./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/od-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/od-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu --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 8a997af929127373cb395687e4393c920ac8d64592c7d6de23ea302f85930f8b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:52,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:52,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:41:52,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:52,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:52,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:52,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:52,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:52,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:41:52,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:41:52,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:52,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:52,919 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:52,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:52,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:41:52,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:41:52,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:52,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:41:52,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:41:52,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:41:52,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:52,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:52,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:52,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:52,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:41:52,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:52,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:52,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:41:52,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:41:52,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:41:52,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:41:52,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:41:52,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:41:52,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:41:52,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:41:52,931 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:41:52,932 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a997af929127373cb395687e4393c920ac8d64592c7d6de23ea302f85930f8b [2023-11-19 07:41:53,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:53,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:53,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:53,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:53,319 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:53,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/od-3.i [2023-11-19 07:41:56,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:56,954 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:56,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i [2023-11-19 07:41:57,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/data/efb25da2b/121cb98afc8f4291adb28dfc6c668863/FLAG2444af720 [2023-11-19 07:41:57,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/data/efb25da2b/121cb98afc8f4291adb28dfc6c668863 [2023-11-19 07:41:57,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:57,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:57,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:57,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:57,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:57,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:57" (1/1) ... [2023-11-19 07:41:57,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b9b93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:57, skipping insertion in model container [2023-11-19 07:41:57,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:57" (1/1) ... [2023-11-19 07:41:57,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:59,497 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[114227,114240] [2023-11-19 07:41:59,509 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[114487,114500] [2023-11-19 07:41:59,517 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[114895,114908] [2023-11-19 07:41:59,531 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[116772,116785] [2023-11-19 07:41:59,544 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[117264,117277] [2023-11-19 07:41:59,547 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[117341,117354] [2023-11-19 07:41:59,549 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[117736,117749] [2023-11-19 07:41:59,554 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[118186,118199] [2023-11-19 07:41:59,558 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[118267,118280] [2023-11-19 07:41:59,559 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[118527,118540] [2023-11-19 07:41:59,581 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[121587,121600] [2023-11-19 07:41:59,584 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[122034,122047] [2023-11-19 07:41:59,585 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[122110,122123] [2023-11-19 07:41:59,587 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[122426,122439] [2023-11-19 07:41:59,602 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[124901,124914] [2023-11-19 07:41:59,610 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[124990,125003] [2023-11-19 07:41:59,611 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125257,125270] [2023-11-19 07:41:59,612 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125352,125365] [2023-11-19 07:41:59,613 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125447,125460] [2023-11-19 07:41:59,614 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125536,125549] [2023-11-19 07:41:59,616 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125891,125904] [2023-11-19 07:41:59,619 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125980,125993] [2023-11-19 07:41:59,620 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126273,126286] [2023-11-19 07:41:59,621 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126368,126381] [2023-11-19 07:41:59,623 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126463,126476] [2023-11-19 07:41:59,624 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126552,126565] [2023-11-19 07:41:59,627 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126942,126955] [2023-11-19 07:41:59,633 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127174,127187] [2023-11-19 07:41:59,634 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127255,127268] [2023-11-19 07:41:59,637 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127465,127478] [2023-11-19 07:41:59,638 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127552,127565] [2023-11-19 07:41:59,639 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127639,127652] [2023-11-19 07:41:59,641 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127720,127733] [2023-11-19 07:41:59,654 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[128021,128034] [2023-11-19 07:41:59,668 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[130709,130722] [2023-11-19 07:41:59,691 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[134493,134506] [2023-11-19 07:41:59,703 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[134836,134849] [2023-11-19 07:41:59,704 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[134947,134960] [2023-11-19 07:41:59,774 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[148238,148251] [2023-11-19 07:41:59,798 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[152230,152243] [2023-11-19 07:41:59,799 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[152311,152324] [2023-11-19 07:41:59,834 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[158214,158227] [2023-11-19 07:41:59,840 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[158670,158683] [2023-11-19 07:41:59,888 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[166756,166769] [2023-11-19 07:41:59,894 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[166864,166877] [2023-11-19 07:41:59,900 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[169028,169041] [2023-11-19 07:41:59,902 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[169232,169245] [2023-11-19 07:41:59,926 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[174697,174710] [2023-11-19 07:41:59,928 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[175026,175039] [2023-11-19 07:41:59,932 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[175374,175387] [2023-11-19 07:41:59,933 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[175501,175514] [2023-11-19 07:41:59,934 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[175749,175762] [2023-11-19 07:42:00,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:00,089 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:00,236 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[114227,114240] [2023-11-19 07:42:00,238 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[114487,114500] [2023-11-19 07:42:00,239 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[114895,114908] [2023-11-19 07:42:00,247 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[116772,116785] [2023-11-19 07:42:00,249 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[117264,117277] [2023-11-19 07:42:00,256 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[117341,117354] [2023-11-19 07:42:00,257 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[117736,117749] [2023-11-19 07:42:00,260 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[118186,118199] [2023-11-19 07:42:00,261 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[118267,118280] [2023-11-19 07:42:00,263 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[118527,118540] [2023-11-19 07:42:00,271 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[121587,121600] [2023-11-19 07:42:00,273 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[122034,122047] [2023-11-19 07:42:00,274 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[122110,122123] [2023-11-19 07:42:00,275 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[122426,122439] [2023-11-19 07:42:00,283 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[124901,124914] [2023-11-19 07:42:00,284 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[124990,125003] [2023-11-19 07:42:00,286 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125257,125270] [2023-11-19 07:42:00,287 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125352,125365] [2023-11-19 07:42:00,289 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125447,125460] [2023-11-19 07:42:00,289 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125536,125549] [2023-11-19 07:42:00,291 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125891,125904] [2023-11-19 07:42:00,291 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[125980,125993] [2023-11-19 07:42:00,292 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126273,126286] [2023-11-19 07:42:00,295 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126368,126381] [2023-11-19 07:42:00,297 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126463,126476] [2023-11-19 07:42:00,298 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126552,126565] [2023-11-19 07:42:00,299 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[126942,126955] [2023-11-19 07:42:00,300 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127174,127187] [2023-11-19 07:42:00,301 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127255,127268] [2023-11-19 07:42:00,302 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127465,127478] [2023-11-19 07:42:00,303 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127552,127565] [2023-11-19 07:42:00,303 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127639,127652] [2023-11-19 07:42:00,305 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[127720,127733] [2023-11-19 07:42:00,311 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[128021,128034] [2023-11-19 07:42:00,322 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[130709,130722] [2023-11-19 07:42:00,337 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[134493,134506] [2023-11-19 07:42:00,339 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[134836,134849] [2023-11-19 07:42:00,340 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[134947,134960] [2023-11-19 07:42:00,384 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[148238,148251] [2023-11-19 07:42:00,407 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[152230,152243] [2023-11-19 07:42:00,410 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[152311,152324] [2023-11-19 07:42:00,422 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[158214,158227] [2023-11-19 07:42:00,426 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[158670,158683] [2023-11-19 07:42:00,452 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[166756,166769] [2023-11-19 07:42:00,454 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[166864,166877] [2023-11-19 07:42:00,458 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[169028,169041] [2023-11-19 07:42:00,459 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[169232,169245] [2023-11-19 07:42:00,472 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[174697,174710] [2023-11-19 07:42:00,474 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[175026,175039] [2023-11-19 07:42:00,476 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[175374,175387] [2023-11-19 07:42:00,477 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[175501,175514] [2023-11-19 07:42:00,478 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_b3847fb2-112a-44dc-8a43-79a3a8948fc6/sv-benchmarks/c/busybox-1.22.0/od-3.i[175749,175762] [2023-11-19 07:42:00,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:00,827 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,827 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,827 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,827 WARN L675 CHandler]: The function format_address is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,827 WARN L675 CHandler]: The function fseek is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,828 WARN L675 CHandler]: The function fread is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,828 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,828 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,828 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,828 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,828 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,828 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,829 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,829 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,829 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,829 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:00,839 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:00,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00 WrapperNode [2023-11-19 07:42:00,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:00,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:00,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:00,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:00,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:00,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,184 INFO L138 Inliner]: procedures = 692, calls = 1641, calls flagged for inlining = 56, calls inlined = 54, statements flattened = 4508 [2023-11-19 07:42:01,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:01,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:01,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:01,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:01,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:01,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:01,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:01,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:01,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2023-11-19 07:42:01,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:01,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:01,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:01,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 07:42:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 07:42:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure open_next_file [2023-11-19 07:42:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure open_next_file [2023-11-19 07:42:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-19 07:42:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-19 07:42:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-19 07:42:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-19 07:42:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:42:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-19 07:42:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-19 07:42:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 07:42:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure bb_strtou [2023-11-19 07:42:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_strtou [2023-11-19 07:42:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2023-11-19 07:42:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-19 07:42:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2023-11-19 07:42:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2023-11-19 07:42:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:42:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-19 07:42:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-19 07:42:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-19 07:42:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:42:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2023-11-19 07:42:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2023-11-19 07:42:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:42:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:42:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 07:42:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure format_address_std [2023-11-19 07:42:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure format_address_std [2023-11-19 07:42:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 07:42:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure check_and_close [2023-11-19 07:42:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure check_and_close [2023-11-19 07:42:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:42:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2023-11-19 07:42:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2023-11-19 07:42:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:42:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:42:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-11-19 07:42:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-19 07:42:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-19 07:42:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:42:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:42:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure decode_format_string [2023-11-19 07:42:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_format_string [2023-11-19 07:42:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 07:42:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:42:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:42:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2023-11-19 07:42:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fstat [2023-11-19 07:42:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:42:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:42:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure parse_old_offset [2023-11-19 07:42:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_old_offset [2023-11-19 07:42:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:42:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-19 07:42:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:42:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-19 07:42:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure get_lcm [2023-11-19 07:42:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lcm [2023-11-19 07:42:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2023-11-19 07:42:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2023-11-19 07:42:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-11-19 07:42:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 07:42:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:42:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_sfx [2023-11-19 07:42:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_sfx [2023-11-19 07:42:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-19 07:42:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure format_address_paren [2023-11-19 07:42:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure format_address_paren [2023-11-19 07:42:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtou_range_sfx [2023-11-19 07:42:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtou_range_sfx [2023-11-19 07:42:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure write_block [2023-11-19 07:42:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure write_block [2023-11-19 07:42:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2023-11-19 07:42:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 07:42:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 07:42:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 07:42:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure xasprintf [2023-11-19 07:42:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xasprintf [2023-11-19 07:42:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2023-11-19 07:42:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2023-11-19 07:42:02,314 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:02,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:08,147 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:08,174 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:08,175 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 07:42:08,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:08 BoogieIcfgContainer [2023-11-19 07:42:08,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:08,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:08,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:08,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:08,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:57" (1/3) ... [2023-11-19 07:42:08,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1618e99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:08, skipping insertion in model container [2023-11-19 07:42:08,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (2/3) ... [2023-11-19 07:42:08,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1618e99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:08, skipping insertion in model container [2023-11-19 07:42:08,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:08" (3/3) ... [2023-11-19 07:42:08,202 INFO L112 eAbstractionObserver]: Analyzing ICFG od-3.i [2023-11-19 07:42:08,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:08,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2023-11-19 07:42:08,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:08,329 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;@1d765448, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:08,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-11-19 07:42:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 1195 states, 1004 states have (on average 1.6185258964143425) internal successors, (1625), 1074 states have internal predecessors, (1625), 111 states have call successors, (111), 27 states have call predecessors, (111), 27 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2023-11-19 07:42:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 07:42:08,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:08,374 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] [2023-11-19 07:42:08,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [write_blockErr0ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr1ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-19 07:42:08,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:08,382 INFO L85 PathProgramCache]: Analyzing trace with hash -563206181, now seen corresponding path program 1 times [2023-11-19 07:42:08,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:08,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274697322] [2023-11-19 07:42:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:08,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:42:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:09,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:09,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274697322] [2023-11-19 07:42:09,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274697322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:09,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:09,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:09,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743810086] [2023-11-19 07:42:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:09,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:09,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:09,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:09,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,381 INFO L87 Difference]: Start difference. First operand has 1195 states, 1004 states have (on average 1.6185258964143425) internal successors, (1625), 1074 states have internal predecessors, (1625), 111 states have call successors, (111), 27 states have call predecessors, (111), 27 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2023-11-19 07:42:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:13,678 INFO L93 Difference]: Finished difference Result 2564 states and 4079 transitions. [2023-11-19 07:42:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:13,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 48 [2023-11-19 07:42:13,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:13,707 INFO L225 Difference]: With dead ends: 2564 [2023-11-19 07:42:13,707 INFO L226 Difference]: Without dead ends: 1318 [2023-11-19 07:42:13,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:13,726 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 426 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:13,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 2529 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-19 07:42:13,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2023-11-19 07:42:13,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1058. [2023-11-19 07:42:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 908 states have (on average 1.4702643171806167) internal successors, (1335), 970 states have internal predecessors, (1335), 80 states have call successors, (80), 23 states have call predecessors, (80), 23 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-19 07:42:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1495 transitions. [2023-11-19 07:42:13,850 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1495 transitions. Word has length 48 [2023-11-19 07:42:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:13,851 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1495 transitions. [2023-11-19 07:42:13,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2023-11-19 07:42:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1495 transitions. [2023-11-19 07:42:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 07:42:13,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:13,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:13,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:42:13,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [write_blockErr0ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr1ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-19 07:42:13,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:13,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1411318521, now seen corresponding path program 1 times [2023-11-19 07:42:13,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:13,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205863225] [2023-11-19 07:42:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:42:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:42:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:14,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:14,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205863225] [2023-11-19 07:42:14,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205863225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:14,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:14,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:14,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77081835] [2023-11-19 07:42:14,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:14,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:14,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:14,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:14,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:14,654 INFO L87 Difference]: Start difference. First operand 1058 states and 1495 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:18,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:18,822 INFO L93 Difference]: Finished difference Result 2374 states and 3357 transitions. [2023-11-19 07:42:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:18,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2023-11-19 07:42:18,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:18,834 INFO L225 Difference]: With dead ends: 2374 [2023-11-19 07:42:18,834 INFO L226 Difference]: Without dead ends: 1320 [2023-11-19 07:42:18,840 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 [2023-11-19 07:42:18,841 INFO L413 NwaCegarLoop]: 1400 mSDtfsCounter, 419 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 3783 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:18,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 3783 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-19 07:42:18,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2023-11-19 07:42:18,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1059. [2023-11-19 07:42:18,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 909 states have (on average 1.4697469746974698) internal successors, (1336), 971 states have internal predecessors, (1336), 80 states have call successors, (80), 23 states have call predecessors, (80), 23 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-19 07:42:18,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1496 transitions. [2023-11-19 07:42:18,895 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1496 transitions. Word has length 57 [2023-11-19 07:42:18,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:18,896 INFO L495 AbstractCegarLoop]: Abstraction has 1059 states and 1496 transitions. [2023-11-19 07:42:18,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1496 transitions. [2023-11-19 07:42:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 07:42:18,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:18,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:18,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:42:18,947 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [write_blockErr0ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr1ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-19 07:42:18,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:18,948 INFO L85 PathProgramCache]: Analyzing trace with hash 772642213, now seen corresponding path program 1 times [2023-11-19 07:42:18,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:18,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765941298] [2023-11-19 07:42:18,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:18,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 07:42:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:19,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:19,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765941298] [2023-11-19 07:42:19,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765941298] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:19,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029739657] [2023-11-19 07:42:19,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:19,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:19,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:19,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:42:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:20,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 2471 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:20,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:42:20,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:20,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029739657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:20,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:20,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-19 07:42:20,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883715174] [2023-11-19 07:42:20,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:20,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:20,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:20,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:20,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:20,793 INFO L87 Difference]: Start difference. First operand 1059 states and 1496 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:21,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:21,047 INFO L93 Difference]: Finished difference Result 1882 states and 2623 transitions. [2023-11-19 07:42:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:21,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 59 [2023-11-19 07:42:21,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:21,057 INFO L225 Difference]: With dead ends: 1882 [2023-11-19 07:42:21,057 INFO L226 Difference]: Without dead ends: 1061 [2023-11-19 07:42:21,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:21,067 INFO L413 NwaCegarLoop]: 1493 mSDtfsCounter, 3 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2977 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:21,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2977 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:42:21,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2023-11-19 07:42:21,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1061. [2023-11-19 07:42:21,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 911 states have (on average 1.4687156970362238) internal successors, (1338), 973 states have internal predecessors, (1338), 80 states have call successors, (80), 23 states have call predecessors, (80), 23 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-19 07:42:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1498 transitions. [2023-11-19 07:42:21,117 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1498 transitions. Word has length 59 [2023-11-19 07:42:21,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:21,118 INFO L495 AbstractCegarLoop]: Abstraction has 1061 states and 1498 transitions. [2023-11-19 07:42:21,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1498 transitions. [2023-11-19 07:42:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 07:42:21,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:21,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:21,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:21,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:21,336 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [write_blockErr0ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr1ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-19 07:42:21,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:21,336 INFO L85 PathProgramCache]: Analyzing trace with hash 772644135, now seen corresponding path program 1 times [2023-11-19 07:42:21,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:21,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653787224] [2023-11-19 07:42:21,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:21,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 07:42:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:21,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:21,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653787224] [2023-11-19 07:42:21,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653787224] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:21,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284750027] [2023-11-19 07:42:21,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:21,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:22,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:22,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:42:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:22,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 2466 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:42:22,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:23,048 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:42:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:23,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284750027] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:42:23,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:42:23,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2023-11-19 07:42:23,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766173602] [2023-11-19 07:42:23,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:42:23,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:42:23,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:23,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:42:23,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:42:23,112 INFO L87 Difference]: Start difference. First operand 1061 states and 1498 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:28,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:42:29,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:29,976 INFO L93 Difference]: Finished difference Result 2383 states and 3368 transitions. [2023-11-19 07:42:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:42:29,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 59 [2023-11-19 07:42:29,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:29,988 INFO L225 Difference]: With dead ends: 2383 [2023-11-19 07:42:29,989 INFO L226 Difference]: Without dead ends: 1327 [2023-11-19 07:42:29,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:42:29,996 INFO L413 NwaCegarLoop]: 1400 mSDtfsCounter, 420 mSDsluCounter, 6547 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 7947 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:29,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 7947 Invalid, 1035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [89 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-19 07:42:30,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2023-11-19 07:42:30,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1067. [2023-11-19 07:42:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 917 states have (on average 1.465648854961832) internal successors, (1344), 979 states have internal predecessors, (1344), 80 states have call successors, (80), 23 states have call predecessors, (80), 23 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-19 07:42:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1504 transitions. [2023-11-19 07:42:30,063 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1504 transitions. Word has length 59 [2023-11-19 07:42:30,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:30,066 INFO L495 AbstractCegarLoop]: Abstraction has 1067 states and 1504 transitions. [2023-11-19 07:42:30,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1504 transitions. [2023-11-19 07:42:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 07:42:30,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:30,069 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-19 07:42:30,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-19 07:42:30,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:30,297 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [write_blockErr0ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr1ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-19 07:42:30,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:30,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1421658625, now seen corresponding path program 2 times [2023-11-19 07:42:30,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:30,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228344964] [2023-11-19 07:42:30,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:30,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:42:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:42:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 07:42:31,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:31,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228344964] [2023-11-19 07:42:31,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228344964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:31,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:31,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:42:31,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386332778] [2023-11-19 07:42:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:31,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:42:31,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:42:31,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:31,174 INFO L87 Difference]: Start difference. First operand 1067 states and 1504 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:42:35,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:35,822 INFO L93 Difference]: Finished difference Result 2335 states and 3293 transitions. [2023-11-19 07:42:35,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:42:35,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2023-11-19 07:42:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:35,835 INFO L225 Difference]: With dead ends: 2335 [2023-11-19 07:42:35,835 INFO L226 Difference]: Without dead ends: 1334 [2023-11-19 07:42:35,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:42:35,844 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 2243 mSDsluCounter, 2316 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 3711 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:35,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 3711 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-19 07:42:35,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2023-11-19 07:42:35,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1071. [2023-11-19 07:42:35,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 920 states have (on average 1.4641304347826087) internal successors, (1347), 982 states have internal predecessors, (1347), 80 states have call successors, (80), 24 states have call predecessors, (80), 24 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-19 07:42:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1507 transitions. [2023-11-19 07:42:35,907 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1507 transitions. Word has length 65 [2023-11-19 07:42:35,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:35,907 INFO L495 AbstractCegarLoop]: Abstraction has 1071 states and 1507 transitions. [2023-11-19 07:42:35,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:42:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1507 transitions. [2023-11-19 07:42:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:42:35,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:35,910 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-19 07:42:35,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:42:35,911 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [write_blockErr0ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr1ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-19 07:42:35,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:35,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1623542107, now seen corresponding path program 1 times [2023-11-19 07:42:35,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:35,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392789383] [2023-11-19 07:42:35,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:35,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:42:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:42:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:42:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:42:36,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:36,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392789383] [2023-11-19 07:42:36,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392789383] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:36,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282135906] [2023-11-19 07:42:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:36,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:36,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:36,921 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:36,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:42:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:37,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:42:37,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:42:37,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:42:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:42:38,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282135906] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:42:38,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:42:38,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2023-11-19 07:42:38,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528999105] [2023-11-19 07:42:38,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:42:38,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:42:38,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:38,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:42:38,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:42:38,093 INFO L87 Difference]: Start difference. First operand 1071 states and 1507 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 1 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 07:42:41,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:42:42,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:42,732 INFO L93 Difference]: Finished difference Result 2406 states and 3392 transitions. [2023-11-19 07:42:42,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 07:42:42,733 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 1 states have call successors, (8), 3 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 80 [2023-11-19 07:42:42,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:42,743 INFO L225 Difference]: With dead ends: 2406 [2023-11-19 07:42:42,743 INFO L226 Difference]: Without dead ends: 1346 [2023-11-19 07:42:42,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:42:42,749 INFO L413 NwaCegarLoop]: 1406 mSDtfsCounter, 420 mSDsluCounter, 2390 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 3796 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:42,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 3796 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-19 07:42:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2023-11-19 07:42:42,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1083. [2023-11-19 07:42:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 932 states have (on average 1.4581545064377683) internal successors, (1359), 994 states have internal predecessors, (1359), 80 states have call successors, (80), 24 states have call predecessors, (80), 24 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-19 07:42:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1519 transitions. [2023-11-19 07:42:42,800 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1519 transitions. Word has length 80 [2023-11-19 07:42:42,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:42,801 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1519 transitions. [2023-11-19 07:42:42,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 1 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-19 07:42:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1519 transitions. [2023-11-19 07:42:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 07:42:42,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:42,803 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 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] [2023-11-19 07:42:42,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-19 07:42:43,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3847fb2-112a-44dc-8a43-79a3a8948fc6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:43,030 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [write_blockErr0ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr1ASSERT_VIOLATIONERROR_FUNCTION, write_blockErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-19 07:42:43,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:43,030 INFO L85 PathProgramCache]: Analyzing trace with hash 983573415, now seen corresponding path program 2 times [2023-11-19 07:42:43,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:43,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500243126] [2023-11-19 07:42:43,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:43,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:42:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 07:42:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:43,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:42:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-19 07:42:43,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:43,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500243126] [2023-11-19 07:42:43,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500243126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:43,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:43,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:42:43,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237052676] [2023-11-19 07:42:43,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:43,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:42:43,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:42:43,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:43,836 INFO L87 Difference]: Start difference. First operand 1083 states and 1519 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)