lines 1052 1470) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point $Ultimate##376(lines 1060 1460) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L2076(lines 2076 2115) no Hoare annotation was computed. [2023-11-29 06:47:11,821 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 2311) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##380(lines 1069 1448) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##386(lines 1080 1369) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1341) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 2729) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point L161(lines 161 2936) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point L2011(lines 2011 2019) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1650) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##150(lines 423 2510) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##390(lines 1088 1359) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:47:11,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##154(lines 431 2500) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 2656) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point $Ultimate##394(lines 1097 1347) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point L2276(lines 639 2284) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point L2078(lines 2078 2110) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point L1946(lines 1946 2127) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point L1814(lines 1814 1859) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point L2871(lines 2871 2889) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 2306) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 2393) no Hoare annotation was computed. [2023-11-29 06:47:11,823 INFO L899 garLoopResultBuilder]: For program point $Ultimate##162(lines 450 2483) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point L1484(lines 1484 1548) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 2505) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point $Ultimate##166(lines 458 2473) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 2724) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point L1022(lines 730 2191) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 2651) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1336) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point L164(lines 161 2936) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point $Ultimate##332(lines 920 1633) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point L2080(lines 2080 2105) no Hoare annotation was computed. [2023-11-29 06:47:11,824 INFO L899 garLoopResultBuilder]: For program point $Ultimate##336(lines 928 1623) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L1816(lines 1816 1854) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L2873(lines 2873 2883) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 2388) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L1486(lines 1486 1543) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 2719) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L1090(lines 1090 1354) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L2940(lines 2940 2958) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 2301) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L1289(lines 1289 1331) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 2913) no Hoare annotation was computed. [2023-11-29 06:47:11,825 INFO L899 garLoopResultBuilder]: For program point $Ultimate##114(lines 339 2593) no Hoare annotation was computed. [2023-11-29 06:47:11,826 INFO L899 garLoopResultBuilder]: For program point L2082(lines 2082 2100) no Hoare annotation was computed. [2023-11-29 06:47:11,826 INFO L899 garLoopResultBuilder]: For program point L761(lines 761 901) no Hoare annotation was computed. [2023-11-29 06:47:11,826 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 2575) no Hoare annotation was computed. [2023-11-29 06:47:11,826 INFO L899 garLoopResultBuilder]: For program point $Ultimate##360(lines 1014 1572) no Hoare annotation was computed. [2023-11-29 06:47:11,826 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 2646) no Hoare annotation was computed. [2023-11-29 06:47:11,826 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 2714) no Hoare annotation was computed. [2023-11-29 06:47:11,826 INFO L899 garLoopResultBuilder]: For program point L1158(lines 1138 1246) no Hoare annotation was computed. [2023-11-29 06:47:11,829 INFO L445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:11,831 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:47:11,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:47:11 BoogieIcfgContainer [2023-11-29 06:47:11,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:47:11,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:47:11,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:47:11,835 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:47:11,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:41:16" (3/4) ... [2023-11-29 06:47:11,837 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:47:11,866 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 06:47:11,869 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:47:11,872 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:47:11,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:47:12,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:47:12,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:47:12,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:47:12,088 INFO L158 Benchmark]: Toolchain (without parser) took 357488.43ms. Allocated memory was 132.1MB in the beginning and 13.6GB in the end (delta: 13.4GB). Free memory was 92.1MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 8.2GB. Max. memory is 16.1GB. [2023-11-29 06:47:12,088 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:47:12,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.97ms. Allocated memory is still 132.1MB. Free memory was 91.7MB in the beginning and 46.4MB in the end (delta: 45.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-29 06:47:12,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.51ms. Allocated memory is still 132.1MB. Free memory was 46.4MB in the beginning and 98.4MB in the end (delta: -52.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-29 06:47:12,089 INFO L158 Benchmark]: Boogie Preprocessor took 119.27ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 98.4MB in the beginning and 139.8MB in the end (delta: -41.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-29 06:47:12,089 INFO L158 Benchmark]: RCFGBuilder took 1282.57ms. Allocated memory is still 176.2MB. Free memory was 139.8MB in the beginning and 94.7MB in the end (delta: 45.1MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-29 06:47:12,089 INFO L158 Benchmark]: TraceAbstraction took 354987.16ms. Allocated memory was 176.2MB in the beginning and 13.6GB in the end (delta: 13.4GB). Free memory was 93.7MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 8.1GB. Max. memory is 16.1GB. [2023-11-29 06:47:12,090 INFO L158 Benchmark]: Witness Printer took 252.28ms. Allocated memory is still 13.6GB. Free memory was 5.4GB in the beginning and 5.3GB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:47:12,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.97ms. Allocated memory is still 132.1MB. Free memory was 91.7MB in the beginning and 46.4MB in the end (delta: 45.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.51ms. Allocated memory is still 132.1MB. Free memory was 46.4MB in the beginning and 98.4MB in the end (delta: -52.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.27ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 98.4MB in the beginning and 139.8MB in the end (delta: -41.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1282.57ms. Allocated memory is still 176.2MB. Free memory was 139.8MB in the beginning and 94.7MB in the end (delta: 45.1MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * TraceAbstraction took 354987.16ms. Allocated memory was 176.2MB in the beginning and 13.6GB in the end (delta: 13.4GB). Free memory was 93.7MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 8.1GB. Max. memory is 16.1GB. * Witness Printer took 252.28ms. Allocated memory is still 13.6GB. Free memory was 5.4GB in the beginning and 5.3GB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. 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: 816]: 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: 861]: 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: 964]: 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: 1031]: 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: 1769]: 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, 375 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 354.9s, OverallIterations: 113, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.1s, AutomataDifference: 224.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240645 SdHoareTripleChecker+Valid, 113.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240645 mSDsluCounter, 609619 SdHoareTripleChecker+Invalid, 99.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 533373 mSDsCounter, 4868 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177245 IncrementalHoareTripleChecker+Invalid, 182113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4868 mSolverCounterUnsat, 76246 mSDtfsCounter, 177245 mSolverCounterSat, 2.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2803 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 2591 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18209 ImplicationChecksByTransitivity, 102.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136394occurred in iteration=41, InterpolantAutomatonStates: 1942, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 54.4s AutomataMinimizationTime, 113 MinimizatonAttempts, 753101 StatesRemovedByMinimization, 107 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 67.4s InterpolantComputationTime, 19342 NumberOfCodeBlocks, 19342 NumberOfCodeBlocksAsserted, 113 NumberOfCheckSat, 19229 ConstructedInterpolants, 0 QuantifiedInterpolants, 186947 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 113 InterpolantComputations, 113 PerfectInterpolantSequences, 20/20 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:47:12,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2800d7-08b2-4a26-a9fd-6864deb1398e/bin/uautomizer-verify-BQ2R08f2Ya/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