./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/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 64bit --witnessprinter.graph.data.programhash d1800e6a7093aef170e24bf50f0eb7e2646af9a10c241229886d0a1c02e7e0dd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:04:38,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:04:38,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 07:04:38,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:04:38,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:04:38,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:04:38,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:04:38,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:04:38,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:04:38,302 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:04:38,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:04:38,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:04:38,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:04:38,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:04:38,305 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:04:38,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:04:38,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:04:38,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:04:38,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:04:38,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:04:38,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:04:38,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:04:38,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:04:38,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:04:38,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:04:38,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:04:38,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:04:38,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:04:38,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:04:38,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:04:38,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:04:38,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:04:38,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:04:38,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:04:38,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:04:38,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:04:38,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:04:38,316 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:04:38,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:04:38,316 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1800e6a7093aef170e24bf50f0eb7e2646af9a10c241229886d0a1c02e7e0dd [2023-11-29 07:04:38,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:04:38,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:04:38,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:04:38,564 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:04:38,565 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:04:38,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2023-11-29 07:04:41,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:04:41,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:04:41,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2023-11-29 07:04:41,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/data/4fbc2b79c/c045d473aedb4498944bc10f776d4763/FLAG27436bf70 [2023-11-29 07:04:41,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/data/4fbc2b79c/c045d473aedb4498944bc10f776d4763 [2023-11-29 07:04:41,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:04:41,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:04:41,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:04:41,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:04:41,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:04:41,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:04:41" (1/1) ... [2023-11-29 07:04:41,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a89e223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:41, skipping insertion in model container [2023-11-29 07:04:41,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:04:41" (1/1) ... [2023-11-29 07:04:41,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:04:43,954 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2023-11-29 07:04:43,986 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[118515,118528] [2023-11-29 07:04:44,021 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[123107,123120] [2023-11-29 07:04:44,022 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[123299,123312] [2023-11-29 07:04:44,052 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[132997,133010] [2023-11-29 07:04:44,113 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[152634,152647] [2023-11-29 07:04:44,168 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[171907,171920] [2023-11-29 07:04:44,169 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[172024,172037] [2023-11-29 07:04:44,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:04:44,262 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:04:44,317 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2023-11-29 07:04:44,328 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[118515,118528] [2023-11-29 07:04:44,340 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[123107,123120] [2023-11-29 07:04:44,341 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[123299,123312] [2023-11-29 07:04:44,356 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[132997,133010] [2023-11-29 07:04:44,385 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[152634,152647] [2023-11-29 07:04:44,417 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[171907,171920] [2023-11-29 07:04:44,418 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_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[172024,172037] [2023-11-29 07:04:44,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:04:44,644 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,644 WARN L675 CHandler]: The function x2x_utoa is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,644 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,644 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,644 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,644 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,645 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,645 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,645 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,645 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,645 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,645 WARN L675 CHandler]: The function ctime is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,645 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:04:44,651 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:04:44,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44 WrapperNode [2023-11-29 07:04:44,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:04:44,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:04:44,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:04:44,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:04:44,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:44,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:44,874 INFO L138 Inliner]: procedures = 743, calls = 1277, calls flagged for inlining = 67, calls inlined = 65, statements flattened = 4545 [2023-11-29 07:04:44,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:04:44,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:04:44,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:04:44,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:04:44,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:44,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:44,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:45,222 INFO L175 MemorySlicer]: Split 911 memory accesses to 57 slices as follows [11, 15, 2, 3, 2, 2, 9, 3, 29, 3, 3, 3, 1, 5, 1, 3, 5, 5, 370, 5, 6, 6, 14, 6, 6, 5, 44, 13, 5, 5, 21, 10, 1, 21, 17, 1, 17, 61, 13, 9, 27, 17, 6, 5, 20, 3, 10, 6, 1, 1, 4, 12, 15, 4, 12, 1, 6]. 41 percent of accesses are in the largest equivalence class. The 287 initializations are split as follows [0, 7, 0, 0, 2, 1, 4, 3, 0, 2, 0, 2, 0, 0, 0, 0, 5, 5, 70, 5, 5, 5, 14, 5, 5, 5, 0, 13, 5, 5, 0, 7, 0, 1, 4, 0, 0, 32, 0, 7, 25, 16, 0, 0, 0, 0, 9, 4, 1, 0, 0, 9, 4, 0, 0, 0, 0]. The 232 writes are split as follows [6, 7, 1, 0, 0, 0, 4, 0, 13, 0, 3, 0, 0, 2, 0, 0, 0, 0, 112, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 3, 3, 1, 9, 4, 1, 5, 0, 9, 0, 0, 0, 1, 5, 4, 2, 0, 1, 0, 1, 2, 0, 2, 3, 12, 1, 3]. [2023-11-29 07:04:45,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:45,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:45,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:45,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:45,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:45,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:45,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:04:45,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:04:45,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:04:45,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:04:45,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (1/1) ... [2023-11-29 07:04:45,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:04:45,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:04:45,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:04:45,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:04:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-29 07:04:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-29 07:04:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2023-11-29 07:04:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure get_cached [2023-11-29 07:04:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cached [2023-11-29 07:04:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-29 07:04:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-29 07:04:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-29 07:04:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-29 07:04:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-29 07:04:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-29 07:04:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-29 07:04:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-29 07:04:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-29 07:04:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-29 07:04:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-29 07:04:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-29 07:04:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-29 07:04:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-29 07:04:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-29 07:04:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-29 07:04:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-29 07:04:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-29 07:04:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-29 07:04:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2023-11-29 07:04:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2023-11-29 07:04:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2023-11-29 07:04:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#22 [2023-11-29 07:04:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#23 [2023-11-29 07:04:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#24 [2023-11-29 07:04:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#25 [2023-11-29 07:04:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#26 [2023-11-29 07:04:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#27 [2023-11-29 07:04:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#28 [2023-11-29 07:04:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#29 [2023-11-29 07:04:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#30 [2023-11-29 07:04:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#31 [2023-11-29 07:04:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#32 [2023-11-29 07:04:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#33 [2023-11-29 07:04:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#34 [2023-11-29 07:04:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#35 [2023-11-29 07:04:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#36 [2023-11-29 07:04:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#37 [2023-11-29 07:04:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#38 [2023-11-29 07:04:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#39 [2023-11-29 07:04:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#40 [2023-11-29 07:04:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#41 [2023-11-29 07:04:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#42 [2023-11-29 07:04:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#43 [2023-11-29 07:04:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#44 [2023-11-29 07:04:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#45 [2023-11-29 07:04:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#46 [2023-11-29 07:04:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#47 [2023-11-29 07:04:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#48 [2023-11-29 07:04:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#49 [2023-11-29 07:04:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#50 [2023-11-29 07:04:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#51 [2023-11-29 07:04:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#52 [2023-11-29 07:04:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#53 [2023-11-29 07:04:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#54 [2023-11-29 07:04:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#55 [2023-11-29 07:04:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#56 [2023-11-29 07:04:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-29 07:04:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-29 07:04:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-29 07:04:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-29 07:04:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-29 07:04:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-29 07:04:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#22 [2023-11-29 07:04:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#23 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#24 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#25 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#26 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#27 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#28 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#29 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#30 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#31 [2023-11-29 07:04:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#32 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#33 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#34 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#35 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#36 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#37 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#38 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#39 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#40 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#41 [2023-11-29 07:04:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#42 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#43 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#44 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#45 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#46 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#47 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#48 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#49 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#50 [2023-11-29 07:04:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#51 [2023-11-29 07:04:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#52 [2023-11-29 07:04:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#53 [2023-11-29 07:04:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#54 [2023-11-29 07:04:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#55 [2023-11-29 07:04:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#56 [2023-11-29 07:04:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-29 07:04:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-29 07:04:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure utoa [2023-11-29 07:04:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure utoa [2023-11-29 07:04:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-29 07:04:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure print_name [2023-11-29 07:04:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure print_name [2023-11-29 07:04:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-29 07:04:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-29 07:04:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 07:04:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-29 07:04:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 07:04:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-29 07:04:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-29 07:04:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure count_dirs [2023-11-29 07:04:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure count_dirs [2023-11-29 07:04:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure my_stat [2023-11-29 07:04:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure my_stat [2023-11-29 07:04:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 07:04:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 07:04:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 07:04:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 07:04:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 07:04:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 07:04:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 07:04:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 07:04:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 07:04:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2023-11-29 07:04:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#36 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#37 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#38 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#39 [2023-11-29 07:04:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#40 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#41 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#42 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#43 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#44 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#45 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#46 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#47 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#48 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#49 [2023-11-29 07:04:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#50 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#51 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#52 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#53 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#54 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#55 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#56 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 07:04:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 07:04:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 07:04:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 07:04:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 07:04:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 07:04:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 07:04:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 07:04:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 07:04:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 07:04:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 07:04:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 07:04:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 07:04:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-29 07:04:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-29 07:04:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-29 07:04:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2023-11-29 07:04:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2023-11-29 07:04:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2023-11-29 07:04:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#36 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#37 [2023-11-29 07:04:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#38 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#39 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#40 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#41 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#42 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#43 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#44 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#45 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#46 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#47 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#48 [2023-11-29 07:04:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#49 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#50 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#51 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#52 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#53 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#54 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#55 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#56 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 07:04:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 07:04:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 07:04:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 07:04:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 07:04:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 07:04:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 07:04:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 07:04:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 07:04:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 07:04:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 07:04:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 07:04:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 07:04:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 07:04:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 07:04:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 07:04:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 07:04:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 07:04:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-29 07:04:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-29 07:04:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#49 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#50 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#51 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#52 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#53 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#54 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#55 [2023-11-29 07:04:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#56 [2023-11-29 07:04:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure dfree [2023-11-29 07:04:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dfree [2023-11-29 07:04:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 07:04:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-29 07:04:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 07:04:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:04:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 07:04:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 07:04:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 07:04:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 07:04:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-29 07:04:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2023-11-29 07:04:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#45 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#46 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#47 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#48 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#49 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#50 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#51 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#52 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#53 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#54 [2023-11-29 07:04:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#55 [2023-11-29 07:04:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#56 [2023-11-29 07:04:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure dnsort [2023-11-29 07:04:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dnsort [2023-11-29 07:04:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure printable_string [2023-11-29 07:04:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printable_string [2023-11-29 07:04:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:04:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:04:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 07:04:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 07:04:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 07:04:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 07:04:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 07:04:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 07:04:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 07:04:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 07:04:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 07:04:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 07:04:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 07:04:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-29 07:04:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#28 [2023-11-29 07:04:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#29 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#30 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#31 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#32 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#33 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#34 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#35 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#36 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#37 [2023-11-29 07:04:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#38 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#39 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#40 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#41 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#42 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#43 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#44 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#45 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#46 [2023-11-29 07:04:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#47 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#48 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#49 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#50 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#51 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#52 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#53 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#54 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#55 [2023-11-29 07:04:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#56 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 07:04:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 07:04:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2023-11-29 07:04:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#28 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#29 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#30 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#31 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#32 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#33 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#34 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#35 [2023-11-29 07:04:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#36 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#37 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#38 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#39 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#40 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#41 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#42 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#43 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#44 [2023-11-29 07:04:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#45 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#46 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#47 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#48 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#49 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#50 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#51 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#52 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#53 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#54 [2023-11-29 07:04:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#55 [2023-11-29 07:04:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#56 [2023-11-29 07:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 07:04:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 07:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 07:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 07:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 07:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 07:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 07:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 07:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 07:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 07:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2023-11-29 07:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#36 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#37 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#38 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#39 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#40 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#41 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#42 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#43 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#44 [2023-11-29 07:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#45 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#46 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#47 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#48 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#49 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#50 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#51 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#52 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#53 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#54 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#55 [2023-11-29 07:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#56 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 07:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 07:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2023-11-29 07:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#36 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#37 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#38 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#39 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#40 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#41 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#42 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#43 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#44 [2023-11-29 07:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#45 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#46 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#47 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#48 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#49 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#50 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#51 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#52 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#53 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#54 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#55 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#56 [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2023-11-29 07:04:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2023-11-29 07:04:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure get_cached_groupname [2023-11-29 07:04:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cached_groupname [2023-11-29 07:04:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_display_files [2023-11-29 07:04:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_display_files [2023-11-29 07:04:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2023-11-29 07:04:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2023-11-29 07:04:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 07:04:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 07:04:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 07:04:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 07:04:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 07:04:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 07:04:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2023-11-29 07:04:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#35 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#36 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#37 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#38 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#39 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#40 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#41 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#42 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#43 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#44 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#45 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#46 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#47 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#48 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#49 [2023-11-29 07:04:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#50 [2023-11-29 07:04:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#51 [2023-11-29 07:04:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#52 [2023-11-29 07:04:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#53 [2023-11-29 07:04:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#54 [2023-11-29 07:04:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#55 [2023-11-29 07:04:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#56 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 07:04:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 07:04:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2023-11-29 07:04:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#35 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#36 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#37 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#38 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#39 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#40 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#41 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#42 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#43 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#44 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#45 [2023-11-29 07:04:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#46 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#47 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#48 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#49 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#50 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#51 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#52 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#53 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#54 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#55 [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#56 [2023-11-29 07:04:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure fgcolor [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure fgcolor [2023-11-29 07:04:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:04:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:04:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure splitdnarray [2023-11-29 07:04:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure splitdnarray [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2023-11-29 07:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#45 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#46 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#47 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#48 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#49 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#50 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#51 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#52 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#53 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#54 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#55 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#56 [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure bold [2023-11-29 07:04:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bold [2023-11-29 07:04:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 07:04:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-29 07:04:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#42 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#43 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#44 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#45 [2023-11-29 07:04:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#46 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#47 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#48 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#49 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#50 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#51 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#52 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#53 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#54 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#55 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#56 [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure append_char [2023-11-29 07:04:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure append_char [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure scan_and_display_dirs_recur [2023-11-29 07:04:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_and_display_dirs_recur [2023-11-29 07:04:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure lstat [2023-11-29 07:04:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure lstat [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-29 07:04:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 07:04:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 07:04:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-29 07:04:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#49 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#50 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#51 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#52 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#53 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#54 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#55 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#56 [2023-11-29 07:04:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg [2023-11-29 07:04:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2023-11-29 07:04:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isatty [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure dnalloc [2023-11-29 07:04:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dnalloc [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 07:04:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 07:04:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 07:04:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-29 07:04:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-29 07:04:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#49 [2023-11-29 07:04:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#50 [2023-11-29 07:04:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#51 [2023-11-29 07:04:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#52 [2023-11-29 07:04:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#53 [2023-11-29 07:04:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#54 [2023-11-29 07:04:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#55 [2023-11-29 07:04:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#56 [2023-11-29 07:04:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-29 07:04:46,834 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:04:46,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:04:51,897 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:04:52,069 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:04:52,069 INFO L309 CfgBuilder]: Removed 122 assume(true) statements. [2023-11-29 07:04:52,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:04:52 BoogieIcfgContainer [2023-11-29 07:04:52,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:04:52,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:04:52,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:04:52,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:04:52,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:04:41" (1/3) ... [2023-11-29 07:04:52,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5f4ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:04:52, skipping insertion in model container [2023-11-29 07:04:52,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:44" (2/3) ... [2023-11-29 07:04:52,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5f4ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:04:52, skipping insertion in model container [2023-11-29 07:04:52,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:04:52" (3/3) ... [2023-11-29 07:04:52,077 INFO L112 eAbstractionObserver]: Analyzing ICFG ls-incomplete-2.i [2023-11-29 07:04:52,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:04:52,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 07:04:52,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:04:52,158 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;@65f04c71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:04:52,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 07:04:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 1196 states, 1058 states have (on average 1.6568998109640831) internal successors, (1753), 1067 states have internal predecessors, (1753), 98 states have call successors, (98), 34 states have call predecessors, (98), 34 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-11-29 07:04:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 07:04:52,185 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:04:52,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:04:52,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:04:52,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:04:52,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1855342744, now seen corresponding path program 1 times [2023-11-29 07:04:52,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:04:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099877854] [2023-11-29 07:04:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:04:52,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:04:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:52,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 07:04:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:04:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:04:52,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:04:52,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099877854] [2023-11-29 07:04:52,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099877854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:04:52,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:04:52,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:04:52,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111678406] [2023-11-29 07:04:52,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:04:52,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:04:52,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:04:52,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:04:52,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:04:52,946 INFO L87 Difference]: Start difference. First operand has 1196 states, 1058 states have (on average 1.6568998109640831) internal successors, (1753), 1067 states have internal predecessors, (1753), 98 states have call successors, (98), 34 states have call predecessors, (98), 34 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 07:04:57,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:04:57,357 INFO L93 Difference]: Finished difference Result 2359 states and 3929 transitions. [2023-11-29 07:04:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:04:57,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 55 [2023-11-29 07:04:57,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:04:57,383 INFO L225 Difference]: With dead ends: 2359 [2023-11-29 07:04:57,383 INFO L226 Difference]: Without dead ends: 1146 [2023-11-29 07:04:57,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:04:57,401 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 1043 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 2401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:04:57,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 1862 Invalid, 2401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 07:04:57,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-11-29 07:04:57,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1144. [2023-11-29 07:04:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1020 states have (on average 1.5509803921568628) internal successors, (1582), 1026 states have internal predecessors, (1582), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 07:04:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1756 transitions. [2023-11-29 07:04:57,522 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1756 transitions. Word has length 55 [2023-11-29 07:04:57,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:04:57,523 INFO L495 AbstractCegarLoop]: Abstraction has 1144 states and 1756 transitions. [2023-11-29 07:04:57,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 07:04:57,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1756 transitions. [2023-11-29 07:04:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 07:04:57,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:04:57,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:04:57,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:04:57,529 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:04:57,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:04:57,530 INFO L85 PathProgramCache]: Analyzing trace with hash -200145803, now seen corresponding path program 1 times [2023-11-29 07:04:57,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:04:57,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552126079] [2023-11-29 07:04:57,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:04:57,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:04:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 07:04:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:04:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 07:04:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:04:57,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:04:57,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552126079] [2023-11-29 07:04:57,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552126079] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:04:57,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295388779] [2023-11-29 07:04:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:04:57,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:04:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:04:57,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:04:57,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 07:04:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:59,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 1639 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 07:04:59,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:04:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:04:59,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:04:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:04:59,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295388779] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:04:59,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:04:59,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 4] total 9 [2023-11-29 07:04:59,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017629647] [2023-11-29 07:04:59,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:04:59,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 07:04:59,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:04:59,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 07:04:59,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:04:59,188 INFO L87 Difference]: Start difference. First operand 1144 states and 1756 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 07:05:09,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:09,229 INFO L93 Difference]: Finished difference Result 2737 states and 4255 transitions. [2023-11-29 07:05:09,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 07:05:09,230 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 69 [2023-11-29 07:05:09,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:09,243 INFO L225 Difference]: With dead ends: 2737 [2023-11-29 07:05:09,243 INFO L226 Difference]: Without dead ends: 1596 [2023-11-29 07:05:09,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:05:09,249 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 2415 mSDsluCounter, 3536 mSDsCounter, 0 mSdLazyCounter, 6942 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 4169 SdHoareTripleChecker+Invalid, 7262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 6942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:09,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 4169 Invalid, 7262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [320 Valid, 6942 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-11-29 07:05:09,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2023-11-29 07:05:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1147. [2023-11-29 07:05:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1023 states have (on average 1.5493646138807429) internal successors, (1585), 1029 states have internal predecessors, (1585), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 07:05:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1759 transitions. [2023-11-29 07:05:09,320 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1759 transitions. Word has length 69 [2023-11-29 07:05:09,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:09,320 INFO L495 AbstractCegarLoop]: Abstraction has 1147 states and 1759 transitions. [2023-11-29 07:05:09,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 07:05:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1759 transitions. [2023-11-29 07:05:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 07:05:09,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:09,325 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:09,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 07:05:09,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:05:09,528 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:05:09,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:09,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1254913935, now seen corresponding path program 2 times [2023-11-29 07:05:09,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:09,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785006888] [2023-11-29 07:05:09,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:09,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:05:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:05:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 07:05:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 07:05:10,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:10,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785006888] [2023-11-29 07:05:10,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785006888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:10,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:10,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:10,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498854135] [2023-11-29 07:05:10,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:10,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:10,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:10,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:10,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:10,182 INFO L87 Difference]: Start difference. First operand 1147 states and 1759 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 07:05:16,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:16,866 INFO L93 Difference]: Finished difference Result 2686 states and 4177 transitions. [2023-11-29 07:05:16,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:05:16,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 72 [2023-11-29 07:05:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:16,876 INFO L225 Difference]: With dead ends: 2686 [2023-11-29 07:05:16,876 INFO L226 Difference]: Without dead ends: 1596 [2023-11-29 07:05:16,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:05:16,880 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 4550 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 3430 mSolverCounterSat, 685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4571 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 4115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 3430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:16,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4571 Valid, 2215 Invalid, 4115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 3430 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-29 07:05:16,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2023-11-29 07:05:16,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1147. [2023-11-29 07:05:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1023 states have (on average 1.5483870967741935) internal successors, (1584), 1029 states have internal predecessors, (1584), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 07:05:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1758 transitions. [2023-11-29 07:05:16,935 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1758 transitions. Word has length 72 [2023-11-29 07:05:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:16,935 INFO L495 AbstractCegarLoop]: Abstraction has 1147 states and 1758 transitions. [2023-11-29 07:05:16,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 07:05:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1758 transitions. [2023-11-29 07:05:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 07:05:16,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:16,939 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:16,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 07:05:16,939 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:05:16,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:16,940 INFO L85 PathProgramCache]: Analyzing trace with hash -949478086, now seen corresponding path program 1 times [2023-11-29 07:05:16,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:16,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430729017] [2023-11-29 07:05:16,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:05:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:05:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 07:05:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:05:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 07:05:17,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:17,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430729017] [2023-11-29 07:05:17,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430729017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:17,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:17,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 07:05:17,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537741626] [2023-11-29 07:05:17,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:17,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 07:05:17,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:17,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 07:05:17,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:05:17,622 INFO L87 Difference]: Start difference. First operand 1147 states and 1758 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 07:05:19,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:27,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:27,905 INFO L93 Difference]: Finished difference Result 2786 states and 4341 transitions. [2023-11-29 07:05:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 07:05:27,905 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 80 [2023-11-29 07:05:27,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:27,914 INFO L225 Difference]: With dead ends: 2786 [2023-11-29 07:05:27,914 INFO L226 Difference]: Without dead ends: 1706 [2023-11-29 07:05:27,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-29 07:05:27,917 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 5856 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5878 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 6512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 835 IncrementalHoareTripleChecker+Valid, 5677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:27,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5878 Valid, 2734 Invalid, 6512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [835 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-11-29 07:05:27,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2023-11-29 07:05:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1147. [2023-11-29 07:05:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1023 states have (on average 1.5464320625610948) internal successors, (1582), 1029 states have internal predecessors, (1582), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 07:05:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1756 transitions. [2023-11-29 07:05:27,996 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1756 transitions. Word has length 80 [2023-11-29 07:05:27,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:27,997 INFO L495 AbstractCegarLoop]: Abstraction has 1147 states and 1756 transitions. [2023-11-29 07:05:27,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 07:05:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1756 transitions. [2023-11-29 07:05:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 07:05:27,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:27,999 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:27,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:05:27,999 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:05:27,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:28,000 INFO L85 PathProgramCache]: Analyzing trace with hash 798536584, now seen corresponding path program 1 times [2023-11-29 07:05:28,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:28,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933035063] [2023-11-29 07:05:28,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:28,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:05:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:05:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 07:05:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:05:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 07:05:28,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:28,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933035063] [2023-11-29 07:05:28,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933035063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:28,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:28,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:05:28,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855176802] [2023-11-29 07:05:28,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:28,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:05:28,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:28,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:05:28,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:05:28,678 INFO L87 Difference]: Start difference. First operand 1147 states and 1756 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 07:05:37,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:37,200 INFO L93 Difference]: Finished difference Result 2746 states and 4280 transitions. [2023-11-29 07:05:37,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 07:05:37,201 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 80 [2023-11-29 07:05:37,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:37,212 INFO L225 Difference]: With dead ends: 2746 [2023-11-29 07:05:37,212 INFO L226 Difference]: Without dead ends: 1706 [2023-11-29 07:05:37,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-29 07:05:37,216 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 5207 mSDsluCounter, 2202 mSDsCounter, 0 mSdLazyCounter, 4361 mSolverCounterSat, 820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5230 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 5181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 4361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:37,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5230 Valid, 2829 Invalid, 5181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 4361 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-11-29 07:05:37,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2023-11-29 07:05:37,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1147. [2023-11-29 07:05:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1023 states have (on average 1.5454545454545454) internal successors, (1581), 1029 states have internal predecessors, (1581), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 07:05:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1755 transitions. [2023-11-29 07:05:37,296 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1755 transitions. Word has length 80 [2023-11-29 07:05:37,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:37,296 INFO L495 AbstractCegarLoop]: Abstraction has 1147 states and 1755 transitions. [2023-11-29 07:05:37,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 07:05:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1755 transitions. [2023-11-29 07:05:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-29 07:05:37,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:37,299 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:37,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 07:05:37,299 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:05:37,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1996416460, now seen corresponding path program 1 times [2023-11-29 07:05:37,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:37,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521305699] [2023-11-29 07:05:37,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:05:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:05:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 07:05:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:05:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:37,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:05:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 07:05:37,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:37,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521305699] [2023-11-29 07:05:37,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521305699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:37,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:37,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 07:05:37,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152044730] [2023-11-29 07:05:37,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:37,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 07:05:37,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:37,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 07:05:37,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:05:37,892 INFO L87 Difference]: Start difference. First operand 1147 states and 1755 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:05:47,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:47,084 INFO L93 Difference]: Finished difference Result 2747 states and 4281 transitions. [2023-11-29 07:05:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:05:47,085 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 94 [2023-11-29 07:05:47,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:47,093 INFO L225 Difference]: With dead ends: 2747 [2023-11-29 07:05:47,093 INFO L226 Difference]: Without dead ends: 1708 [2023-11-29 07:05:47,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2023-11-29 07:05:47,096 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 4963 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 5737 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4968 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 6579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 5737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:47,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4968 Valid, 3524 Invalid, 6579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [842 Valid, 5737 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 07:05:47,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-11-29 07:05:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1147. [2023-11-29 07:05:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1023 states have (on average 1.544477028347996) internal successors, (1580), 1029 states have internal predecessors, (1580), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 07:05:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1754 transitions. [2023-11-29 07:05:47,169 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1754 transitions. Word has length 94 [2023-11-29 07:05:47,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:47,169 INFO L495 AbstractCegarLoop]: Abstraction has 1147 states and 1754 transitions. [2023-11-29 07:05:47,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:05:47,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1754 transitions. [2023-11-29 07:05:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-29 07:05:47,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:47,171 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:47,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 07:05:47,172 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:05:47,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:47,172 INFO L85 PathProgramCache]: Analyzing trace with hash 2079696118, now seen corresponding path program 1 times [2023-11-29 07:05:47,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:47,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478688479] [2023-11-29 07:05:47,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:47,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:05:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:05:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 07:05:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:05:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:05:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 07:05:47,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478688479] [2023-11-29 07:05:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478688479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:47,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:05:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698452369] [2023-11-29 07:05:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:47,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:05:47,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:47,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:05:47,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:05:47,890 INFO L87 Difference]: Start difference. First operand 1147 states and 1754 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:05:58,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:58,979 INFO L93 Difference]: Finished difference Result 2890 states and 4504 transitions. [2023-11-29 07:05:58,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 07:05:58,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 94 [2023-11-29 07:05:58,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:58,987 INFO L225 Difference]: With dead ends: 2890 [2023-11-29 07:05:58,988 INFO L226 Difference]: Without dead ends: 1927 [2023-11-29 07:05:58,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2023-11-29 07:05:58,990 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 4894 mSDsluCounter, 4022 mSDsCounter, 0 mSdLazyCounter, 6829 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4898 SdHoareTripleChecker+Valid, 4643 SdHoareTripleChecker+Invalid, 7709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 6829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:58,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4898 Valid, 4643 Invalid, 7709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [880 Valid, 6829 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-11-29 07:05:58,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2023-11-29 07:05:59,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1345. [2023-11-29 07:05:59,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1215 states have (on average 1.5465020576131687) internal successors, (1879), 1221 states have internal predecessors, (1879), 94 states have call successors, (94), 33 states have call predecessors, (94), 33 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 07:05:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 2065 transitions. [2023-11-29 07:05:59,084 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 2065 transitions. Word has length 94 [2023-11-29 07:05:59,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:59,084 INFO L495 AbstractCegarLoop]: Abstraction has 1345 states and 2065 transitions. [2023-11-29 07:05:59,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:05:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2065 transitions. [2023-11-29 07:05:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-29 07:05:59,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:59,087 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:59,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 07:05:59,087 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:05:59,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:59,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1628465164, now seen corresponding path program 1 times [2023-11-29 07:05:59,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:59,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341373609] [2023-11-29 07:05:59,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:59,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:05:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:05:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 07:05:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:05:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:05:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 07:05:59,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:59,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341373609] [2023-11-29 07:05:59,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341373609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:59,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:59,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:05:59,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253902125] [2023-11-29 07:05:59,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:59,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:05:59,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:59,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:05:59,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:05:59,880 INFO L87 Difference]: Start difference. First operand 1345 states and 2065 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:06:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:11,275 INFO L93 Difference]: Finished difference Result 3180 states and 4958 transitions. [2023-11-29 07:06:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 07:06:11,276 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 94 [2023-11-29 07:06:11,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:11,286 INFO L225 Difference]: With dead ends: 3180 [2023-11-29 07:06:11,286 INFO L226 Difference]: Without dead ends: 1942 [2023-11-29 07:06:11,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2023-11-29 07:06:11,290 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 6872 mSDsluCounter, 3925 mSDsCounter, 0 mSdLazyCounter, 7011 mSolverCounterSat, 1080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6895 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 8091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1080 IncrementalHoareTripleChecker+Valid, 7011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:11,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6895 Valid, 4548 Invalid, 8091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1080 Valid, 7011 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-11-29 07:06:11,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2023-11-29 07:06:11,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1349. [2023-11-29 07:06:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1219 states have (on average 1.5447087776866284) internal successors, (1883), 1225 states have internal predecessors, (1883), 94 states have call successors, (94), 33 states have call predecessors, (94), 33 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 07:06:11,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2069 transitions. [2023-11-29 07:06:11,391 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2069 transitions. Word has length 94 [2023-11-29 07:06:11,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:11,391 INFO L495 AbstractCegarLoop]: Abstraction has 1349 states and 2069 transitions. [2023-11-29 07:06:11,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:06:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2069 transitions. [2023-11-29 07:06:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-29 07:06:11,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:11,394 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-29 07:06:11,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 07:06:11,394 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:06:11,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:11,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1157209255, now seen corresponding path program 1 times [2023-11-29 07:06:11,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:06:11,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812587675] [2023-11-29 07:06:11,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:11,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:06:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:06:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:06:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 07:06:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:06:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 07:06:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 07:06:11,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:06:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812587675] [2023-11-29 07:06:11,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812587675] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:06:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040082989] [2023-11-29 07:06:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:11,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:06:11,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:06:11,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:06:11,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 07:06:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:13,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 1826 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 07:06:13,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 07:06:13,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:06:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 07:06:13,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040082989] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:06:13,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:06:13,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 7] total 17 [2023-11-29 07:06:13,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845108060] [2023-11-29 07:06:13,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:06:13,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 07:06:13,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:06:13,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 07:06:13,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:06:13,215 INFO L87 Difference]: Start difference. First operand 1349 states and 2069 transitions. Second operand has 17 states, 17 states have (on average 6.529411764705882) internal successors, (111), 13 states have internal predecessors, (111), 1 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-29 07:06:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:26,362 INFO L93 Difference]: Finished difference Result 3259 states and 5068 transitions. [2023-11-29 07:06:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 07:06:26,362 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.529411764705882) internal successors, (111), 13 states have internal predecessors, (111), 1 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 96 [2023-11-29 07:06:26,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:26,371 INFO L225 Difference]: With dead ends: 3259 [2023-11-29 07:06:26,372 INFO L226 Difference]: Without dead ends: 1916 [2023-11-29 07:06:26,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-11-29 07:06:26,375 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 4593 mSDsluCounter, 4657 mSDsCounter, 0 mSdLazyCounter, 8070 mSolverCounterSat, 836 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4593 SdHoareTripleChecker+Valid, 5285 SdHoareTripleChecker+Invalid, 8906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 836 IncrementalHoareTripleChecker+Valid, 8070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:26,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4593 Valid, 5285 Invalid, 8906 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [836 Valid, 8070 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2023-11-29 07:06:26,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2023-11-29 07:06:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1355. [2023-11-29 07:06:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1225 states have (on average 1.5420408163265307) internal successors, (1889), 1231 states have internal predecessors, (1889), 94 states have call successors, (94), 33 states have call predecessors, (94), 33 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 07:06:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 2075 transitions. [2023-11-29 07:06:26,441 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 2075 transitions. Word has length 96 [2023-11-29 07:06:26,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:26,441 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 2075 transitions. [2023-11-29 07:06:26,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.529411764705882) internal successors, (111), 13 states have internal predecessors, (111), 1 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-29 07:06:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2075 transitions. [2023-11-29 07:06:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 07:06:26,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:26,443 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:06:26,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 07:06:26,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:06:26,643 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:06:26,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash -691165991, now seen corresponding path program 2 times [2023-11-29 07:06:26,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:06:26,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320970996] [2023-11-29 07:06:26,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:26,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:06:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:06:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:06:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 07:06:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 07:06:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 07:06:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:06:27,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:06:27,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320970996] [2023-11-29 07:06:27,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320970996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:27,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:27,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:06:27,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806281573] [2023-11-29 07:06:27,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:27,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:06:27,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:06:27,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:06:27,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:06:27,298 INFO L87 Difference]: Start difference. First operand 1355 states and 2075 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:06:29,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:36,163 INFO L93 Difference]: Finished difference Result 3242 states and 5031 transitions. [2023-11-29 07:06:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:06:36,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 102 [2023-11-29 07:06:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:36,172 INFO L225 Difference]: With dead ends: 3242 [2023-11-29 07:06:36,172 INFO L226 Difference]: Without dead ends: 1925 [2023-11-29 07:06:36,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-11-29 07:06:36,175 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 4578 mSDsluCounter, 2804 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 850 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4578 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 5300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 850 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:36,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4578 Valid, 3430 Invalid, 5300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [850 Valid, 4450 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-29 07:06:36,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2023-11-29 07:06:36,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1362. [2023-11-29 07:06:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1230 states have (on average 1.5398373983739837) internal successors, (1894), 1236 states have internal predecessors, (1894), 94 states have call successors, (94), 35 states have call predecessors, (94), 35 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 07:06:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 2080 transitions. [2023-11-29 07:06:36,265 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 2080 transitions. Word has length 102 [2023-11-29 07:06:36,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:36,265 INFO L495 AbstractCegarLoop]: Abstraction has 1362 states and 2080 transitions. [2023-11-29 07:06:36,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:06:36,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 2080 transitions. [2023-11-29 07:06:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:06:36,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:36,268 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:06:36,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 07:06:36,268 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:06:36,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:36,269 INFO L85 PathProgramCache]: Analyzing trace with hash 854123257, now seen corresponding path program 1 times [2023-11-29 07:06:36,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:06:36,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591766412] [2023-11-29 07:06:36,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:36,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:06:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:06:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:06:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 07:06:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:06:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 07:06:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:36,777 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:06:36,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:06:36,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591766412] [2023-11-29 07:06:36,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591766412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:36,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:36,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 07:06:36,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085290846] [2023-11-29 07:06:36,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:36,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 07:06:36,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:06:36,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 07:06:36,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:06:36,779 INFO L87 Difference]: Start difference. First operand 1362 states and 2080 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:06:45,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:45,983 INFO L93 Difference]: Finished difference Result 3253 states and 5047 transitions. [2023-11-29 07:06:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 07:06:45,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 110 [2023-11-29 07:06:45,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:45,992 INFO L225 Difference]: With dead ends: 3253 [2023-11-29 07:06:45,992 INFO L226 Difference]: Without dead ends: 1927 [2023-11-29 07:06:45,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-29 07:06:45,996 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 4566 mSDsluCounter, 3413 mSDsCounter, 0 mSdLazyCounter, 5618 mSolverCounterSat, 846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4566 SdHoareTripleChecker+Valid, 4038 SdHoareTripleChecker+Invalid, 6464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 846 IncrementalHoareTripleChecker+Valid, 5618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:45,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4566 Valid, 4038 Invalid, 6464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [846 Valid, 5618 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-29 07:06:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2023-11-29 07:06:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1364. [2023-11-29 07:06:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1232 states have (on average 1.5389610389610389) internal successors, (1896), 1238 states have internal predecessors, (1896), 94 states have call successors, (94), 35 states have call predecessors, (94), 35 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 07:06:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2082 transitions. [2023-11-29 07:06:46,093 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2082 transitions. Word has length 110 [2023-11-29 07:06:46,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:46,094 INFO L495 AbstractCegarLoop]: Abstraction has 1364 states and 2082 transitions. [2023-11-29 07:06:46,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:06:46,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2082 transitions. [2023-11-29 07:06:46,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:06:46,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:46,095 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:06:46,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 07:06:46,095 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:06:46,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:46,096 INFO L85 PathProgramCache]: Analyzing trace with hash -203714821, now seen corresponding path program 1 times [2023-11-29 07:06:46,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:06:46,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158264526] [2023-11-29 07:06:46,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:46,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:06:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:06:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:06:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 07:06:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:06:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 07:06:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:06:46,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:06:46,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158264526] [2023-11-29 07:06:46,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158264526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:46,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:46,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 07:06:46,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411204084] [2023-11-29 07:06:46,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:46,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 07:06:46,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:06:46,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 07:06:46,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:06:46,499 INFO L87 Difference]: Start difference. First operand 1364 states and 2082 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:06:57,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:57,381 INFO L93 Difference]: Finished difference Result 3262 states and 5060 transitions. [2023-11-29 07:06:57,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:06:57,382 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 110 [2023-11-29 07:06:57,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:57,389 INFO L225 Difference]: With dead ends: 3262 [2023-11-29 07:06:57,389 INFO L226 Difference]: Without dead ends: 1934 [2023-11-29 07:06:57,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-11-29 07:06:57,392 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 4524 mSDsluCounter, 4022 mSDsCounter, 0 mSdLazyCounter, 6987 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4524 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 7829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 6987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:57,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4524 Valid, 4648 Invalid, 7829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [842 Valid, 6987 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2023-11-29 07:06:57,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2023-11-29 07:06:57,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1367. [2023-11-29 07:06:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1235 states have (on average 1.5368421052631578) internal successors, (1898), 1241 states have internal predecessors, (1898), 94 states have call successors, (94), 35 states have call predecessors, (94), 35 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 07:06:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 2084 transitions. [2023-11-29 07:06:57,488 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 2084 transitions. Word has length 110 [2023-11-29 07:06:57,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:57,489 INFO L495 AbstractCegarLoop]: Abstraction has 1367 states and 2084 transitions. [2023-11-29 07:06:57,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:06:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 2084 transitions. [2023-11-29 07:06:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 07:06:57,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:57,491 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:06:57,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 07:06:57,491 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:06:57,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:57,492 INFO L85 PathProgramCache]: Analyzing trace with hash 335614996, now seen corresponding path program 1 times [2023-11-29 07:06:57,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:06:57,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808565005] [2023-11-29 07:06:57,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:57,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:06:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:06:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:06:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:06:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:06:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:06:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:06:57,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:06:57,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808565005] [2023-11-29 07:06:57,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808565005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:57,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:57,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 07:06:57,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788784685] [2023-11-29 07:06:57,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:57,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 07:06:57,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:06:57,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 07:06:57,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:06:57,983 INFO L87 Difference]: Start difference. First operand 1367 states and 2084 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:07:07,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:07,738 INFO L93 Difference]: Finished difference Result 3255 states and 5046 transitions. [2023-11-29 07:07:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 07:07:07,739 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 112 [2023-11-29 07:07:07,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:07,749 INFO L225 Difference]: With dead ends: 3255 [2023-11-29 07:07:07,750 INFO L226 Difference]: Without dead ends: 1932 [2023-11-29 07:07:07,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-29 07:07:07,754 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 4560 mSDsluCounter, 3413 mSDsCounter, 0 mSdLazyCounter, 5739 mSolverCounterSat, 830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4560 SdHoareTripleChecker+Valid, 4038 SdHoareTripleChecker+Invalid, 6569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 830 IncrementalHoareTripleChecker+Valid, 5739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:07,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4560 Valid, 4038 Invalid, 6569 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [830 Valid, 5739 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-11-29 07:07:07,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2023-11-29 07:07:07,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1369. [2023-11-29 07:07:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1237 states have (on average 1.5359741309620047) internal successors, (1900), 1243 states have internal predecessors, (1900), 94 states have call successors, (94), 35 states have call predecessors, (94), 35 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 07:07:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 2086 transitions. [2023-11-29 07:07:07,857 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 2086 transitions. Word has length 112 [2023-11-29 07:07:07,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:07,857 INFO L495 AbstractCegarLoop]: Abstraction has 1369 states and 2086 transitions. [2023-11-29 07:07:07,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:07:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2086 transitions. [2023-11-29 07:07:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 07:07:07,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:07,860 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:07:07,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 07:07:07,860 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:07:07,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:07,861 INFO L85 PathProgramCache]: Analyzing trace with hash -806887470, now seen corresponding path program 1 times [2023-11-29 07:07:07,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:07:07,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122098487] [2023-11-29 07:07:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:07,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:07:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:07:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:07:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:07:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:07:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:07:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:08,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:07:08,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122098487] [2023-11-29 07:07:08,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122098487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:08,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:08,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 07:07:08,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899339115] [2023-11-29 07:07:08,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:08,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 07:07:08,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:07:08,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 07:07:08,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:07:08,334 INFO L87 Difference]: Start difference. First operand 1369 states and 2086 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:07:20,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:20,324 INFO L93 Difference]: Finished difference Result 3263 states and 5057 transitions. [2023-11-29 07:07:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:07:20,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 112 [2023-11-29 07:07:20,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:20,333 INFO L225 Difference]: With dead ends: 3263 [2023-11-29 07:07:20,334 INFO L226 Difference]: Without dead ends: 1938 [2023-11-29 07:07:20,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-11-29 07:07:20,337 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 4616 mSDsluCounter, 4059 mSDsCounter, 0 mSdLazyCounter, 6868 mSolverCounterSat, 837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4616 SdHoareTripleChecker+Valid, 4692 SdHoareTripleChecker+Invalid, 7705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 6868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:20,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4616 Valid, 4692 Invalid, 7705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [837 Valid, 6868 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2023-11-29 07:07:20,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2023-11-29 07:07:20,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1368. [2023-11-29 07:07:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1368 states, 1236 states have (on average 1.535598705501618) internal successors, (1898), 1242 states have internal predecessors, (1898), 94 states have call successors, (94), 35 states have call predecessors, (94), 35 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 07:07:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 2084 transitions. [2023-11-29 07:07:20,408 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 2084 transitions. Word has length 112 [2023-11-29 07:07:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:20,408 INFO L495 AbstractCegarLoop]: Abstraction has 1368 states and 2084 transitions. [2023-11-29 07:07:20,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:07:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 2084 transitions. [2023-11-29 07:07:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 07:07:20,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:20,410 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:07:20,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 07:07:20,411 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:07:20,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:20,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1112681269, now seen corresponding path program 1 times [2023-11-29 07:07:20,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:07:20,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383856469] [2023-11-29 07:07:20,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:20,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:07:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:07:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:21,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:07:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:07:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:07:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:07:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:21,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:07:21,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383856469] [2023-11-29 07:07:21,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383856469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:21,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:21,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 07:07:21,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702823049] [2023-11-29 07:07:21,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:21,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 07:07:21,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:07:21,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 07:07:21,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:07:21,334 INFO L87 Difference]: Start difference. First operand 1368 states and 2084 transitions. Second operand has 12 states, 10 states have (on average 9.2) internal successors, (92), 8 states have internal predecessors, (92), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:07:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:36,821 INFO L93 Difference]: Finished difference Result 3234 states and 5014 transitions. [2023-11-29 07:07:36,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 07:07:36,822 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.2) internal successors, (92), 8 states have internal predecessors, (92), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 112 [2023-11-29 07:07:36,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:36,831 INFO L225 Difference]: With dead ends: 3234 [2023-11-29 07:07:36,831 INFO L226 Difference]: Without dead ends: 1941 [2023-11-29 07:07:36,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2023-11-29 07:07:36,835 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 4573 mSDsluCounter, 5817 mSDsCounter, 0 mSdLazyCounter, 10573 mSolverCounterSat, 829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4577 SdHoareTripleChecker+Valid, 6440 SdHoareTripleChecker+Invalid, 11402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 10573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:36,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4577 Valid, 6440 Invalid, 11402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [829 Valid, 10573 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2023-11-29 07:07:36,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2023-11-29 07:07:36,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1373. [2023-11-29 07:07:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 1240 states have (on average 1.5354838709677419) internal successors, (1904), 1247 states have internal predecessors, (1904), 94 states have call successors, (94), 35 states have call predecessors, (94), 36 states have return successors, (93), 92 states have call predecessors, (93), 92 states have call successors, (93) [2023-11-29 07:07:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 2091 transitions. [2023-11-29 07:07:36,933 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 2091 transitions. Word has length 112 [2023-11-29 07:07:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:36,933 INFO L495 AbstractCegarLoop]: Abstraction has 1373 states and 2091 transitions. [2023-11-29 07:07:36,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 9.2) internal successors, (92), 8 states have internal predecessors, (92), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:07:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 2091 transitions. [2023-11-29 07:07:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 07:07:36,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:36,935 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:07:36,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 07:07:36,935 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:07:36,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash 970832530, now seen corresponding path program 1 times [2023-11-29 07:07:36,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:07:36,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180571097] [2023-11-29 07:07:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:36,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:07:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:07:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:07:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:07:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:07:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:37,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:07:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-29 07:07:37,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:07:37,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180571097] [2023-11-29 07:07:37,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180571097] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:07:37,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903248745] [2023-11-29 07:07:37,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:37,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:07:37,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:07:37,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:07:37,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 07:07:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:38,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 07:07:38,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:38,520 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:38,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:38,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903248745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:38,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:07:38,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-11-29 07:07:38,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495864271] [2023-11-29 07:07:38,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:38,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:07:38,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:07:38,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:07:38,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:07:38,523 INFO L87 Difference]: Start difference. First operand 1373 states and 2091 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 07:07:39,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:39,957 INFO L93 Difference]: Finished difference Result 2592 states and 3977 transitions. [2023-11-29 07:07:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:07:39,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 112 [2023-11-29 07:07:39,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:39,963 INFO L225 Difference]: With dead ends: 2592 [2023-11-29 07:07:39,963 INFO L226 Difference]: Without dead ends: 1551 [2023-11-29 07:07:39,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:07:39,967 INFO L413 NwaCegarLoop]: 1674 mSDtfsCounter, 333 mSDsluCounter, 3278 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 4952 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:39,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 4952 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 07:07:39,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2023-11-29 07:07:40,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1374. [2023-11-29 07:07:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1241 states have (on average 1.5350523771152296) internal successors, (1905), 1248 states have internal predecessors, (1905), 94 states have call successors, (94), 35 states have call predecessors, (94), 36 states have return successors, (93), 92 states have call predecessors, (93), 92 states have call successors, (93) [2023-11-29 07:07:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2092 transitions. [2023-11-29 07:07:40,039 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2092 transitions. Word has length 112 [2023-11-29 07:07:40,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:40,039 INFO L495 AbstractCegarLoop]: Abstraction has 1374 states and 2092 transitions. [2023-11-29 07:07:40,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 07:07:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2092 transitions. [2023-11-29 07:07:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 07:07:40,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:40,041 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:07:40,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 07:07:40,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 07:07:40,241 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:07:40,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:40,242 INFO L85 PathProgramCache]: Analyzing trace with hash -375416950, now seen corresponding path program 1 times [2023-11-29 07:07:40,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:07:40,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688139215] [2023-11-29 07:07:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:07:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:07:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:07:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:07:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:40,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:07:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:07:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-29 07:07:40,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:07:40,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688139215] [2023-11-29 07:07:40,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688139215] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:07:40,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464482818] [2023-11-29 07:07:40,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:40,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:07:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:07:40,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:07:40,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 07:07:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:41,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:07:41,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:42,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:42,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464482818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:42,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:07:42,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-11-29 07:07:42,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259741190] [2023-11-29 07:07:42,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:42,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:07:42,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:07:42,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:07:42,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:07:42,128 INFO L87 Difference]: Start difference. First operand 1374 states and 2092 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:07:43,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:43,714 INFO L93 Difference]: Finished difference Result 2797 states and 4320 transitions. [2023-11-29 07:07:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:07:43,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 115 [2023-11-29 07:07:43,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:43,721 INFO L225 Difference]: With dead ends: 2797 [2023-11-29 07:07:43,721 INFO L226 Difference]: Without dead ends: 1603 [2023-11-29 07:07:43,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:07:43,725 INFO L413 NwaCegarLoop]: 1701 mSDtfsCounter, 199 mSDsluCounter, 3267 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 4968 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:43,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 4968 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 07:07:43,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2023-11-29 07:07:43,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1590. [2023-11-29 07:07:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1451 states have (on average 1.5430737422467264) internal successors, (2239), 1458 states have internal predecessors, (2239), 100 states have call successors, (100), 35 states have call predecessors, (100), 36 states have return successors, (99), 98 states have call predecessors, (99), 98 states have call successors, (99) [2023-11-29 07:07:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2438 transitions. [2023-11-29 07:07:43,815 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2438 transitions. Word has length 115 [2023-11-29 07:07:43,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:43,815 INFO L495 AbstractCegarLoop]: Abstraction has 1590 states and 2438 transitions. [2023-11-29 07:07:43,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:07:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2438 transitions. [2023-11-29 07:07:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 07:07:43,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:43,816 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:07:43,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 07:07:44,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 07:07:44,017 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:07:44,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:44,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1265490295, now seen corresponding path program 1 times [2023-11-29 07:07:44,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:07:44,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63255762] [2023-11-29 07:07:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:07:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:07:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:07:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:07:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:07:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:07:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:44,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:07:44,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63255762] [2023-11-29 07:07:44,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63255762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:44,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:44,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 07:07:44,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368697599] [2023-11-29 07:07:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:44,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 07:07:44,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:07:44,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 07:07:44,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:07:44,712 INFO L87 Difference]: Start difference. First operand 1590 states and 2438 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:07:54,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:54,425 INFO L93 Difference]: Finished difference Result 3644 states and 5676 transitions. [2023-11-29 07:07:54,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:07:54,426 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 116 [2023-11-29 07:07:54,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:54,433 INFO L225 Difference]: With dead ends: 3644 [2023-11-29 07:07:54,433 INFO L226 Difference]: Without dead ends: 2155 [2023-11-29 07:07:54,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:07:54,436 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 7222 mSDsluCounter, 2962 mSDsCounter, 0 mSdLazyCounter, 5706 mSolverCounterSat, 1128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7243 SdHoareTripleChecker+Valid, 3554 SdHoareTripleChecker+Invalid, 6834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1128 IncrementalHoareTripleChecker+Valid, 5706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:54,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7243 Valid, 3554 Invalid, 6834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1128 Valid, 5706 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-11-29 07:07:54,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2023-11-29 07:07:54,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 1590. [2023-11-29 07:07:54,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1451 states have (on average 1.5416953824948312) internal successors, (2237), 1458 states have internal predecessors, (2237), 100 states have call successors, (100), 35 states have call predecessors, (100), 36 states have return successors, (99), 98 states have call predecessors, (99), 98 states have call successors, (99) [2023-11-29 07:07:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2436 transitions. [2023-11-29 07:07:54,529 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2436 transitions. Word has length 116 [2023-11-29 07:07:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:54,529 INFO L495 AbstractCegarLoop]: Abstraction has 1590 states and 2436 transitions. [2023-11-29 07:07:54,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:07:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2436 transitions. [2023-11-29 07:07:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 07:07:54,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:54,531 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-29 07:07:54,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 07:07:54,531 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:07:54,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:54,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1746570553, now seen corresponding path program 1 times [2023-11-29 07:07:54,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:07:54,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716838036] [2023-11-29 07:07:54,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:54,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:07:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:07:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:07:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:07:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:55,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:07:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:55,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:07:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-29 07:07:55,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:07:55,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716838036] [2023-11-29 07:07:55,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716838036] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:07:55,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729320670] [2023-11-29 07:07:55,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:55,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:07:55,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:07:55,111 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:07:55,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 07:07:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:56,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 07:07:56,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:56,149 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:56,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729320670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:56,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:07:56,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-11-29 07:07:56,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586183705] [2023-11-29 07:07:56,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:56,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:07:56,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:07:56,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:07:56,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:07:56,151 INFO L87 Difference]: Start difference. First operand 1590 states and 2436 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:07:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:57,695 INFO L93 Difference]: Finished difference Result 3256 states and 5052 transitions. [2023-11-29 07:07:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:07:57,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 116 [2023-11-29 07:07:57,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:57,700 INFO L225 Difference]: With dead ends: 3256 [2023-11-29 07:07:57,700 INFO L226 Difference]: Without dead ends: 2061 [2023-11-29 07:07:57,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:07:57,704 INFO L413 NwaCegarLoop]: 1679 mSDtfsCounter, 492 mSDsluCounter, 3272 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 4951 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:57,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 4951 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 07:07:57,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2023-11-29 07:07:57,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 1903. [2023-11-29 07:07:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1903 states, 1756 states have (on average 1.5529612756264237) internal successors, (2727), 1763 states have internal predecessors, (2727), 108 states have call successors, (108), 35 states have call predecessors, (108), 36 states have return successors, (107), 106 states have call predecessors, (107), 106 states have call successors, (107) [2023-11-29 07:07:57,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2942 transitions. [2023-11-29 07:07:57,790 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2942 transitions. Word has length 116 [2023-11-29 07:07:57,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:57,790 INFO L495 AbstractCegarLoop]: Abstraction has 1903 states and 2942 transitions. [2023-11-29 07:07:57,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:07:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2942 transitions. [2023-11-29 07:07:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 07:07:57,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:57,793 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:07:57,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 07:07:57,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:07:57,993 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:07:57,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:57,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1276606263, now seen corresponding path program 1 times [2023-11-29 07:07:57,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:07:57,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124741762] [2023-11-29 07:07:57,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:57,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:07:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:07:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:07:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:07:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:07:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:07:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:58,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:07:58,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124741762] [2023-11-29 07:07:58,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124741762] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:07:58,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140923675] [2023-11-29 07:07:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:58,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:07:58,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:07:58,538 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:07:58,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 07:07:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:59,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 2002 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 07:07:59,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:59,537 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:07:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 07:07:59,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140923675] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:07:59,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:07:59,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 11 [2023-11-29 07:07:59,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152768213] [2023-11-29 07:07:59,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:07:59,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 07:07:59,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:07:59,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 07:07:59,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:07:59,602 INFO L87 Difference]: Start difference. First operand 1903 states and 2942 transitions. Second operand has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 7 states have internal predecessors, (157), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 07:08:14,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:08:14,412 INFO L93 Difference]: Finished difference Result 4413 states and 6946 transitions. [2023-11-29 07:08:14,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 07:08:14,413 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 7 states have internal predecessors, (157), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 124 [2023-11-29 07:08:14,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:08:14,419 INFO L225 Difference]: With dead ends: 4413 [2023-11-29 07:08:14,419 INFO L226 Difference]: Without dead ends: 2660 [2023-11-29 07:08:14,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2023-11-29 07:08:14,422 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 5181 mSDsluCounter, 5003 mSDsCounter, 0 mSdLazyCounter, 9436 mSolverCounterSat, 934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5196 SdHoareTripleChecker+Valid, 5630 SdHoareTripleChecker+Invalid, 10370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 934 IncrementalHoareTripleChecker+Valid, 9436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:08:14,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5196 Valid, 5630 Invalid, 10370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [934 Valid, 9436 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2023-11-29 07:08:14,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2023-11-29 07:08:14,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 1945. [2023-11-29 07:08:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1796 states have (on average 1.5528953229398663) internal successors, (2789), 1803 states have internal predecessors, (2789), 110 states have call successors, (110), 35 states have call predecessors, (110), 36 states have return successors, (109), 108 states have call predecessors, (109), 108 states have call successors, (109) [2023-11-29 07:08:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 3008 transitions. [2023-11-29 07:08:14,534 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 3008 transitions. Word has length 124 [2023-11-29 07:08:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:08:14,534 INFO L495 AbstractCegarLoop]: Abstraction has 1945 states and 3008 transitions. [2023-11-29 07:08:14,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 7 states have internal predecessors, (157), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 07:08:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 3008 transitions. [2023-11-29 07:08:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 07:08:14,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:08:14,536 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:08:14,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 07:08:14,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:08:14,737 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:08:14,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:08:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash -355458546, now seen corresponding path program 1 times [2023-11-29 07:08:14,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:08:14,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745427637] [2023-11-29 07:08:14,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:08:14,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:08:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:08:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:15,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:08:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:08:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:08:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 07:08:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-29 07:08:15,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:08:15,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745427637] [2023-11-29 07:08:15,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745427637] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:08:15,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613511891] [2023-11-29 07:08:15,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:08:15,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:08:15,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:08:15,172 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:08:15,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 07:08:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:16,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 07:08:16,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:08:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-29 07:08:16,253 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:08:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-29 07:08:16,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613511891] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:08:16,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:08:16,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 13 [2023-11-29 07:08:16,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304373224] [2023-11-29 07:08:16,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:08:16,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 07:08:16,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:08:16,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 07:08:16,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:08:16,336 INFO L87 Difference]: Start difference. First operand 1945 states and 3008 transitions. Second operand has 13 states, 13 states have (on average 12.923076923076923) internal successors, (168), 9 states have internal predecessors, (168), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 07:08:26,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:08:37,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:08:37,093 INFO L93 Difference]: Finished difference Result 4608 states and 7271 transitions. [2023-11-29 07:08:37,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 07:08:37,093 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.923076923076923) internal successors, (168), 9 states have internal predecessors, (168), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 134 [2023-11-29 07:08:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:08:37,099 INFO L225 Difference]: With dead ends: 4608 [2023-11-29 07:08:37,100 INFO L226 Difference]: Without dead ends: 2827 [2023-11-29 07:08:37,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2023-11-29 07:08:37,106 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 5813 mSDsluCounter, 6391 mSDsCounter, 0 mSdLazyCounter, 12108 mSolverCounterSat, 1008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5834 SdHoareTripleChecker+Valid, 7044 SdHoareTripleChecker+Invalid, 13116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1008 IncrementalHoareTripleChecker+Valid, 12108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:08:37,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5834 Valid, 7044 Invalid, 13116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1008 Valid, 12108 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2023-11-29 07:08:37,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2023-11-29 07:08:37,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 1992. [2023-11-29 07:08:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1841 states have (on average 1.5524171645844649) internal successors, (2858), 1848 states have internal predecessors, (2858), 112 states have call successors, (112), 35 states have call predecessors, (112), 36 states have return successors, (111), 110 states have call predecessors, (111), 110 states have call successors, (111) [2023-11-29 07:08:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 3081 transitions. [2023-11-29 07:08:37,238 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 3081 transitions. Word has length 134 [2023-11-29 07:08:37,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:08:37,238 INFO L495 AbstractCegarLoop]: Abstraction has 1992 states and 3081 transitions. [2023-11-29 07:08:37,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.923076923076923) internal successors, (168), 9 states have internal predecessors, (168), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 07:08:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 3081 transitions. [2023-11-29 07:08:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 07:08:37,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:08:37,241 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:08:37,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 07:08:37,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 07:08:37,441 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:08:37,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:08:37,442 INFO L85 PathProgramCache]: Analyzing trace with hash -2113340785, now seen corresponding path program 1 times [2023-11-29 07:08:37,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:08:37,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757059253] [2023-11-29 07:08:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:08:37,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:08:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:08:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 07:08:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:08:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 07:08:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:08:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-29 07:08:37,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:08:37,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757059253] [2023-11-29 07:08:37,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757059253] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:08:37,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729319890] [2023-11-29 07:08:37,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:08:37,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:08:37,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:08:37,936 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:08:37,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 07:08:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:38,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 2078 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 07:08:38,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:08:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:08:38,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:08:38,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729319890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:08:38,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:08:38,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2023-11-29 07:08:38,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965077877] [2023-11-29 07:08:38,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:08:38,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:08:38,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:08:38,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:08:38,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-29 07:08:38,980 INFO L87 Difference]: Start difference. First operand 1992 states and 3081 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:08:41,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:08:41,203 INFO L93 Difference]: Finished difference Result 3965 states and 6142 transitions. [2023-11-29 07:08:41,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:08:41,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 143 [2023-11-29 07:08:41,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:08:41,208 INFO L225 Difference]: With dead ends: 3965 [2023-11-29 07:08:41,209 INFO L226 Difference]: Without dead ends: 1995 [2023-11-29 07:08:41,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-29 07:08:41,212 INFO L413 NwaCegarLoop]: 1658 mSDtfsCounter, 605 mSDsluCounter, 5992 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 7650 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:08:41,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 7650 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 07:08:41,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2023-11-29 07:08:41,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1993. [2023-11-29 07:08:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1993 states, 1842 states have (on average 1.5521172638436482) internal successors, (2859), 1849 states have internal predecessors, (2859), 112 states have call successors, (112), 35 states have call predecessors, (112), 36 states have return successors, (111), 110 states have call predecessors, (111), 110 states have call successors, (111) [2023-11-29 07:08:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 3082 transitions. [2023-11-29 07:08:41,319 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 3082 transitions. Word has length 143 [2023-11-29 07:08:41,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:08:41,319 INFO L495 AbstractCegarLoop]: Abstraction has 1993 states and 3082 transitions. [2023-11-29 07:08:41,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:08:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 3082 transitions. [2023-11-29 07:08:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 07:08:41,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:08:41,322 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:08:41,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 07:08:41,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:08:41,523 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:08:41,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:08:41,523 INFO L85 PathProgramCache]: Analyzing trace with hash 828344324, now seen corresponding path program 1 times [2023-11-29 07:08:41,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:08:41,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295815195] [2023-11-29 07:08:41,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:08:41,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:08:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:08:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 07:08:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 07:08:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:08:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:08:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:41,877 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:08:41,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:08:41,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295815195] [2023-11-29 07:08:41,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295815195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:08:41,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:08:41,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:08:41,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913918195] [2023-11-29 07:08:41,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:08:41,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:08:41,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:08:41,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:08:41,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:08:41,878 INFO L87 Difference]: Start difference. First operand 1993 states and 3082 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:08:50,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:08:50,271 INFO L93 Difference]: Finished difference Result 4532 states and 7080 transitions. [2023-11-29 07:08:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 07:08:50,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 146 [2023-11-29 07:08:50,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:08:50,277 INFO L225 Difference]: With dead ends: 4532 [2023-11-29 07:08:50,277 INFO L226 Difference]: Without dead ends: 2559 [2023-11-29 07:08:50,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:08:50,280 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 4615 mSDsluCounter, 2829 mSDsCounter, 0 mSdLazyCounter, 4367 mSolverCounterSat, 841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4615 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 5208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 4367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-29 07:08:50,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4615 Valid, 3455 Invalid, 5208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [841 Valid, 4367 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-11-29 07:08:50,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2023-11-29 07:08:50,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 1994. [2023-11-29 07:08:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1994 states, 1843 states have (on average 1.551817688551275) internal successors, (2860), 1850 states have internal predecessors, (2860), 112 states have call successors, (112), 35 states have call predecessors, (112), 36 states have return successors, (111), 110 states have call predecessors, (111), 110 states have call successors, (111) [2023-11-29 07:08:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 3083 transitions. [2023-11-29 07:08:50,383 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 3083 transitions. Word has length 146 [2023-11-29 07:08:50,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:08:50,383 INFO L495 AbstractCegarLoop]: Abstraction has 1994 states and 3083 transitions. [2023-11-29 07:08:50,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:08:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 3083 transitions. [2023-11-29 07:08:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 07:08:50,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:08:50,385 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:08:50,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 07:08:50,385 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:08:50,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:08:50,386 INFO L85 PathProgramCache]: Analyzing trace with hash 909649138, now seen corresponding path program 1 times [2023-11-29 07:08:50,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:08:50,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644020982] [2023-11-29 07:08:50,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:08:50,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:08:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:08:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:50,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:08:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 07:08:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:50,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 07:08:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:50,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 07:08:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:08:50,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:08:50,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644020982] [2023-11-29 07:08:50,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644020982] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:08:50,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763966832] [2023-11-29 07:08:50,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:08:50,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:08:50,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:08:50,723 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:08:50,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 07:08:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:08:51,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 07:08:51,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:08:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:08:51,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:08:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:08:51,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763966832] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:08:51,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:08:51,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-11-29 07:08:51,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176618558] [2023-11-29 07:08:51,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:08:51,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 07:08:51,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:08:51,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 07:08:51,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:08:51,847 INFO L87 Difference]: Start difference. First operand 1994 states and 3083 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 07:09:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:09:02,119 INFO L93 Difference]: Finished difference Result 4536 states and 7086 transitions. [2023-11-29 07:09:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:09:02,120 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 147 [2023-11-29 07:09:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:09:02,125 INFO L225 Difference]: With dead ends: 4536 [2023-11-29 07:09:02,125 INFO L226 Difference]: Without dead ends: 2562 [2023-11-29 07:09:02,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:09:02,127 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 4555 mSDsluCounter, 3433 mSDsCounter, 0 mSdLazyCounter, 5722 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4555 SdHoareTripleChecker+Valid, 4059 SdHoareTripleChecker+Invalid, 6546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 5722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:09:02,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4555 Valid, 4059 Invalid, 6546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [824 Valid, 5722 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-11-29 07:09:02,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2023-11-29 07:09:02,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 1997. [2023-11-29 07:09:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1997 states, 1846 states have (on average 1.5509209100758397) internal successors, (2863), 1853 states have internal predecessors, (2863), 112 states have call successors, (112), 35 states have call predecessors, (112), 36 states have return successors, (111), 110 states have call predecessors, (111), 110 states have call successors, (111) [2023-11-29 07:09:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 3086 transitions. [2023-11-29 07:09:02,229 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 3086 transitions. Word has length 147 [2023-11-29 07:09:02,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:09:02,229 INFO L495 AbstractCegarLoop]: Abstraction has 1997 states and 3086 transitions. [2023-11-29 07:09:02,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 07:09:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 3086 transitions. [2023-11-29 07:09:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 07:09:02,231 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:02,232 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:09:02,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 07:09:02,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 07:09:02,432 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:09:02,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash -250195068, now seen corresponding path program 2 times [2023-11-29 07:09:02,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:09:02,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054028844] [2023-11-29 07:09:02,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:02,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:09:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:09:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 07:09:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:02,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 07:09:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 07:09:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 07:09:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:09:02,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:09:02,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054028844] [2023-11-29 07:09:02,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054028844] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:09:02,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087362967] [2023-11-29 07:09:02,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 07:09:02,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:02,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:09:02,935 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:09:02,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 07:09:03,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 07:09:03,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 07:09:03,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:09:03,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:09:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 07:09:04,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:09:04,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087362967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:09:04,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:09:04,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-11-29 07:09:04,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825854936] [2023-11-29 07:09:04,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:09:04,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:09:04,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:09:04,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:09:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-29 07:09:04,069 INFO L87 Difference]: Start difference. First operand 1997 states and 3086 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:09:06,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:09:06,577 INFO L93 Difference]: Finished difference Result 3942 states and 6111 transitions. [2023-11-29 07:09:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:09:06,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2023-11-29 07:09:06,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:09:06,581 INFO L225 Difference]: With dead ends: 3942 [2023-11-29 07:09:06,581 INFO L226 Difference]: Without dead ends: 2000 [2023-11-29 07:09:06,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-11-29 07:09:06,583 INFO L413 NwaCegarLoop]: 1671 mSDtfsCounter, 18 mSDsluCounter, 4976 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 6647 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:09:06,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 6647 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 07:09:06,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2023-11-29 07:09:06,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1999. [2023-11-29 07:09:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1999 states, 1848 states have (on average 1.5503246753246753) internal successors, (2865), 1855 states have internal predecessors, (2865), 112 states have call successors, (112), 35 states have call predecessors, (112), 36 states have return successors, (111), 110 states have call predecessors, (111), 110 states have call successors, (111) [2023-11-29 07:09:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3088 transitions. [2023-11-29 07:09:06,683 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3088 transitions. Word has length 150 [2023-11-29 07:09:06,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:09:06,683 INFO L495 AbstractCegarLoop]: Abstraction has 1999 states and 3088 transitions. [2023-11-29 07:09:06,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:09:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3088 transitions. [2023-11-29 07:09:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 07:09:06,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:06,685 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:09:06,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 07:09:06,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:06,886 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:09:06,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:06,886 INFO L85 PathProgramCache]: Analyzing trace with hash -873476670, now seen corresponding path program 1 times [2023-11-29 07:09:06,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:09:06,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636767539] [2023-11-29 07:09:06,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:06,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:09:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:07,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:09:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 07:09:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 07:09:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:07,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 07:09:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 07:09:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:09:07,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:09:07,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636767539] [2023-11-29 07:09:07,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636767539] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:09:07,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808898699] [2023-11-29 07:09:07,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:07,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:07,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:09:07,348 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:09:07,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 07:09:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:08,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 2201 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 07:09:08,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:09:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:09:08,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:09:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-29 07:09:08,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808898699] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:09:08,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:09:08,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2023-11-29 07:09:08,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820439325] [2023-11-29 07:09:08,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:09:08,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 07:09:08,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:09:08,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 07:09:08,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:09:08,664 INFO L87 Difference]: Start difference. First operand 1999 states and 3088 transitions. Second operand has 17 states, 17 states have (on average 8.0) internal successors, (136), 13 states have internal predecessors, (136), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 07:09:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:09:26,384 INFO L93 Difference]: Finished difference Result 4549 states and 7102 transitions. [2023-11-29 07:09:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 07:09:26,385 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 13 states have internal predecessors, (136), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 150 [2023-11-29 07:09:26,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:09:26,389 INFO L225 Difference]: With dead ends: 4549 [2023-11-29 07:09:26,389 INFO L226 Difference]: Without dead ends: 2570 [2023-11-29 07:09:26,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-11-29 07:09:26,391 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 4509 mSDsluCounter, 6453 mSDsCounter, 0 mSdLazyCounter, 11882 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4509 SdHoareTripleChecker+Valid, 7080 SdHoareTripleChecker+Invalid, 12714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 11882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:09:26,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4509 Valid, 7080 Invalid, 12714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [832 Valid, 11882 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2023-11-29 07:09:26,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2023-11-29 07:09:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2005. [2023-11-29 07:09:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2005 states, 1854 states have (on average 1.5485436893203883) internal successors, (2871), 1861 states have internal predecessors, (2871), 112 states have call successors, (112), 35 states have call predecessors, (112), 36 states have return successors, (111), 110 states have call predecessors, (111), 110 states have call successors, (111) [2023-11-29 07:09:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 3094 transitions. [2023-11-29 07:09:26,497 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 3094 transitions. Word has length 150 [2023-11-29 07:09:26,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:09:26,498 INFO L495 AbstractCegarLoop]: Abstraction has 2005 states and 3094 transitions. [2023-11-29 07:09:26,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 13 states have internal predecessors, (136), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 07:09:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 3094 transitions. [2023-11-29 07:09:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-29 07:09:26,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:26,500 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:09:26,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 07:09:26,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:26,700 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:09:26,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:26,701 INFO L85 PathProgramCache]: Analyzing trace with hash -137447678, now seen corresponding path program 2 times [2023-11-29 07:09:26,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:09:26,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322217655] [2023-11-29 07:09:26,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:26,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:09:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:27,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:09:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:09:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 07:09:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 07:09:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 07:09:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-29 07:09:27,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:09:27,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322217655] [2023-11-29 07:09:27,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322217655] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:09:27,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822880341] [2023-11-29 07:09:27,265 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 07:09:27,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:27,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:09:27,266 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:09:27,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 07:09:28,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 07:09:28,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 07:09:28,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 07:09:28,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:09:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 07:09:28,412 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:09:28,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822880341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:09:28,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:09:28,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-29 07:09:28,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402359141] [2023-11-29 07:09:28,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:09:28,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:09:28,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:09:28,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:09:28,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:09:28,413 INFO L87 Difference]: Start difference. First operand 2005 states and 3094 transitions. Second operand has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:09:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:09:30,129 INFO L93 Difference]: Finished difference Result 3906 states and 6060 transitions. [2023-11-29 07:09:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:09:30,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 156 [2023-11-29 07:09:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:09:30,134 INFO L225 Difference]: With dead ends: 3906 [2023-11-29 07:09:30,134 INFO L226 Difference]: Without dead ends: 2006 [2023-11-29 07:09:30,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:09:30,136 INFO L413 NwaCegarLoop]: 1673 mSDtfsCounter, 1 mSDsluCounter, 3344 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:09:30,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5017 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 07:09:30,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2023-11-29 07:09:30,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 2006. [2023-11-29 07:09:30,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2006 states, 1855 states have (on average 1.5482479784366576) internal successors, (2872), 1862 states have internal predecessors, (2872), 112 states have call successors, (112), 35 states have call predecessors, (112), 36 states have return successors, (111), 110 states have call predecessors, (111), 110 states have call successors, (111) [2023-11-29 07:09:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 3095 transitions. [2023-11-29 07:09:30,242 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 3095 transitions. Word has length 156 [2023-11-29 07:09:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:09:30,242 INFO L495 AbstractCegarLoop]: Abstraction has 2006 states and 3095 transitions. [2023-11-29 07:09:30,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:09:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 3095 transitions. [2023-11-29 07:09:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 07:09:30,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:30,245 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:09:30,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 07:09:30,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 07:09:30,446 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:09:30,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:30,446 INFO L85 PathProgramCache]: Analyzing trace with hash -2004290261, now seen corresponding path program 1 times [2023-11-29 07:09:30,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:09:30,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144450475] [2023-11-29 07:09:30,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:30,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:09:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:09:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:09:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 07:09:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 07:09:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 07:09:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 07:09:31,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:09:31,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144450475] [2023-11-29 07:09:31,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144450475] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:09:31,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084683203] [2023-11-29 07:09:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:31,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:31,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:09:31,003 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:09:31,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 07:09:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:32,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 2318 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 07:09:32,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:09:32,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 7 [2023-11-29 07:09:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 07:09:32,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:09:32,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2023-11-29 07:09:32,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:09:32,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 12 [2023-11-29 07:09:32,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:09:32,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2023-11-29 07:09:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 07:09:33,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084683203] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:09:33,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:09:33,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 24 [2023-11-29 07:09:33,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541270129] [2023-11-29 07:09:33,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:09:33,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 07:09:33,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:09:33,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 07:09:33,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2023-11-29 07:09:33,082 INFO L87 Difference]: Start difference. First operand 2006 states and 3095 transitions. Second operand has 24 states, 24 states have (on average 13.5) internal successors, (324), 20 states have internal predecessors, (324), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2023-11-29 07:09:43,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:10:02,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:02,717 INFO L93 Difference]: Finished difference Result 6760 states and 10753 transitions. [2023-11-29 07:10:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 07:10:02,718 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 13.5) internal successors, (324), 20 states have internal predecessors, (324), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 157 [2023-11-29 07:10:02,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:02,740 INFO L225 Difference]: With dead ends: 6760 [2023-11-29 07:10:02,740 INFO L226 Difference]: Without dead ends: 4974 [2023-11-29 07:10:02,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=262, Invalid=1718, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 07:10:02,745 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 13905 mSDsluCounter, 19256 mSDsCounter, 0 mSdLazyCounter, 18402 mSolverCounterSat, 1734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13928 SdHoareTripleChecker+Valid, 20598 SdHoareTripleChecker+Invalid, 20136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1734 IncrementalHoareTripleChecker+Valid, 18402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:02,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13928 Valid, 20598 Invalid, 20136 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1734 Valid, 18402 Invalid, 0 Unknown, 0 Unchecked, 28.3s Time] [2023-11-29 07:10:02,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4974 states. [2023-11-29 07:10:02,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4974 to 2120. [2023-11-29 07:10:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2120 states, 1969 states have (on average 1.5510411376333164) internal successors, (3054), 1976 states have internal predecessors, (3054), 112 states have call successors, (112), 35 states have call predecessors, (112), 36 states have return successors, (111), 110 states have call predecessors, (111), 110 states have call successors, (111) [2023-11-29 07:10:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 2120 states and 3277 transitions. [2023-11-29 07:10:02,883 INFO L78 Accepts]: Start accepts. Automaton has 2120 states and 3277 transitions. Word has length 157 [2023-11-29 07:10:02,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:02,883 INFO L495 AbstractCegarLoop]: Abstraction has 2120 states and 3277 transitions. [2023-11-29 07:10:02,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.5) internal successors, (324), 20 states have internal predecessors, (324), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2023-11-29 07:10:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 3277 transitions. [2023-11-29 07:10:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 07:10:02,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:02,886 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:10:02,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 07:10:03,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:03,086 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:10:03,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:03,087 INFO L85 PathProgramCache]: Analyzing trace with hash -875946629, now seen corresponding path program 1 times [2023-11-29 07:10:03,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:03,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835873803] [2023-11-29 07:10:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:03,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:10:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:10:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 07:10:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 07:10:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 07:10:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-29 07:10:03,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:03,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835873803] [2023-11-29 07:10:03,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835873803] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:03,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569579463] [2023-11-29 07:10:03,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:03,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:03,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:03,723 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:03,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 07:10:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:04,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 2302 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 07:10:04,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-29 07:10:04,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:10:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 51 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 07:10:05,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569579463] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:10:05,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:10:05,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 11] total 20 [2023-11-29 07:10:05,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684979917] [2023-11-29 07:10:05,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:10:05,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 07:10:05,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:05,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 07:10:05,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-11-29 07:10:05,271 INFO L87 Difference]: Start difference. First operand 2120 states and 3277 transitions. Second operand has 20 states, 20 states have (on average 8.15) internal successors, (163), 16 states have internal predecessors, (163), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-29 07:10:29,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:29,006 INFO L93 Difference]: Finished difference Result 4823 states and 7579 transitions. [2023-11-29 07:10:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 07:10:29,006 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.15) internal successors, (163), 16 states have internal predecessors, (163), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 166 [2023-11-29 07:10:29,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:29,011 INFO L225 Difference]: With dead ends: 4823 [2023-11-29 07:10:29,011 INFO L226 Difference]: Without dead ends: 2911 [2023-11-29 07:10:29,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=183, Invalid=1007, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 07:10:29,014 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 4940 mSDsluCounter, 7638 mSDsCounter, 0 mSdLazyCounter, 14561 mSolverCounterSat, 939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4963 SdHoareTripleChecker+Valid, 8272 SdHoareTripleChecker+Invalid, 15500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 939 IncrementalHoareTripleChecker+Valid, 14561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:29,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4963 Valid, 8272 Invalid, 15500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [939 Valid, 14561 Invalid, 0 Unknown, 0 Unchecked, 22.6s Time] [2023-11-29 07:10:29,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2023-11-29 07:10:29,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2190. [2023-11-29 07:10:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2190 states, 2033 states have (on average 1.5405804230201672) internal successors, (3132), 2040 states have internal predecessors, (3132), 118 states have call successors, (118), 35 states have call predecessors, (118), 36 states have return successors, (117), 116 states have call predecessors, (117), 116 states have call successors, (117) [2023-11-29 07:10:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 2190 states and 3367 transitions. [2023-11-29 07:10:29,160 INFO L78 Accepts]: Start accepts. Automaton has 2190 states and 3367 transitions. Word has length 166 [2023-11-29 07:10:29,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:29,160 INFO L495 AbstractCegarLoop]: Abstraction has 2190 states and 3367 transitions. [2023-11-29 07:10:29,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.15) internal successors, (163), 16 states have internal predecessors, (163), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-29 07:10:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 3367 transitions. [2023-11-29 07:10:29,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 07:10:29,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:29,163 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:10:29,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 07:10:29,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 07:10:29,363 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:10:29,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:29,363 INFO L85 PathProgramCache]: Analyzing trace with hash -397228664, now seen corresponding path program 1 times [2023-11-29 07:10:29,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:29,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747744745] [2023-11-29 07:10:29,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:29,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:10:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:10:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 07:10:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 07:10:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 07:10:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-29 07:10:29,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:29,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747744745] [2023-11-29 07:10:29,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747744745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:29,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:10:29,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:10:29,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328940616] [2023-11-29 07:10:29,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:29,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:10:29,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:29,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:10:29,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:10:29,717 INFO L87 Difference]: Start difference. First operand 2190 states and 3367 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:10:38,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:38,018 INFO L93 Difference]: Finished difference Result 5188 states and 8058 transitions. [2023-11-29 07:10:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 07:10:38,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 169 [2023-11-29 07:10:38,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:38,024 INFO L225 Difference]: With dead ends: 5188 [2023-11-29 07:10:38,024 INFO L226 Difference]: Without dead ends: 3115 [2023-11-29 07:10:38,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:10:38,033 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 4641 mSDsluCounter, 2794 mSDsCounter, 0 mSdLazyCounter, 4520 mSolverCounterSat, 837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4644 SdHoareTripleChecker+Valid, 3421 SdHoareTripleChecker+Invalid, 5357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 4520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:38,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4644 Valid, 3421 Invalid, 5357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [837 Valid, 4520 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-11-29 07:10:38,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2023-11-29 07:10:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 2362. [2023-11-29 07:10:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2362 states, 2193 states have (on average 1.5175558595531236) internal successors, (3328), 2200 states have internal predecessors, (3328), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:10:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 3587 transitions. [2023-11-29 07:10:38,200 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 3587 transitions. Word has length 169 [2023-11-29 07:10:38,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:38,200 INFO L495 AbstractCegarLoop]: Abstraction has 2362 states and 3587 transitions. [2023-11-29 07:10:38,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:10:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 3587 transitions. [2023-11-29 07:10:38,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 07:10:38,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:38,203 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:10:38,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 07:10:38,203 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:10:38,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:38,203 INFO L85 PathProgramCache]: Analyzing trace with hash -391802058, now seen corresponding path program 1 times [2023-11-29 07:10:38,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:38,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015595928] [2023-11-29 07:10:38,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:38,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:10:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:10:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 07:10:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 07:10:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 07:10:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-29 07:10:38,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:38,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015595928] [2023-11-29 07:10:38,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015595928] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:38,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791383494] [2023-11-29 07:10:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:38,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:38,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:38,797 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:38,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 07:10:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:40,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 2346 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 07:10:40,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-11-29 07:10:40,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:10:40,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791383494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:10:40,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:10:40,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2023-11-29 07:10:40,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947780628] [2023-11-29 07:10:40,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:10:40,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:10:40,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:40,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:10:40,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:10:40,208 INFO L87 Difference]: Start difference. First operand 2362 states and 3587 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:10:41,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:10:41,566 INFO L93 Difference]: Finished difference Result 4690 states and 7139 transitions. [2023-11-29 07:10:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:10:41,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 169 [2023-11-29 07:10:41,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:10:41,571 INFO L225 Difference]: With dead ends: 4690 [2023-11-29 07:10:41,572 INFO L226 Difference]: Without dead ends: 2365 [2023-11-29 07:10:41,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-29 07:10:41,576 INFO L413 NwaCegarLoop]: 1671 mSDtfsCounter, 1 mSDsluCounter, 3338 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5009 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:10:41,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5009 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 07:10:41,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2023-11-29 07:10:41,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2363. [2023-11-29 07:10:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2363 states, 2194 states have (on average 1.5173199635369188) internal successors, (3329), 2201 states have internal predecessors, (3329), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:10:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3588 transitions. [2023-11-29 07:10:41,761 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 3588 transitions. Word has length 169 [2023-11-29 07:10:41,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:10:41,762 INFO L495 AbstractCegarLoop]: Abstraction has 2363 states and 3588 transitions. [2023-11-29 07:10:41,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:10:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3588 transitions. [2023-11-29 07:10:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 07:10:41,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:10:41,764 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:10:41,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-29 07:10:41,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:41,965 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:10:41,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:10:41,965 INFO L85 PathProgramCache]: Analyzing trace with hash -2057931638, now seen corresponding path program 1 times [2023-11-29 07:10:41,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:10:41,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742576244] [2023-11-29 07:10:41,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:41,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:10:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:10:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:10:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 07:10:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 07:10:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 07:10:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 07:10:42,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:10:42,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742576244] [2023-11-29 07:10:42,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742576244] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:10:42,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797774276] [2023-11-29 07:10:42,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:10:42,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:10:42,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:10:42,646 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:10:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 07:10:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:10:43,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 2361 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 07:10:44,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 07:10:44,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:10:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 07:10:44,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797774276] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:10:44,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:10:44,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2023-11-29 07:10:44,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524088144] [2023-11-29 07:10:44,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:10:44,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 07:10:44,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:10:44,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 07:10:44,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:10:44,244 INFO L87 Difference]: Start difference. First operand 2363 states and 3588 transitions. Second operand has 17 states, 17 states have (on average 10.647058823529411) internal successors, (181), 13 states have internal predecessors, (181), 1 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 07:10:55,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:08,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:11:08,055 INFO L93 Difference]: Finished difference Result 5188 states and 8233 transitions. [2023-11-29 07:11:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 07:11:08,056 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.647058823529411) internal successors, (181), 13 states have internal predecessors, (181), 1 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 170 [2023-11-29 07:11:08,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:11:08,068 INFO L225 Difference]: With dead ends: 5188 [2023-11-29 07:11:08,068 INFO L226 Difference]: Without dead ends: 4169 [2023-11-29 07:11:08,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-11-29 07:11:08,072 INFO L413 NwaCegarLoop]: 1550 mSDtfsCounter, 9076 mSDsluCounter, 14702 mSDsCounter, 0 mSdLazyCounter, 14826 mSolverCounterSat, 1307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9169 SdHoareTripleChecker+Valid, 16252 SdHoareTripleChecker+Invalid, 16133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1307 IncrementalHoareTripleChecker+Valid, 14826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2023-11-29 07:11:08,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9169 Valid, 16252 Invalid, 16133 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1307 Valid, 14826 Invalid, 0 Unknown, 0 Unchecked, 22.6s Time] [2023-11-29 07:11:08,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2023-11-29 07:11:08,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 2487. [2023-11-29 07:11:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2318 states have (on average 1.5267471958584986) internal successors, (3539), 2325 states have internal predecessors, (3539), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:11:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3798 transitions. [2023-11-29 07:11:08,284 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3798 transitions. Word has length 170 [2023-11-29 07:11:08,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:11:08,284 INFO L495 AbstractCegarLoop]: Abstraction has 2487 states and 3798 transitions. [2023-11-29 07:11:08,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.647058823529411) internal successors, (181), 13 states have internal predecessors, (181), 1 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 07:11:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3798 transitions. [2023-11-29 07:11:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-11-29 07:11:08,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:11:08,290 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:08,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 07:11:08,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:11:08,491 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:11:08,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:11:08,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1437272169, now seen corresponding path program 1 times [2023-11-29 07:11:08,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:11:08,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605890560] [2023-11-29 07:11:08,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:11:08,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:11:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:11:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:11:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 07:11:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 07:11:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:08,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 07:11:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 07:11:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:11:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:11:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:11:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:11:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 07:11:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 07:11:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 07:11:09,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:11:09,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605890560] [2023-11-29 07:11:09,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605890560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:11:09,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:11:09,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:11:09,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875338975] [2023-11-29 07:11:09,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:11:09,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:11:09,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:11:09,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:11:09,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:11:09,207 INFO L87 Difference]: Start difference. First operand 2487 states and 3798 transitions. Second operand has 10 states, 10 states have (on average 17.9) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:11:12,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:11:24,865 INFO L93 Difference]: Finished difference Result 4353 states and 6840 transitions. [2023-11-29 07:11:24,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 07:11:24,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.9) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 227 [2023-11-29 07:11:24,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:11:24,871 INFO L225 Difference]: With dead ends: 4353 [2023-11-29 07:11:24,871 INFO L226 Difference]: Without dead ends: 3595 [2023-11-29 07:11:24,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2023-11-29 07:11:24,874 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 7582 mSDsluCounter, 4434 mSDsCounter, 0 mSdLazyCounter, 7187 mSolverCounterSat, 1379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7583 SdHoareTripleChecker+Valid, 5059 SdHoareTripleChecker+Invalid, 8566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1379 IncrementalHoareTripleChecker+Valid, 7187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2023-11-29 07:11:24,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7583 Valid, 5059 Invalid, 8566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1379 Valid, 7187 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2023-11-29 07:11:24,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3595 states. [2023-11-29 07:11:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3595 to 2488. [2023-11-29 07:11:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2319 states have (on average 1.5265200517464423) internal successors, (3540), 2326 states have internal predecessors, (3540), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:11:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 3799 transitions. [2023-11-29 07:11:25,064 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 3799 transitions. Word has length 227 [2023-11-29 07:11:25,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:11:25,064 INFO L495 AbstractCegarLoop]: Abstraction has 2488 states and 3799 transitions. [2023-11-29 07:11:25,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.9) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:11:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3799 transitions. [2023-11-29 07:11:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-29 07:11:25,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:11:25,069 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:25,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 07:11:25,069 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:11:25,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:11:25,069 INFO L85 PathProgramCache]: Analyzing trace with hash 351125566, now seen corresponding path program 1 times [2023-11-29 07:11:25,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:11:25,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314082906] [2023-11-29 07:11:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:11:25,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:11:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:11:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:11:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 07:11:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 07:11:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 07:11:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 07:11:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:11:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:11:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:11:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:11:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 07:11:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 07:11:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 07:11:25,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:11:25,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314082906] [2023-11-29 07:11:25,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314082906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:11:25,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:11:25,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:11:25,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696343849] [2023-11-29 07:11:25,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:11:25,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:11:25,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:11:25,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:11:25,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:11:25,865 INFO L87 Difference]: Start difference. First operand 2488 states and 3799 transitions. Second operand has 10 states, 10 states have (on average 18.1) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (13), 8 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:11:30,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:11:45,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:11:45,805 INFO L93 Difference]: Finished difference Result 4312 states and 6931 transitions. [2023-11-29 07:11:45,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 07:11:45,805 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (13), 8 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 229 [2023-11-29 07:11:45,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:11:45,817 INFO L225 Difference]: With dead ends: 4312 [2023-11-29 07:11:45,817 INFO L226 Difference]: Without dead ends: 4310 [2023-11-29 07:11:45,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2023-11-29 07:11:45,820 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 8463 mSDsluCounter, 4447 mSDsCounter, 0 mSdLazyCounter, 9768 mSolverCounterSat, 1490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8463 SdHoareTripleChecker+Valid, 5073 SdHoareTripleChecker+Invalid, 11258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1490 IncrementalHoareTripleChecker+Valid, 9768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:11:45,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8463 Valid, 5073 Invalid, 11258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1490 Valid, 9768 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2023-11-29 07:11:45,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4310 states. [2023-11-29 07:11:46,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4310 to 2486. [2023-11-29 07:11:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 2318 states have (on average 1.5263157894736843) internal successors, (3538), 2324 states have internal predecessors, (3538), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:11:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3797 transitions. [2023-11-29 07:11:46,053 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3797 transitions. Word has length 229 [2023-11-29 07:11:46,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:11:46,053 INFO L495 AbstractCegarLoop]: Abstraction has 2486 states and 3797 transitions. [2023-11-29 07:11:46,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (13), 8 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:11:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3797 transitions. [2023-11-29 07:11:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 07:11:46,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:11:46,057 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:11:46,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 07:11:46,057 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:11:46,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:11:46,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1584895542, now seen corresponding path program 2 times [2023-11-29 07:11:46,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:11:46,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530573175] [2023-11-29 07:11:46,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:11:46,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:11:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:11:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:46,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:11:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:47,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 07:11:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 07:11:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 07:11:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 07:11:47,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:11:47,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530573175] [2023-11-29 07:11:47,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530573175] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:11:47,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604244403] [2023-11-29 07:11:47,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 07:11:47,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:11:47,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:11:47,085 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:11:47,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 07:11:48,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 07:11:48,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 07:11:48,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 07:11:48,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:11:48,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-29 07:11:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2023-11-29 07:11:48,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:11:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604244403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:11:48,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:11:48,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2023-11-29 07:11:48,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88691786] [2023-11-29 07:11:48,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:11:48,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:11:48,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:11:48,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:11:48,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2023-11-29 07:11:48,635 INFO L87 Difference]: Start difference. First operand 2486 states and 3797 transitions. Second operand has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:11:51,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:11:51,197 INFO L93 Difference]: Finished difference Result 4884 states and 7486 transitions. [2023-11-29 07:11:51,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:11:51,198 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 218 [2023-11-29 07:11:51,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:11:51,202 INFO L225 Difference]: With dead ends: 4884 [2023-11-29 07:11:51,202 INFO L226 Difference]: Without dead ends: 2492 [2023-11-29 07:11:51,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2023-11-29 07:11:51,206 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 25 mSDsluCounter, 6626 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 8289 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:11:51,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 8289 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 07:11:51,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2023-11-29 07:11:51,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2488. [2023-11-29 07:11:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2320 states have (on average 1.5262931034482758) internal successors, (3541), 2326 states have internal predecessors, (3541), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:11:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 3800 transitions. [2023-11-29 07:11:51,421 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 3800 transitions. Word has length 218 [2023-11-29 07:11:51,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:11:51,421 INFO L495 AbstractCegarLoop]: Abstraction has 2488 states and 3800 transitions. [2023-11-29 07:11:51,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:11:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3800 transitions. [2023-11-29 07:11:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 07:11:51,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:11:51,426 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:11:51,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 07:11:51,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:11:51,627 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:11:51,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:11:51,628 INFO L85 PathProgramCache]: Analyzing trace with hash -2101328515, now seen corresponding path program 1 times [2023-11-29 07:11:51,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:11:51,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326558992] [2023-11-29 07:11:51,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:11:51,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:11:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:11:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:11:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 07:11:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:11:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 07:11:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 07:11:52,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:11:52,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326558992] [2023-11-29 07:11:52,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326558992] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:11:52,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783207043] [2023-11-29 07:11:52,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:11:52,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:11:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:11:52,797 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:11:52,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 07:11:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:55,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 2446 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 07:11:55,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:11:55,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-29 07:11:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2023-11-29 07:11:56,112 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:11:56,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783207043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:11:56,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:11:56,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 21 [2023-11-29 07:11:56,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745769418] [2023-11-29 07:11:56,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:11:56,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:11:56,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:11:56,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:11:56,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-11-29 07:11:56,114 INFO L87 Difference]: Start difference. First operand 2488 states and 3800 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:11:58,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:11:58,388 INFO L93 Difference]: Finished difference Result 4886 states and 7488 transitions. [2023-11-29 07:11:58,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:11:58,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 219 [2023-11-29 07:11:58,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:11:58,392 INFO L225 Difference]: With dead ends: 4886 [2023-11-29 07:11:58,392 INFO L226 Difference]: Without dead ends: 2494 [2023-11-29 07:11:58,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2023-11-29 07:11:58,395 INFO L413 NwaCegarLoop]: 1664 mSDtfsCounter, 17 mSDsluCounter, 6623 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 8287 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 07:11:58,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 8287 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 07:11:58,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2023-11-29 07:11:58,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2488. [2023-11-29 07:11:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2320 states have (on average 1.5262931034482758) internal successors, (3541), 2326 states have internal predecessors, (3541), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:11:58,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 3800 transitions. [2023-11-29 07:11:58,588 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 3800 transitions. Word has length 219 [2023-11-29 07:11:58,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:11:58,588 INFO L495 AbstractCegarLoop]: Abstraction has 2488 states and 3800 transitions. [2023-11-29 07:11:58,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:11:58,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3800 transitions. [2023-11-29 07:11:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 07:11:58,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:11:58,593 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:11:58,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 07:11:58,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:11:58,794 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:11:58,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:11:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1484624561, now seen corresponding path program 1 times [2023-11-29 07:11:58,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:11:58,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387197973] [2023-11-29 07:11:58,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:11:58,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:11:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:59,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:11:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:11:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:59,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 07:11:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:11:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 07:11:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:11:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2023-11-29 07:11:59,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:11:59,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387197973] [2023-11-29 07:11:59,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387197973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:11:59,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:11:59,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 07:11:59,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126978176] [2023-11-29 07:11:59,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:11:59,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 07:11:59,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:11:59,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 07:11:59,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:11:59,294 INFO L87 Difference]: Start difference. First operand 2488 states and 3800 transitions. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:12:10,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:10,436 INFO L93 Difference]: Finished difference Result 5460 states and 8455 transitions. [2023-11-29 07:12:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:12:10,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 222 [2023-11-29 07:12:10,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:10,442 INFO L225 Difference]: With dead ends: 5460 [2023-11-29 07:12:10,442 INFO L226 Difference]: Without dead ends: 3046 [2023-11-29 07:12:10,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:12:10,444 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 4543 mSDsluCounter, 3437 mSDsCounter, 0 mSdLazyCounter, 5571 mSolverCounterSat, 860 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4543 SdHoareTripleChecker+Valid, 4064 SdHoareTripleChecker+Invalid, 6431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 860 IncrementalHoareTripleChecker+Valid, 5571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:10,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4543 Valid, 4064 Invalid, 6431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [860 Valid, 5571 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2023-11-29 07:12:10,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2023-11-29 07:12:10,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2490. [2023-11-29 07:12:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2490 states, 2322 states have (on average 1.5258397932816536) internal successors, (3543), 2328 states have internal predecessors, (3543), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:12:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 3802 transitions. [2023-11-29 07:12:10,648 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 3802 transitions. Word has length 222 [2023-11-29 07:12:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:10,648 INFO L495 AbstractCegarLoop]: Abstraction has 2490 states and 3802 transitions. [2023-11-29 07:12:10,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 07:12:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 3802 transitions. [2023-11-29 07:12:10,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 07:12:10,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:10,652 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:10,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 07:12:10,653 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:12:10,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:10,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1810721612, now seen corresponding path program 1 times [2023-11-29 07:12:10,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:12:10,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549456788] [2023-11-29 07:12:10,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:10,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:12:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:12:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:12:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:11,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 07:12:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:11,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 07:12:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:11,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 07:12:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 07:12:11,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:12:11,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549456788] [2023-11-29 07:12:11,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549456788] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:12:11,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872359713] [2023-11-29 07:12:11,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:11,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:12:11,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:12:11,725 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:12:11,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 07:12:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:15,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 2459 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:12:15,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:12:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2023-11-29 07:12:15,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:12:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2023-11-29 07:12:15,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872359713] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:12:15,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:12:15,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 23 [2023-11-29 07:12:15,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238589692] [2023-11-29 07:12:15,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:12:15,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 07:12:15,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:12:15,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 07:12:15,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-11-29 07:12:15,831 INFO L87 Difference]: Start difference. First operand 2490 states and 3802 transitions. Second operand has 23 states, 21 states have (on average 14.333333333333334) internal successors, (301), 19 states have internal predecessors, (301), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 07:12:21,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:42,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:42,044 INFO L93 Difference]: Finished difference Result 7251 states and 11477 transitions. [2023-11-29 07:12:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 07:12:42,045 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 14.333333333333334) internal successors, (301), 19 states have internal predecessors, (301), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 222 [2023-11-29 07:12:42,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:42,055 INFO L225 Difference]: With dead ends: 7251 [2023-11-29 07:12:42,056 INFO L226 Difference]: Without dead ends: 4798 [2023-11-29 07:12:42,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=208, Invalid=1124, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 07:12:42,060 INFO L413 NwaCegarLoop]: 2697 mSDtfsCounter, 7622 mSDsluCounter, 39752 mSDsCounter, 0 mSdLazyCounter, 18283 mSolverCounterSat, 1273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7777 SdHoareTripleChecker+Valid, 42449 SdHoareTripleChecker+Invalid, 19556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1273 IncrementalHoareTripleChecker+Valid, 18283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:42,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7777 Valid, 42449 Invalid, 19556 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1273 Valid, 18283 Invalid, 0 Unknown, 0 Unchecked, 24.5s Time] [2023-11-29 07:12:42,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4798 states. [2023-11-29 07:12:42,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4798 to 2648. [2023-11-29 07:12:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2648 states, 2480 states have (on average 1.5346774193548387) internal successors, (3806), 2486 states have internal predecessors, (3806), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:12:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 4065 transitions. [2023-11-29 07:12:42,302 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 4065 transitions. Word has length 222 [2023-11-29 07:12:42,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:42,302 INFO L495 AbstractCegarLoop]: Abstraction has 2648 states and 4065 transitions. [2023-11-29 07:12:42,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 14.333333333333334) internal successors, (301), 19 states have internal predecessors, (301), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 07:12:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 4065 transitions. [2023-11-29 07:12:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 07:12:42,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:42,306 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:12:42,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 07:12:42,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2023-11-29 07:12:42,507 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:12:42,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash 878725607, now seen corresponding path program 1 times [2023-11-29 07:12:42,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:12:42,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069390293] [2023-11-29 07:12:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:12:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:42,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:12:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:12:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:12:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:42,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:12:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:12:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-29 07:12:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:12:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:12:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:12:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:12:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-29 07:12:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 07:12:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-29 07:12:43,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:12:43,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069390293] [2023-11-29 07:12:43,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069390293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:12:43,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:12:43,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:12:43,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248320373] [2023-11-29 07:12:43,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:12:43,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:12:43,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:12:43,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:12:43,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:12:43,296 INFO L87 Difference]: Start difference. First operand 2648 states and 4065 transitions. Second operand has 10 states, 10 states have (on average 18.9) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:12:55,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:55,634 INFO L93 Difference]: Finished difference Result 4516 states and 7109 transitions. [2023-11-29 07:12:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:12:55,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.9) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 240 [2023-11-29 07:12:55,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:55,641 INFO L225 Difference]: With dead ends: 4516 [2023-11-29 07:12:55,641 INFO L226 Difference]: Without dead ends: 3740 [2023-11-29 07:12:55,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-11-29 07:12:55,643 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 8359 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 5756 mSolverCounterSat, 1765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8359 SdHoareTripleChecker+Valid, 4024 SdHoareTripleChecker+Invalid, 7521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1765 IncrementalHoareTripleChecker+Valid, 5756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:55,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8359 Valid, 4024 Invalid, 7521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1765 Valid, 5756 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-11-29 07:12:55,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2023-11-29 07:12:55,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 2649. [2023-11-29 07:12:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2649 states, 2481 states have (on average 1.5344619105199517) internal successors, (3807), 2487 states have internal predecessors, (3807), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:12:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 4066 transitions. [2023-11-29 07:12:55,838 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 4066 transitions. Word has length 240 [2023-11-29 07:12:55,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:55,838 INFO L495 AbstractCegarLoop]: Abstraction has 2649 states and 4066 transitions. [2023-11-29 07:12:55,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.9) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:12:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 4066 transitions. [2023-11-29 07:12:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 07:12:55,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:55,842 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:12:55,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 07:12:55,843 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:12:55,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:55,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1608333094, now seen corresponding path program 1 times [2023-11-29 07:12:55,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:12:55,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288374485] [2023-11-29 07:12:55,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:55,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:12:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:12:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:12:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:12:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:12:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:12:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:12:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:12:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:12:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:12:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:12:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 07:12:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-29 07:12:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-29 07:12:56,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:12:56,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288374485] [2023-11-29 07:12:56,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288374485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:12:56,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:12:56,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:12:56,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457935424] [2023-11-29 07:12:56,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:12:56,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:12:56,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:12:56,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:12:56,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:12:56,655 INFO L87 Difference]: Start difference. First operand 2649 states and 4066 transitions. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:13:10,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:13:10,086 INFO L93 Difference]: Finished difference Result 4517 states and 7110 transitions. [2023-11-29 07:13:10,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:13:10,087 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 241 [2023-11-29 07:13:10,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:13:10,094 INFO L225 Difference]: With dead ends: 4517 [2023-11-29 07:13:10,094 INFO L226 Difference]: Without dead ends: 3741 [2023-11-29 07:13:10,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-11-29 07:13:10,096 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 7672 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 5999 mSolverCounterSat, 1620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7672 SdHoareTripleChecker+Valid, 4030 SdHoareTripleChecker+Invalid, 7619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1620 IncrementalHoareTripleChecker+Valid, 5999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:13:10,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7672 Valid, 4030 Invalid, 7619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1620 Valid, 5999 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2023-11-29 07:13:10,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3741 states. [2023-11-29 07:13:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3741 to 2649. [2023-11-29 07:13:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2649 states, 2481 states have (on average 1.5344619105199517) internal successors, (3807), 2487 states have internal predecessors, (3807), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:13:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 4066 transitions. [2023-11-29 07:13:10,296 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 4066 transitions. Word has length 241 [2023-11-29 07:13:10,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:13:10,297 INFO L495 AbstractCegarLoop]: Abstraction has 2649 states and 4066 transitions. [2023-11-29 07:13:10,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:13:10,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 4066 transitions. [2023-11-29 07:13:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-29 07:13:10,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:13:10,301 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:10,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 07:13:10,301 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:13:10,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:13:10,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1368093348, now seen corresponding path program 1 times [2023-11-29 07:13:10,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:13:10,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229915073] [2023-11-29 07:13:10,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:13:10,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:13:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:13:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:13:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:13:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:13:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:13:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 07:13:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:13:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:13:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:13:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:11,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:13:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 07:13:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-29 07:13:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-29 07:13:11,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:13:11,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229915073] [2023-11-29 07:13:11,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229915073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:13:11,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:13:11,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:13:11,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372201317] [2023-11-29 07:13:11,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:13:11,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:13:11,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:13:11,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:13:11,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:13:11,160 INFO L87 Difference]: Start difference. First operand 2649 states and 4066 transitions. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:13:15,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:13:27,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:13:27,449 INFO L93 Difference]: Finished difference Result 4506 states and 7095 transitions. [2023-11-29 07:13:27,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:13:27,450 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 241 [2023-11-29 07:13:27,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:13:27,457 INFO L225 Difference]: With dead ends: 4506 [2023-11-29 07:13:27,457 INFO L226 Difference]: Without dead ends: 3741 [2023-11-29 07:13:27,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-11-29 07:13:27,459 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 7315 mSDsluCounter, 4434 mSDsCounter, 0 mSdLazyCounter, 7186 mSolverCounterSat, 1330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7315 SdHoareTripleChecker+Valid, 5059 SdHoareTripleChecker+Invalid, 8516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 7186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:13:27,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7315 Valid, 5059 Invalid, 8516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1330 Valid, 7186 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2023-11-29 07:13:27,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3741 states. [2023-11-29 07:13:27,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3741 to 2650. [2023-11-29 07:13:27,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2482 states have (on average 1.5342465753424657) internal successors, (3808), 2488 states have internal predecessors, (3808), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:13:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 4067 transitions. [2023-11-29 07:13:27,690 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 4067 transitions. Word has length 241 [2023-11-29 07:13:27,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:13:27,690 INFO L495 AbstractCegarLoop]: Abstraction has 2650 states and 4067 transitions. [2023-11-29 07:13:27,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:13:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 4067 transitions. [2023-11-29 07:13:27,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-29 07:13:27,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:13:27,694 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:27,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 07:13:27,694 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:13:27,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:13:27,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1134504967, now seen corresponding path program 1 times [2023-11-29 07:13:27,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:13:27,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665068715] [2023-11-29 07:13:27,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:13:27,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:13:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:13:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:13:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:13:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:13:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:13:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 07:13:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:13:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:13:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:13:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:13:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-29 07:13:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-29 07:13:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-29 07:13:28,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:13:28,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665068715] [2023-11-29 07:13:28,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665068715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:13:28,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:13:28,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:13:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347650217] [2023-11-29 07:13:28,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:13:28,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:13:28,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:13:28,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:13:28,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:13:28,485 INFO L87 Difference]: Start difference. First operand 2650 states and 4067 transitions. Second operand has 10 states, 10 states have (on average 19.1) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:13:43,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:13:43,926 INFO L93 Difference]: Finished difference Result 4499 states and 7085 transitions. [2023-11-29 07:13:43,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:13:43,926 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.1) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 242 [2023-11-29 07:13:43,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:13:43,933 INFO L225 Difference]: With dead ends: 4499 [2023-11-29 07:13:43,933 INFO L226 Difference]: Without dead ends: 3742 [2023-11-29 07:13:43,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-11-29 07:13:43,935 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 7211 mSDsluCounter, 3915 mSDsCounter, 0 mSdLazyCounter, 6950 mSolverCounterSat, 1259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7211 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 8209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1259 IncrementalHoareTripleChecker+Valid, 6950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:13:43,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7211 Valid, 4540 Invalid, 8209 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1259 Valid, 6950 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2023-11-29 07:13:43,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2023-11-29 07:13:44,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 2651. [2023-11-29 07:13:44,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2483 states have (on average 1.5340314136125655) internal successors, (3809), 2489 states have internal predecessors, (3809), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:13:44,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 4068 transitions. [2023-11-29 07:13:44,176 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 4068 transitions. Word has length 242 [2023-11-29 07:13:44,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:13:44,177 INFO L495 AbstractCegarLoop]: Abstraction has 2651 states and 4068 transitions. [2023-11-29 07:13:44,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.1) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:13:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 4068 transitions. [2023-11-29 07:13:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-29 07:13:44,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:13:44,180 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:44,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 07:13:44,180 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:13:44,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:13:44,181 INFO L85 PathProgramCache]: Analyzing trace with hash 489402703, now seen corresponding path program 1 times [2023-11-29 07:13:44,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:13:44,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574952133] [2023-11-29 07:13:44,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:13:44,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:13:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:13:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:13:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:13:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:13:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:13:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 07:13:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:13:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:13:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:13:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:13:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-29 07:13:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-29 07:13:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-29 07:13:44,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:13:44,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574952133] [2023-11-29 07:13:44,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574952133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:13:44,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:13:44,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:13:44,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691064221] [2023-11-29 07:13:44,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:13:44,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:13:44,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:13:44,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:13:44,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:13:44,979 INFO L87 Difference]: Start difference. First operand 2651 states and 4068 transitions. Second operand has 10 states, 10 states have (on average 19.2) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:13:58,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:13:58,346 INFO L93 Difference]: Finished difference Result 4501 states and 7087 transitions. [2023-11-29 07:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:13:58,347 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 243 [2023-11-29 07:13:58,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:13:58,353 INFO L225 Difference]: With dead ends: 4501 [2023-11-29 07:13:58,353 INFO L226 Difference]: Without dead ends: 3743 [2023-11-29 07:13:58,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-11-29 07:13:58,355 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 8118 mSDsluCounter, 3925 mSDsCounter, 0 mSdLazyCounter, 6066 mSolverCounterSat, 1627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8118 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 7693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1627 IncrementalHoareTripleChecker+Valid, 6066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:13:58,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8118 Valid, 4551 Invalid, 7693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1627 Valid, 6066 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2023-11-29 07:13:58,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2023-11-29 07:13:58,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 2651. [2023-11-29 07:13:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2483 states have (on average 1.5340314136125655) internal successors, (3809), 2489 states have internal predecessors, (3809), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:13:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 4068 transitions. [2023-11-29 07:13:58,565 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 4068 transitions. Word has length 243 [2023-11-29 07:13:58,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:13:58,566 INFO L495 AbstractCegarLoop]: Abstraction has 2651 states and 4068 transitions. [2023-11-29 07:13:58,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (13), 9 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:13:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 4068 transitions. [2023-11-29 07:13:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-29 07:13:58,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:13:58,570 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:58,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 07:13:58,571 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:13:58,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:13:58,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1443342861, now seen corresponding path program 1 times [2023-11-29 07:13:58,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:13:58,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579823232] [2023-11-29 07:13:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:13:58,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:13:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:13:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:13:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:13:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:13:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:13:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 07:13:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:13:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:13:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:13:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:13:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-29 07:13:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-29 07:13:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:13:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-29 07:13:59,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:13:59,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579823232] [2023-11-29 07:13:59,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579823232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:13:59,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:13:59,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 07:13:59,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636448934] [2023-11-29 07:13:59,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:13:59,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 07:13:59,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:13:59,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 07:13:59,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:13:59,669 INFO L87 Difference]: Start difference. First operand 2651 states and 4068 transitions. Second operand has 10 states, 10 states have (on average 19.2) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (13), 9 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:14:02,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:14:03,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:14:14,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:14:14,583 INFO L93 Difference]: Finished difference Result 4501 states and 7096 transitions. [2023-11-29 07:14:14,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 07:14:14,584 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (13), 9 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 243 [2023-11-29 07:14:14,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:14:14,590 INFO L225 Difference]: With dead ends: 4501 [2023-11-29 07:14:14,590 INFO L226 Difference]: Without dead ends: 3743 [2023-11-29 07:14:14,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2023-11-29 07:14:14,593 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 8159 mSDsluCounter, 3409 mSDsCounter, 0 mSdLazyCounter, 5743 mSolverCounterSat, 1616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8159 SdHoareTripleChecker+Valid, 4035 SdHoareTripleChecker+Invalid, 7359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1616 IncrementalHoareTripleChecker+Valid, 5743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-11-29 07:14:14,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8159 Valid, 4035 Invalid, 7359 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1616 Valid, 5743 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2023-11-29 07:14:14,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2023-11-29 07:14:14,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 2652. [2023-11-29 07:14:14,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 2484 states have (on average 1.5338164251207729) internal successors, (3810), 2490 states have internal predecessors, (3810), 130 states have call successors, (130), 35 states have call predecessors, (130), 36 states have return successors, (129), 128 states have call predecessors, (129), 128 states have call successors, (129) [2023-11-29 07:14:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 4069 transitions. [2023-11-29 07:14:14,830 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 4069 transitions. Word has length 243 [2023-11-29 07:14:14,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:14:14,830 INFO L495 AbstractCegarLoop]: Abstraction has 2652 states and 4069 transitions. [2023-11-29 07:14:14,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (13), 9 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:14:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 4069 transitions. [2023-11-29 07:14:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-29 07:14:14,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:14:14,834 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:14,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 07:14:14,834 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:14:14,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:14:14,835 INFO L85 PathProgramCache]: Analyzing trace with hash -2027728394, now seen corresponding path program 1 times [2023-11-29 07:14:14,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:14:14,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49233657] [2023-11-29 07:14:14,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:14:14,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:14:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:14:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:14:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:14:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:14:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:14:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 07:14:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:14:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:14:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:14:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:14:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 07:14:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 07:14:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-29 07:14:15,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:14:15,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49233657] [2023-11-29 07:14:15,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49233657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:14:15,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:14:15,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 07:14:15,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166709240] [2023-11-29 07:14:15,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:14:15,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 07:14:15,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:14:15,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 07:14:15,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:14:15,862 INFO L87 Difference]: Start difference. First operand 2652 states and 4069 transitions. Second operand has 13 states, 13 states have (on average 14.846153846153847) internal successors, (193), 6 states have internal predecessors, (193), 4 states have call successors, (13), 9 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 07:14:34,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:14:34,545 INFO L93 Difference]: Finished difference Result 4546 states and 7168 transitions. [2023-11-29 07:14:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 07:14:34,546 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 14.846153846153847) internal successors, (193), 6 states have internal predecessors, (193), 4 states have call successors, (13), 9 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 244 [2023-11-29 07:14:34,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:14:34,554 INFO L225 Difference]: With dead ends: 4546 [2023-11-29 07:14:34,554 INFO L226 Difference]: Without dead ends: 3810 [2023-11-29 07:14:34,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2023-11-29 07:14:34,557 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 8148 mSDsluCounter, 5971 mSDsCounter, 0 mSdLazyCounter, 9812 mSolverCounterSat, 1688 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8163 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 11500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1688 IncrementalHoareTripleChecker+Valid, 9812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:14:34,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8163 Valid, 6628 Invalid, 11500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1688 Valid, 9812 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2023-11-29 07:14:34,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2023-11-29 07:14:34,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 2702. [2023-11-29 07:14:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 2530 states have (on average 1.53399209486166) internal successors, (3881), 2538 states have internal predecessors, (3881), 133 states have call successors, (133), 35 states have call predecessors, (133), 37 states have return successors, (135), 130 states have call predecessors, (135), 131 states have call successors, (135) [2023-11-29 07:14:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 4149 transitions. [2023-11-29 07:14:34,821 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 4149 transitions. Word has length 244 [2023-11-29 07:14:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:14:34,822 INFO L495 AbstractCegarLoop]: Abstraction has 2702 states and 4149 transitions. [2023-11-29 07:14:34,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.846153846153847) internal successors, (193), 6 states have internal predecessors, (193), 4 states have call successors, (13), 9 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 07:14:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 4149 transitions. [2023-11-29 07:14:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-29 07:14:34,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:14:34,826 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:14:34,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 07:14:34,826 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:14:34,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:14:34,826 INFO L85 PathProgramCache]: Analyzing trace with hash -327566614, now seen corresponding path program 2 times [2023-11-29 07:14:34,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:14:34,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317596563] [2023-11-29 07:14:34,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:14:34,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:14:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:14:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:14:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:14:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:14:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:14:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-29 07:14:35,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:14:35,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317596563] [2023-11-29 07:14:35,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317596563] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:14:35,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304176684] [2023-11-29 07:14:35,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 07:14:35,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:14:35,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:14:35,908 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:14:35,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 07:14:38,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 07:14:38,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 07:14:38,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 07:14:38,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:14:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-29 07:14:38,926 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:14:38,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304176684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:14:38,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:14:38,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 24 [2023-11-29 07:14:38,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264489521] [2023-11-29 07:14:38,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:14:38,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 07:14:38,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:14:38,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 07:14:38,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2023-11-29 07:14:38,929 INFO L87 Difference]: Start difference. First operand 2702 states and 4149 transitions. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 7 states have internal predecessors, (119), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:14:42,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:14:42,051 INFO L93 Difference]: Finished difference Result 5479 states and 8408 transitions. [2023-11-29 07:14:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:14:42,051 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 7 states have internal predecessors, (119), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 233 [2023-11-29 07:14:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:14:42,056 INFO L225 Difference]: With dead ends: 5479 [2023-11-29 07:14:42,056 INFO L226 Difference]: Without dead ends: 2930 [2023-11-29 07:14:42,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2023-11-29 07:14:42,059 INFO L413 NwaCegarLoop]: 1675 mSDtfsCounter, 2233 mSDsluCounter, 5778 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 7453 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 07:14:42,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2233 Valid, 7453 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 07:14:42,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2023-11-29 07:14:42,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2720. [2023-11-29 07:14:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 2548 states have (on average 1.531004709576138) internal successors, (3901), 2556 states have internal predecessors, (3901), 133 states have call successors, (133), 35 states have call predecessors, (133), 37 states have return successors, (135), 130 states have call predecessors, (135), 131 states have call successors, (135) [2023-11-29 07:14:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 4169 transitions. [2023-11-29 07:14:42,313 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 4169 transitions. Word has length 233 [2023-11-29 07:14:42,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:14:42,313 INFO L495 AbstractCegarLoop]: Abstraction has 2720 states and 4169 transitions. [2023-11-29 07:14:42,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 7 states have internal predecessors, (119), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:14:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 4169 transitions. [2023-11-29 07:14:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-29 07:14:42,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:14:42,316 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:14:42,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 07:14:42,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2023-11-29 07:14:42,517 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:14:42,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:14:42,517 INFO L85 PathProgramCache]: Analyzing trace with hash 10720936, now seen corresponding path program 1 times [2023-11-29 07:14:42,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:14:42,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530926079] [2023-11-29 07:14:42,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:14:42,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:14:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:43,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:14:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:14:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:14:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:14:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:14:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-29 07:14:43,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:14:43,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530926079] [2023-11-29 07:14:43,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530926079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:14:43,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:14:43,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 07:14:43,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291486612] [2023-11-29 07:14:43,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:14:43,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 07:14:43,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:14:43,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 07:14:43,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:14:43,603 INFO L87 Difference]: Start difference. First operand 2720 states and 4169 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 7 states have internal predecessors, (119), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:14:58,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:14:58,510 INFO L93 Difference]: Finished difference Result 5513 states and 8655 transitions. [2023-11-29 07:14:58,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 07:14:58,511 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 7 states have internal predecessors, (119), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 233 [2023-11-29 07:14:58,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:14:58,515 INFO L225 Difference]: With dead ends: 5513 [2023-11-29 07:14:58,515 INFO L226 Difference]: Without dead ends: 3110 [2023-11-29 07:14:58,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2023-11-29 07:14:58,517 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 7126 mSDsluCounter, 4048 mSDsCounter, 0 mSdLazyCounter, 8471 mSolverCounterSat, 1060 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7147 SdHoareTripleChecker+Valid, 4641 SdHoareTripleChecker+Invalid, 9531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1060 IncrementalHoareTripleChecker+Valid, 8471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:14:58,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7147 Valid, 4641 Invalid, 9531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1060 Valid, 8471 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2023-11-29 07:14:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2023-11-29 07:14:58,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2556. [2023-11-29 07:14:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 2396 states have (on average 1.5496661101836393) internal successors, (3713), 2404 states have internal predecessors, (3713), 121 states have call successors, (121), 35 states have call predecessors, (121), 37 states have return successors, (123), 118 states have call predecessors, (123), 119 states have call successors, (123) [2023-11-29 07:14:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3957 transitions. [2023-11-29 07:14:58,749 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3957 transitions. Word has length 233 [2023-11-29 07:14:58,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:14:58,749 INFO L495 AbstractCegarLoop]: Abstraction has 2556 states and 3957 transitions. [2023-11-29 07:14:58,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 7 states have internal predecessors, (119), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 07:14:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3957 transitions. [2023-11-29 07:14:58,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 07:14:58,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:14:58,752 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:14:58,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 07:14:58,753 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:14:58,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:14:58,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1602456476, now seen corresponding path program 1 times [2023-11-29 07:14:58,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:14:58,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557756047] [2023-11-29 07:14:58,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:14:58,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:14:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:14:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:14:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:14:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:59,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:14:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 07:14:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:14:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-29 07:14:59,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:14:59,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557756047] [2023-11-29 07:14:59,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557756047] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:14:59,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421612123] [2023-11-29 07:14:59,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:14:59,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:14:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:14:59,300 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:14:59,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 07:15:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:15:01,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 07:15:01,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:15:01,158 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-29 07:15:01,158 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:15:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-29 07:15:01,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421612123] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:15:01,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:15:01,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-11-29 07:15:01,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607409697] [2023-11-29 07:15:01,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:15:01,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 07:15:01,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:15:01,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 07:15:01,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:15:01,245 INFO L87 Difference]: Start difference. First operand 2556 states and 3957 transitions. Second operand has 11 states, 11 states have (on average 16.09090909090909) internal successors, (177), 7 states have internal predecessors, (177), 6 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-29 07:15:10,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:15:10,282 INFO L93 Difference]: Finished difference Result 6400 states and 9938 transitions. [2023-11-29 07:15:10,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 07:15:10,283 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.09090909090909) internal successors, (177), 7 states have internal predecessors, (177), 6 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 240 [2023-11-29 07:15:10,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:15:10,289 INFO L225 Difference]: With dead ends: 6400 [2023-11-29 07:15:10,289 INFO L226 Difference]: Without dead ends: 4015 [2023-11-29 07:15:10,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:15:10,291 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 5151 mSDsluCounter, 3429 mSDsCounter, 0 mSdLazyCounter, 4572 mSolverCounterSat, 908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5165 SdHoareTripleChecker+Valid, 4155 SdHoareTripleChecker+Invalid, 5480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 908 IncrementalHoareTripleChecker+Valid, 4572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:15:10,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5165 Valid, 4155 Invalid, 5480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [908 Valid, 4572 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-11-29 07:15:10,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4015 states. [2023-11-29 07:15:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4015 to 3122. [2023-11-29 07:15:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3122 states, 2926 states have (on average 1.4958988380041012) internal successors, (4377), 2934 states have internal predecessors, (4377), 157 states have call successors, (157), 35 states have call predecessors, (157), 37 states have return successors, (159), 154 states have call predecessors, (159), 155 states have call successors, (159) [2023-11-29 07:15:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 3122 states and 4693 transitions. [2023-11-29 07:15:10,607 INFO L78 Accepts]: Start accepts. Automaton has 3122 states and 4693 transitions. Word has length 240 [2023-11-29 07:15:10,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:15:10,607 INFO L495 AbstractCegarLoop]: Abstraction has 3122 states and 4693 transitions. [2023-11-29 07:15:10,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.09090909090909) internal successors, (177), 7 states have internal predecessors, (177), 6 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-29 07:15:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 4693 transitions. [2023-11-29 07:15:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-29 07:15:10,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:15:10,611 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:15:10,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 07:15:10,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2023-11-29 07:15:10,812 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr0ASSERT_VIOLATIONERROR_FUNCTION, sort_and_display_filesErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 07:15:10,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:15:10,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1734189038, now seen corresponding path program 1 times [2023-11-29 07:15:10,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:15:10,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259071611] [2023-11-29 07:15:10,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:15:10,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:15:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:15:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:15:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:15:11,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 07:15:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:15:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:15:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:15:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:15:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:15:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 07:15:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:15:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-29 07:15:11,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:15:11,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259071611] [2023-11-29 07:15:11,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259071611] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:15:11,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062344097] [2023-11-29 07:15:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:15:11,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:15:11,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:15:11,907 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:15:11,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0d2dd8a-4e46-4393-96b8-cb9f091d9892/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 07:15:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:15:13,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 07:15:13,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:15:13,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-29 07:15:13,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 07:15:13,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-11-29 07:15:14,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-29 07:15:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-29 07:15:14,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:15:18,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 218 [2023-11-29 07:15:19,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-11-29 07:15:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-29 07:15:19,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062344097] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:15:19,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:15:19,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 9] total 33 [2023-11-29 07:15:19,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524116072] [2023-11-29 07:15:19,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:15:19,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-29 07:15:19,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:15:19,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-29 07:15:19,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=953, Unknown=1, NotChecked=0, Total=1056 [2023-11-29 07:15:19,149 INFO L87 Difference]: Start difference. First operand 3122 states and 4693 transitions. Second operand has 33 states, 33 states have (on average 10.06060606060606) internal successors, (332), 29 states have internal predecessors, (332), 5 states have call successors, (11), 6 states have call predecessors, (11), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-29 07:15:23,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:15:27,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:15:31,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:15:35,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:15:39,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:15:43,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:15:48,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:15:52,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:15:56,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:00,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:04,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-29 07:16:08,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:12,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:17,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:21,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:25,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:29,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:33,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:37,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:41,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-29 07:16:45,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:49,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:53,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:16:57,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:02,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:07,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:11,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:15,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-29 07:17:19,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:23,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:27,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:32,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:36,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:40,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-29 07:17:44,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:48,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:52,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:17:56,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:18:00,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:18:04,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:18:08,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:18:12,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]