./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/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_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a997af929127373cb395687e4393c920ac8d64592c7d6de23ea302f85930f8b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:26:29,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:26:29,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 03:26:29,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:26:29,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:26:29,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:26:29,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:26:29,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:26:29,719 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:26:29,719 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:26:29,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:26:29,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:26:29,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:26:29,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:26:29,722 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:26:29,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:26:29,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:26:29,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:26:29,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:26:29,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:26:29,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:26:29,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:26:29,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:26:29,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:26:29,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:26:29,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:26:29,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:26:29,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:26:29,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:26:29,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:26:29,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:26:29,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:26:29,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:26:29,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:26:29,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:26:29,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:26:29,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:26:29,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:26:29,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:26:29,732 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a997af929127373cb395687e4393c920ac8d64592c7d6de23ea302f85930f8b [2023-11-29 03:26:29,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:26:29,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:26:29,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:26:29,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:26:29,945 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:26:29,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/od-3.i [2023-11-29 03:26:32,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:26:33,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:26:33,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i [2023-11-29 03:26:33,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/data/1edb36166/0a68533f893043b6af42213baf80c9b0/FLAG0d714f72d [2023-11-29 03:26:33,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/data/1edb36166/0a68533f893043b6af42213baf80c9b0 [2023-11-29 03:26:33,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:26:33,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:26:33,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:26:33,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:26:33,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:26:33,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:26:33" (1/1) ... [2023-11-29 03:26:33,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f16b5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:33, skipping insertion in model container [2023-11-29 03:26:33,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:26:33" (1/1) ... [2023-11-29 03:26:33,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:26:34,762 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[114227,114240] [2023-11-29 03:26:34,767 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[114487,114500] [2023-11-29 03:26:34,769 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[114895,114908] [2023-11-29 03:26:34,776 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[116772,116785] [2023-11-29 03:26:34,779 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[117264,117277] [2023-11-29 03:26:34,780 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[117341,117354] [2023-11-29 03:26:34,781 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[117736,117749] [2023-11-29 03:26:34,783 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[118186,118199] [2023-11-29 03:26:34,783 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[118267,118280] [2023-11-29 03:26:34,784 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[118527,118540] [2023-11-29 03:26:34,792 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[121587,121600] [2023-11-29 03:26:34,795 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[122034,122047] [2023-11-29 03:26:34,795 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[122110,122123] [2023-11-29 03:26:34,796 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[122426,122439] [2023-11-29 03:26:34,805 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[124901,124914] [2023-11-29 03:26:34,806 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[124990,125003] [2023-11-29 03:26:34,807 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125257,125270] [2023-11-29 03:26:34,807 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125352,125365] [2023-11-29 03:26:34,808 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125447,125460] [2023-11-29 03:26:34,808 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125536,125549] [2023-11-29 03:26:34,810 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125891,125904] [2023-11-29 03:26:34,810 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125980,125993] [2023-11-29 03:26:34,811 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126273,126286] [2023-11-29 03:26:34,812 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126368,126381] [2023-11-29 03:26:34,812 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126463,126476] [2023-11-29 03:26:34,813 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126552,126565] [2023-11-29 03:26:34,814 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126942,126955] [2023-11-29 03:26:34,815 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127174,127187] [2023-11-29 03:26:34,816 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127255,127268] [2023-11-29 03:26:34,817 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127465,127478] [2023-11-29 03:26:34,817 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127552,127565] [2023-11-29 03:26:34,818 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127639,127652] [2023-11-29 03:26:34,818 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127720,127733] [2023-11-29 03:26:34,819 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[128021,128034] [2023-11-29 03:26:34,830 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[130709,130722] [2023-11-29 03:26:34,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[134493,134506] [2023-11-29 03:26:34,844 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[134836,134849] [2023-11-29 03:26:34,845 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[134947,134960] [2023-11-29 03:26:34,879 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[148238,148251] [2023-11-29 03:26:34,893 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[152230,152243] [2023-11-29 03:26:34,893 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[152311,152324] [2023-11-29 03:26:34,908 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[158214,158227] [2023-11-29 03:26:34,909 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[158670,158683] [2023-11-29 03:26:34,929 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[166756,166769] [2023-11-29 03:26:34,930 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[166864,166877] [2023-11-29 03:26:34,933 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[169028,169041] [2023-11-29 03:26:34,934 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[169232,169245] [2023-11-29 03:26:34,945 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[174697,174710] [2023-11-29 03:26:34,947 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[175026,175039] [2023-11-29 03:26:34,948 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[175374,175387] [2023-11-29 03:26:34,949 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[175501,175514] [2023-11-29 03:26:34,950 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[175749,175762] [2023-11-29 03:26:34,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:26:35,025 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:26:35,095 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[114227,114240] [2023-11-29 03:26:35,096 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[114487,114500] [2023-11-29 03:26:35,121 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[114895,114908] [2023-11-29 03:26:35,125 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[116772,116785] [2023-11-29 03:26:35,126 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[117264,117277] [2023-11-29 03:26:35,127 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[117341,117354] [2023-11-29 03:26:35,127 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[117736,117749] [2023-11-29 03:26:35,128 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[118186,118199] [2023-11-29 03:26:35,129 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[118267,118280] [2023-11-29 03:26:35,129 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[118527,118540] [2023-11-29 03:26:35,134 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[121587,121600] [2023-11-29 03:26:35,135 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[122034,122047] [2023-11-29 03:26:35,135 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[122110,122123] [2023-11-29 03:26:35,136 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[122426,122439] [2023-11-29 03:26:35,141 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[124901,124914] [2023-11-29 03:26:35,141 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[124990,125003] [2023-11-29 03:26:35,142 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125257,125270] [2023-11-29 03:26:35,142 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125352,125365] [2023-11-29 03:26:35,143 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125447,125460] [2023-11-29 03:26:35,143 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125536,125549] [2023-11-29 03:26:35,144 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125891,125904] [2023-11-29 03:26:35,144 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[125980,125993] [2023-11-29 03:26:35,145 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126273,126286] [2023-11-29 03:26:35,145 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126368,126381] [2023-11-29 03:26:35,146 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126463,126476] [2023-11-29 03:26:35,146 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126552,126565] [2023-11-29 03:26:35,147 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[126942,126955] [2023-11-29 03:26:35,148 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127174,127187] [2023-11-29 03:26:35,148 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127255,127268] [2023-11-29 03:26:35,149 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127465,127478] [2023-11-29 03:26:35,149 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127552,127565] [2023-11-29 03:26:35,149 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127639,127652] [2023-11-29 03:26:35,150 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[127720,127733] [2023-11-29 03:26:35,150 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[128021,128034] [2023-11-29 03:26:35,155 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[130709,130722] [2023-11-29 03:26:35,162 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[134493,134506] [2023-11-29 03:26:35,163 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[134836,134849] [2023-11-29 03:26:35,164 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[134947,134960] [2023-11-29 03:26:35,185 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[148238,148251] [2023-11-29 03:26:35,194 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[152230,152243] [2023-11-29 03:26:35,194 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[152311,152324] [2023-11-29 03:26:35,205 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[158214,158227] [2023-11-29 03:26:35,206 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[158670,158683] [2023-11-29 03:26:35,221 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[166756,166769] [2023-11-29 03:26:35,221 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[166864,166877] [2023-11-29 03:26:35,225 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[169028,169041] [2023-11-29 03:26:35,225 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[169232,169245] [2023-11-29 03:26:35,234 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[174697,174710] [2023-11-29 03:26:35,235 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[175026,175039] [2023-11-29 03:26:35,236 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[175374,175387] [2023-11-29 03:26:35,236 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[175501,175514] [2023-11-29 03:26:35,237 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_52a3e6da-8f10-49dd-92ce-33678fb8d692/sv-benchmarks/c/busybox-1.22.0/od-3.i[175749,175762] [2023-11-29 03:26:35,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:26:35,475 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,476 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,476 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,476 WARN L675 CHandler]: The function format_address is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,476 WARN L675 CHandler]: The function fseek is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,476 WARN L675 CHandler]: The function fread is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,476 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,476 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,476 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,477 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,477 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,477 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,477 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,477 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,477 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,477 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:35,485 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:26:35,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35 WrapperNode [2023-11-29 03:26:35,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:26:35,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:26:35,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:26:35,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:26:35,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:35,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:35,703 INFO L138 Inliner]: procedures = 692, calls = 1641, calls flagged for inlining = 56, calls inlined = 54, statements flattened = 4550 [2023-11-29 03:26:35,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:26:35,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:26:35,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:26:35,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:26:35,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:35,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:35,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:36,132 INFO L175 MemorySlicer]: Split 1219 memory accesses to 56 slices as follows [4, 102, 1, 31, 107, 17, 2, 307, 48, 3, 2, 3, 2, 4, 3, 3, 3, 13, 3, 3, 3, 3, 2, 36, 33, 44, 60, 9, 5, 8, 2, 16, 15, 29, 17, 41, 3, 21, 4, 69, 1, 19, 11, 16, 11, 5, 5, 5, 5, 5, 4, 4, 21, 5, 17, 4]. 25 percent of accesses are in the largest equivalence class. The 645 initializations are split as follows [3, 99, 0, 0, 104, 0, 0, 134, 0, 0, 2, 3, 0, 4, 3, 3, 3, 0, 3, 3, 3, 3, 2, 7, 2, 0, 57, 0, 5, 0, 2, 12, 7, 1, 4, 35, 0, 0, 0, 68, 0, 17, 9, 1, 9, 5, 4, 5, 4, 4, 4, 3, 0, 5, 0, 3]. The 181 writes are split as follows [0, 0, 1, 31, 0, 13, 1, 60, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 5, 12, 3, 6, 0, 1, 0, 4, 7, 13, 4, 0, 0, 6, 1, 0, 1, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3, 0]. [2023-11-29 03:26:36,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:36,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:36,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:36,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:36,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:36,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:36,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:26:36,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:26:36,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:26:36,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:26:36,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (1/1) ... [2023-11-29 03:26:36,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:26:36,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:36,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:26:36,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-29 03:26:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2023-11-29 03:26:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#17 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#18 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#19 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#20 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#21 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#22 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#23 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#24 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#25 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#26 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#27 [2023-11-29 03:26:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#28 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#29 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#30 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#31 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#32 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#33 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#34 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#35 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#36 [2023-11-29 03:26:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#37 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#38 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#39 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#40 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#41 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#42 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#43 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#44 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#45 [2023-11-29 03:26:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#46 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#47 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#48 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#49 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#50 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#51 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#52 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#53 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#54 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#55 [2023-11-29 03:26:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure open_next_file [2023-11-29 03:26:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure open_next_file [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-29 03:26:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-29 03:26:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#22 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#23 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#24 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#25 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#26 [2023-11-29 03:26:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#27 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#28 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#29 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#30 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#31 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#32 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#33 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#34 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#35 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#36 [2023-11-29 03:26:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#37 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#38 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#39 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#40 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#41 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#42 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#43 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#44 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#45 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#46 [2023-11-29 03:26:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#47 [2023-11-29 03:26:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#48 [2023-11-29 03:26:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#49 [2023-11-29 03:26:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#50 [2023-11-29 03:26:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#51 [2023-11-29 03:26:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#52 [2023-11-29 03:26:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#53 [2023-11-29 03:26:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#54 [2023-11-29 03:26:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#55 [2023-11-29 03:26:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-29 03:26:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-29 03:26:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2023-11-29 03:26:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#22 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#23 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#24 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#25 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#26 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#27 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#28 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#29 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#30 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#31 [2023-11-29 03:26:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#32 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#33 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#34 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#35 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#36 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#37 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#38 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#39 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#40 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#41 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#42 [2023-11-29 03:26:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#43 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#44 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#45 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#46 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#47 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#48 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#49 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#50 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#51 [2023-11-29 03:26:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#52 [2023-11-29 03:26:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#53 [2023-11-29 03:26:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#54 [2023-11-29 03:26:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#55 [2023-11-29 03:26:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-29 03:26:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-29 03:26:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-29 03:26:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-29 03:26:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-29 03:26:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 03:26:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:26:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure bb_strtou [2023-11-29 03:26:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_strtou [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#8 [2023-11-29 03:26:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#9 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#10 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#11 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#12 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#13 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#14 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#15 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#16 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#17 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#18 [2023-11-29 03:26:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#19 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#20 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#21 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#22 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#23 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#24 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#25 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#26 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#27 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#28 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#29 [2023-11-29 03:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#30 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#31 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#32 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#33 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#34 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#35 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#36 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#37 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#38 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#39 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#40 [2023-11-29 03:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#41 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#42 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#43 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#44 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#45 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#46 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#47 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#48 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#49 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#50 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#51 [2023-11-29 03:26:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#52 [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#53 [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#54 [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#55 [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2023-11-29 03:26:36,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 03:26:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 03:26:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2023-11-29 03:26:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#36 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#37 [2023-11-29 03:26:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#38 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#39 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#40 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#41 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#42 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#43 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#44 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#45 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#46 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#47 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#48 [2023-11-29 03:26:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#49 [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#50 [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#51 [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#52 [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#53 [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#54 [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#55 [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 03:26:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-29 03:26:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 03:26:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 03:26:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2023-11-29 03:26:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#36 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#37 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#38 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#39 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#40 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#41 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#42 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#43 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#44 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#45 [2023-11-29 03:26:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#46 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#47 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#48 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#49 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#50 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#51 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#52 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#53 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#54 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#55 [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2023-11-29 03:26:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2023-11-29 03:26:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 03:26:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 03:26:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-29 03:26:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-29 03:26:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#49 [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#50 [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#51 [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#52 [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#53 [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#54 [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#55 [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure format_address_std [2023-11-29 03:26:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure format_address_std [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 03:26:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure check_and_close [2023-11-29 03:26:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure check_and_close [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 03:26:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 03:26:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 03:26:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 03:26:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 03:26:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-29 03:26:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2023-11-29 03:26:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#45 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#46 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#47 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#48 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#49 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#50 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#51 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#52 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#53 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#54 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#55 [2023-11-29 03:26:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2023-11-29 03:26:36,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:26:36,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 03:26:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2023-11-29 03:26:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#28 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#29 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#30 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#31 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#32 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#33 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#34 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#35 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#36 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#37 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#38 [2023-11-29 03:26:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#39 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#40 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#41 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#42 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#43 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#44 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#45 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#46 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#47 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#48 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#49 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#50 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#51 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#52 [2023-11-29 03:26:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#53 [2023-11-29 03:26:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#54 [2023-11-29 03:26:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#55 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 03:26:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2023-11-29 03:26:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#28 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#29 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#30 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#31 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#32 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#33 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#34 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#35 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#36 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#37 [2023-11-29 03:26:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#38 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#39 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#40 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#41 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#42 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#43 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#44 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#45 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#46 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#47 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#48 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#49 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#50 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#51 [2023-11-29 03:26:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#52 [2023-11-29 03:26:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#53 [2023-11-29 03:26:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#54 [2023-11-29 03:26:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#55 [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 03:26:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 03:26:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 03:26:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2023-11-29 03:26:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#36 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#37 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#38 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#39 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#40 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#41 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#42 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#43 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#44 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#45 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#46 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#47 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#48 [2023-11-29 03:26:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#49 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#50 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#51 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#52 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#53 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#54 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#55 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 03:26:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 03:26:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2023-11-29 03:26:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#36 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#37 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#38 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#39 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#40 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#41 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#42 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#43 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#44 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#45 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#46 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#47 [2023-11-29 03:26:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#48 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#49 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#50 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#51 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#52 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#53 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#54 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#55 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure decode_format_string [2023-11-29 03:26:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_format_string [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 03:26:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 03:26:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2023-11-29 03:26:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#35 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#36 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#37 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#38 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#39 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#40 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#41 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#42 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#43 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#44 [2023-11-29 03:26:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#45 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#46 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#47 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#48 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#49 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#50 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#51 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#52 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#53 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#54 [2023-11-29 03:26:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#55 [2023-11-29 03:26:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 03:26:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 03:26:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 03:26:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 03:26:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2023-11-29 03:26:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#35 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#36 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#37 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#38 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#39 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#40 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#41 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#42 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#43 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#44 [2023-11-29 03:26:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#45 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#46 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#47 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#48 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#49 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#50 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#51 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#52 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#53 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#54 [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#55 [2023-11-29 03:26:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure fstat [2023-11-29 03:26:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:26:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure parse_old_offset [2023-11-29 03:26:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_old_offset [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 03:26:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 03:26:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2023-11-29 03:26:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#45 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#46 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#47 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#48 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#49 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#50 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#51 [2023-11-29 03:26:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#52 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#53 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#54 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#55 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 03:26:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 03:26:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2023-11-29 03:26:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#42 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#43 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#44 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#45 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#46 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#47 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#48 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#49 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#50 [2023-11-29 03:26:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#51 [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#52 [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#53 [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#54 [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#55 [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_lcm [2023-11-29 03:26:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lcm [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2023-11-29 03:26:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:26:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 03:26:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 03:26:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-29 03:26:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#49 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#50 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#51 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#52 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#53 [2023-11-29 03:26:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#54 [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#55 [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_sfx [2023-11-29 03:26:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_sfx [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure format_address_paren [2023-11-29 03:26:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure format_address_paren [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtou_range_sfx [2023-11-29 03:26:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtou_range_sfx [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure write_block [2023-11-29 03:26:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure write_block [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2023-11-29 03:26:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#8 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#9 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#10 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#11 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#12 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#13 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#14 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#15 [2023-11-29 03:26:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#16 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#17 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#18 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#19 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#20 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#21 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#22 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#23 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#24 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#25 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#26 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#27 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#28 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#29 [2023-11-29 03:26:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#30 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#31 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#32 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#33 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#34 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#35 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#36 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#37 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#38 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#39 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#40 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#41 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#42 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#43 [2023-11-29 03:26:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#44 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#45 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#46 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#47 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#48 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#49 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#50 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#51 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#52 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#53 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#54 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#55 [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 03:26:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 03:26:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure xasprintf [2023-11-29 03:26:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xasprintf [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 03:26:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 03:26:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-29 03:26:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#49 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#50 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#51 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#52 [2023-11-29 03:26:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#53 [2023-11-29 03:26:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#54 [2023-11-29 03:26:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#55 [2023-11-29 03:26:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2023-11-29 03:26:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2023-11-29 03:26:37,852 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:26:37,857 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:26:43,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:26:43,573 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:26:43,574 INFO L309 CfgBuilder]: Removed 109 assume(true) statements. [2023-11-29 03:26:43,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:26:43 BoogieIcfgContainer [2023-11-29 03:26:43,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:26:43,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:26:43,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:26:43,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:26:43,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:26:33" (1/3) ... [2023-11-29 03:26:43,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdca6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:26:43, skipping insertion in model container [2023-11-29 03:26:43,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:35" (2/3) ... [2023-11-29 03:26:43,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdca6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:26:43, skipping insertion in model container [2023-11-29 03:26:43,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:26:43" (3/3) ... [2023-11-29 03:26:43,583 INFO L112 eAbstractionObserver]: Analyzing ICFG od-3.i [2023-11-29 03:26:43,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:26:43,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2023-11-29 03:26:43,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:26:43,683 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;@48c9d04d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:26:43,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-11-29 03:26:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 1109 states, 916 states have (on average 1.6801310043668123) internal successors, (1539), 986 states have internal predecessors, (1539), 111 states have call successors, (111), 29 states have call predecessors, (111), 29 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2023-11-29 03:26:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-29 03:26:43,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:43,708 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] [2023-11-29 03:26:43,708 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:26:43,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:43,714 INFO L85 PathProgramCache]: Analyzing trace with hash 308969360, now seen corresponding path program 1 times [2023-11-29 03:26:43,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:43,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120896402] [2023-11-29 03:26:43,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:43,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 03:26:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:26:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:44,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:44,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120896402] [2023-11-29 03:26:44,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120896402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:44,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:44,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:26:44,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541078135] [2023-11-29 03:26:44,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:44,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:26:44,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:44,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:26:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:26:44,654 INFO L87 Difference]: Start difference. First operand has 1109 states, 916 states have (on average 1.6801310043668123) internal successors, (1539), 986 states have internal predecessors, (1539), 111 states have call successors, (111), 29 states have call predecessors, (111), 29 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:26:48,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:48,411 INFO L93 Difference]: Finished difference Result 2133 states and 3480 transitions. [2023-11-29 03:26:48,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:26:48,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 46 [2023-11-29 03:26:48,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:48,434 INFO L225 Difference]: With dead ends: 2133 [2023-11-29 03:26:48,434 INFO L226 Difference]: Without dead ends: 984 [2023-11-29 03:26:48,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:26:48,451 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 612 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:48,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 2254 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 03:26:48,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2023-11-29 03:26:48,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 982. [2023-11-29 03:26:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 830 states have (on average 1.5168674698795181) internal successors, (1259), 892 states have internal predecessors, (1259), 80 states have call successors, (80), 25 states have call predecessors, (80), 25 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 03:26:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1419 transitions. [2023-11-29 03:26:48,554 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1419 transitions. Word has length 46 [2023-11-29 03:26:48,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:48,555 INFO L495 AbstractCegarLoop]: Abstraction has 982 states and 1419 transitions. [2023-11-29 03:26:48,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:26:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1419 transitions. [2023-11-29 03:26:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 03:26:48,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:48,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:48,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:26:48,559 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:26:48,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:48,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1090009758, now seen corresponding path program 1 times [2023-11-29 03:26:48,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:48,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515699438] [2023-11-29 03:26:48,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:48,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:26:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:26:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:49,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:49,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515699438] [2023-11-29 03:26:49,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515699438] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:49,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210817885] [2023-11-29 03:26:49,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:49,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:49,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:49,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:49,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:26:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:50,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:26:50,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:26:50,514 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:26:50,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210817885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:50,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:26:50,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 03:26:50,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751320893] [2023-11-29 03:26:50,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:50,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:50,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:50,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:50,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:26:50,518 INFO L87 Difference]: Start difference. First operand 982 states and 1419 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-11-29 03:26:50,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:50,923 INFO L93 Difference]: Finished difference Result 1742 states and 2483 transitions. [2023-11-29 03:26:50,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:50,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 55 [2023-11-29 03:26:50,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:50,932 INFO L225 Difference]: With dead ends: 1742 [2023-11-29 03:26:50,933 INFO L226 Difference]: Without dead ends: 984 [2023-11-29 03:26:50,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:26:50,939 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 3 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:50,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2659 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:26:50,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2023-11-29 03:26:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 984. [2023-11-29 03:26:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 832 states have (on average 1.515625) internal successors, (1261), 894 states have internal predecessors, (1261), 80 states have call successors, (80), 25 states have call predecessors, (80), 25 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 03:26:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1421 transitions. [2023-11-29 03:26:50,992 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1421 transitions. Word has length 55 [2023-11-29 03:26:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:50,994 INFO L495 AbstractCegarLoop]: Abstraction has 984 states and 1421 transitions. [2023-11-29 03:26:50,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-11-29 03:26:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1421 transitions. [2023-11-29 03:26:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 03:26:50,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:50,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:51,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:26:51,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:51,201 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:26:51,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:51,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1090011680, now seen corresponding path program 1 times [2023-11-29 03:26:51,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:51,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376478016] [2023-11-29 03:26:51,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:51,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:26:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:26:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:51,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:51,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376478016] [2023-11-29 03:26:51,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376478016] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:51,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324664853] [2023-11-29 03:26:51,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:51,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:51,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:51,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:51,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:26:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:52,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 2470 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:26:52,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:52,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:26:52,915 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:26:52,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324664853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:52,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:26:52,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 03:26:52,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523535898] [2023-11-29 03:26:52,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:52,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:52,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:52,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:52,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:26:52,918 INFO L87 Difference]: Start difference. First operand 984 states and 1421 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-11-29 03:26:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:53,332 INFO L93 Difference]: Finished difference Result 1948 states and 2815 transitions. [2023-11-29 03:26:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:53,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 55 [2023-11-29 03:26:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:53,342 INFO L225 Difference]: With dead ends: 1948 [2023-11-29 03:26:53,342 INFO L226 Difference]: Without dead ends: 1178 [2023-11-29 03:26:53,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:26:53,347 INFO L413 NwaCegarLoop]: 1356 mSDtfsCounter, 278 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:53,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 2687 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:26:53,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2023-11-29 03:26:53,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1176. [2023-11-29 03:26:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1017 states have (on average 1.536873156342183) internal successors, (1563), 1079 states have internal predecessors, (1563), 87 states have call successors, (87), 25 states have call predecessors, (87), 25 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-29 03:26:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1737 transitions. [2023-11-29 03:26:53,403 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1737 transitions. Word has length 55 [2023-11-29 03:26:53,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:53,403 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1737 transitions. [2023-11-29 03:26:53,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-11-29 03:26:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1737 transitions. [2023-11-29 03:26:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 03:26:53,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:53,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:53,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:26:53,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:53,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:26:53,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:53,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1563884024, now seen corresponding path program 1 times [2023-11-29 03:26:53,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:53,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4266576] [2023-11-29 03:26:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:53,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 03:26:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:53,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:26:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:53,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:53,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4266576] [2023-11-29 03:26:53,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4266576] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:53,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208231953] [2023-11-29 03:26:53,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:53,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:53,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:53,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:53,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:26:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:55,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 2469 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:26:55,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:55,103 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:26:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:55,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208231953] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:26:55,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:26:55,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 4] total 8 [2023-11-29 03:26:55,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529532016] [2023-11-29 03:26:55,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:26:55,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:26:55,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:55,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:26:55,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:26:55,140 INFO L87 Difference]: Start difference. First operand 1176 states and 1737 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 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) [2023-11-29 03:26:59,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:59,321 INFO L93 Difference]: Finished difference Result 2354 states and 3479 transitions. [2023-11-29 03:26:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:26:59,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 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 55 [2023-11-29 03:26:59,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:59,327 INFO L225 Difference]: With dead ends: 2354 [2023-11-29 03:26:59,327 INFO L226 Difference]: Without dead ends: 1181 [2023-11-29 03:26:59,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:26:59,332 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 578 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 2150 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:59,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 2150 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 03:26:59,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2023-11-29 03:26:59,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1179. [2023-11-29 03:26:59,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 1020 states have (on average 1.535294117647059) internal successors, (1566), 1082 states have internal predecessors, (1566), 87 states have call successors, (87), 25 states have call predecessors, (87), 25 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-29 03:26:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1740 transitions. [2023-11-29 03:26:59,370 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1740 transitions. Word has length 55 [2023-11-29 03:26:59,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:59,371 INFO L495 AbstractCegarLoop]: Abstraction has 1179 states and 1740 transitions. [2023-11-29 03:26:59,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 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) [2023-11-29 03:26:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1740 transitions. [2023-11-29 03:26:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-29 03:26:59,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:59,372 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:59,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:26:59,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:59,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:26:59,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:59,574 INFO L85 PathProgramCache]: Analyzing trace with hash 865002570, now seen corresponding path program 2 times [2023-11-29 03:26:59,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:59,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814659889] [2023-11-29 03:26:59,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:59,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:27:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:27:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 03:27:00,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:00,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814659889] [2023-11-29 03:27:00,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814659889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:00,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:00,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:27:00,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521572705] [2023-11-29 03:27:00,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:00,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:27:00,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:00,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:27:00,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:27:00,183 INFO L87 Difference]: Start difference. First operand 1179 states and 1740 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2023-11-29 03:27:04,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:04,392 INFO L93 Difference]: Finished difference Result 2261 states and 3341 transitions. [2023-11-29 03:27:04,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:27:04,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 58 [2023-11-29 03:27:04,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:04,399 INFO L225 Difference]: With dead ends: 2261 [2023-11-29 03:27:04,399 INFO L226 Difference]: Without dead ends: 1181 [2023-11-29 03:27:04,403 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 [2023-11-29 03:27:04,403 INFO L413 NwaCegarLoop]: 778 mSDtfsCounter, 1908 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1957 SdHoareTripleChecker+Valid, 2082 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:04,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1957 Valid, 2082 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 03:27:04,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2023-11-29 03:27:04,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1179. [2023-11-29 03:27:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 1020 states have (on average 1.5333333333333334) internal successors, (1564), 1082 states have internal predecessors, (1564), 87 states have call successors, (87), 25 states have call predecessors, (87), 25 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-29 03:27:04,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1738 transitions. [2023-11-29 03:27:04,453 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1738 transitions. Word has length 58 [2023-11-29 03:27:04,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:04,454 INFO L495 AbstractCegarLoop]: Abstraction has 1179 states and 1738 transitions. [2023-11-29 03:27:04,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2023-11-29 03:27:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1738 transitions. [2023-11-29 03:27:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 03:27:04,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:04,456 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:04,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:27:04,456 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:04,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:04,457 INFO L85 PathProgramCache]: Analyzing trace with hash -54065228, now seen corresponding path program 1 times [2023-11-29 03:27:04,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:04,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264447436] [2023-11-29 03:27:04,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:04,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:27:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:27:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 03:27:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 03:27:05,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:05,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264447436] [2023-11-29 03:27:05,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264447436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:05,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:05,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:27:05,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075493024] [2023-11-29 03:27:05,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:05,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:27:05,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:05,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:27:05,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:27:05,243 INFO L87 Difference]: Start difference. First operand 1179 states and 1738 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:27:13,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:13,041 INFO L93 Difference]: Finished difference Result 2342 states and 3458 transitions. [2023-11-29 03:27:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:27:13,042 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 72 [2023-11-29 03:27:13,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:13,049 INFO L225 Difference]: With dead ends: 2342 [2023-11-29 03:27:13,049 INFO L226 Difference]: Without dead ends: 1219 [2023-11-29 03:27:13,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:27:13,053 INFO L413 NwaCegarLoop]: 774 mSDtfsCounter, 2540 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 3321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:13,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 4078 Invalid, 3321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-29 03:27:13,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2023-11-29 03:27:13,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1183. [2023-11-29 03:27:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1024 states have (on average 1.53125) internal successors, (1568), 1086 states have internal predecessors, (1568), 87 states have call successors, (87), 25 states have call predecessors, (87), 25 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-29 03:27:13,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1742 transitions. [2023-11-29 03:27:13,118 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1742 transitions. Word has length 72 [2023-11-29 03:27:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:13,119 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1742 transitions. [2023-11-29 03:27:13,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:27:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1742 transitions. [2023-11-29 03:27:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 03:27:13,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:13,120 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:13,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:27:13,121 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:13,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:13,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1707972015, now seen corresponding path program 1 times [2023-11-29 03:27:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:13,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253185397] [2023-11-29 03:27:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:13,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:13,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:27:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:27:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:27:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:27:13,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:13,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253185397] [2023-11-29 03:27:13,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253185397] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:13,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161354471] [2023-11-29 03:27:13,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:13,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:13,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:13,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:13,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:27:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:14,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 2624 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:27:14,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:27:14,816 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:27:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:27:14,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161354471] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:27:14,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:27:14,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 7] total 15 [2023-11-29 03:27:14,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727051401] [2023-11-29 03:27:14,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:27:14,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 03:27:14,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:14,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 03:27:14,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:27:14,904 INFO L87 Difference]: Start difference. First operand 1183 states and 1742 transitions. Second operand has 15 states, 15 states have (on average 5.6) internal successors, (84), 13 states have internal predecessors, (84), 1 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 03:27:18,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:27:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:20,515 INFO L93 Difference]: Finished difference Result 2370 states and 3496 transitions. [2023-11-29 03:27:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:27:20,515 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 13 states have internal predecessors, (84), 1 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 74 [2023-11-29 03:27:20,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:20,520 INFO L225 Difference]: With dead ends: 2370 [2023-11-29 03:27:20,520 INFO L226 Difference]: Without dead ends: 1193 [2023-11-29 03:27:20,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:27:20,523 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 1104 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 3540 SdHoareTripleChecker+Invalid, 2455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:20,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 3540 Invalid, 2455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 03:27:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2023-11-29 03:27:20,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1189. [2023-11-29 03:27:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1030 states have (on average 1.5281553398058252) internal successors, (1574), 1092 states have internal predecessors, (1574), 87 states have call successors, (87), 25 states have call predecessors, (87), 25 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-29 03:27:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1748 transitions. [2023-11-29 03:27:20,561 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1748 transitions. Word has length 74 [2023-11-29 03:27:20,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:20,561 INFO L495 AbstractCegarLoop]: Abstraction has 1189 states and 1748 transitions. [2023-11-29 03:27:20,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 13 states have internal predecessors, (84), 1 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 03:27:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1748 transitions. [2023-11-29 03:27:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 03:27:20,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:20,564 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:20,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 03:27:20,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:20,765 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:20,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:20,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1324324591, now seen corresponding path program 2 times [2023-11-29 03:27:20,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:20,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794364985] [2023-11-29 03:27:20,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:20,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:27:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 03:27:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 03:27:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-29 03:27:21,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:21,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794364985] [2023-11-29 03:27:21,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794364985] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:21,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284739060] [2023-11-29 03:27:21,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:27:21,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:21,479 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:21,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:27:22,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:27:22,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:27:22,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:27:22,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:22,844 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:22,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284739060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:22,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:27:22,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-29 03:27:22,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929690478] [2023-11-29 03:27:22,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:22,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:22,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:22,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:22,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:27:22,845 INFO L87 Difference]: Start difference. First operand 1189 states and 1748 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:27:23,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:23,421 INFO L93 Difference]: Finished difference Result 2479 states and 3646 transitions. [2023-11-29 03:27:23,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:27:23,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 80 [2023-11-29 03:27:23,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:23,429 INFO L225 Difference]: With dead ends: 2479 [2023-11-29 03:27:23,429 INFO L226 Difference]: Without dead ends: 1553 [2023-11-29 03:27:23,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:27:23,432 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 499 mSDsluCounter, 2598 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 3932 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:23,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 3932 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:27:23,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2023-11-29 03:27:23,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1193. [2023-11-29 03:27:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1034 states have (on average 1.5261121856866537) internal successors, (1578), 1096 states have internal predecessors, (1578), 87 states have call successors, (87), 25 states have call predecessors, (87), 25 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-29 03:27:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1752 transitions. [2023-11-29 03:27:23,473 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1752 transitions. Word has length 80 [2023-11-29 03:27:23,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:23,474 INFO L495 AbstractCegarLoop]: Abstraction has 1193 states and 1752 transitions. [2023-11-29 03:27:23,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:27:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1752 transitions. [2023-11-29 03:27:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 03:27:23,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:23,475 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:23,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:27:23,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:23,677 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:23,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:23,678 INFO L85 PathProgramCache]: Analyzing trace with hash -137931034, now seen corresponding path program 1 times [2023-11-29 03:27:23,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:23,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539791063] [2023-11-29 03:27:23,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:23,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:27:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:24,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 03:27:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 03:27:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-29 03:27:24,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:24,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539791063] [2023-11-29 03:27:24,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539791063] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:24,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521373039] [2023-11-29 03:27:24,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:24,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:24,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:24,355 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:24,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:27:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:25,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:27:25,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:25,663 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:25,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521373039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:25,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:27:25,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-29 03:27:25,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414539253] [2023-11-29 03:27:25,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:25,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:25,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:25,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:25,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:27:25,665 INFO L87 Difference]: Start difference. First operand 1193 states and 1752 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:26,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:26,080 INFO L93 Difference]: Finished difference Result 2829 states and 4276 transitions. [2023-11-29 03:27:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:27:26,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 83 [2023-11-29 03:27:26,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:26,091 INFO L225 Difference]: With dead ends: 2829 [2023-11-29 03:27:26,091 INFO L226 Difference]: Without dead ends: 1747 [2023-11-29 03:27:26,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:27:26,095 INFO L413 NwaCegarLoop]: 1372 mSDtfsCounter, 445 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:26,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 3996 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:27:26,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2023-11-29 03:27:26,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1705. [2023-11-29 03:27:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1528 states have (on average 1.5615183246073299) internal successors, (2386), 1590 states have internal predecessors, (2386), 105 states have call successors, (105), 25 states have call predecessors, (105), 25 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 03:27:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2596 transitions. [2023-11-29 03:27:26,169 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2596 transitions. Word has length 83 [2023-11-29 03:27:26,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:26,170 INFO L495 AbstractCegarLoop]: Abstraction has 1705 states and 2596 transitions. [2023-11-29 03:27:26,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2596 transitions. [2023-11-29 03:27:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 03:27:26,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:26,172 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:26,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:27:26,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 03:27:26,373 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:26,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash -995943857, now seen corresponding path program 1 times [2023-11-29 03:27:26,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:26,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865963126] [2023-11-29 03:27:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:26,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:27:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 03:27:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 03:27:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-29 03:27:27,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:27,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865963126] [2023-11-29 03:27:27,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865963126] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:27,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121557000] [2023-11-29 03:27:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:27,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:27,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:27,035 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:27,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:27:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:28,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 2755 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:27:28,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:28,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:28,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121557000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:28,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:27:28,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-29 03:27:28,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517685876] [2023-11-29 03:27:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:28,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:28,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:28,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:28,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:27:28,608 INFO L87 Difference]: Start difference. First operand 1705 states and 2596 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:29,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:29,127 INFO L93 Difference]: Finished difference Result 2515 states and 3729 transitions. [2023-11-29 03:27:29,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:27:29,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 83 [2023-11-29 03:27:29,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:29,138 INFO L225 Difference]: With dead ends: 2515 [2023-11-29 03:27:29,138 INFO L226 Difference]: Without dead ends: 1735 [2023-11-29 03:27:29,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:27:29,142 INFO L413 NwaCegarLoop]: 1325 mSDtfsCounter, 202 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 3873 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:29,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 3873 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:27:29,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2023-11-29 03:27:29,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1707. [2023-11-29 03:27:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1530 states have (on average 1.5594771241830065) internal successors, (2386), 1592 states have internal predecessors, (2386), 105 states have call successors, (105), 25 states have call predecessors, (105), 25 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 03:27:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2596 transitions. [2023-11-29 03:27:29,213 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2596 transitions. Word has length 83 [2023-11-29 03:27:29,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:29,213 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2596 transitions. [2023-11-29 03:27:29,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:29,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2596 transitions. [2023-11-29 03:27:29,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 03:27:29,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:29,215 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:29,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:27:29,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 03:27:29,416 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:29,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:29,416 INFO L85 PathProgramCache]: Analyzing trace with hash -410731765, now seen corresponding path program 1 times [2023-11-29 03:27:29,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:29,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123948447] [2023-11-29 03:27:29,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:29,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:27:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 03:27:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 03:27:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-29 03:27:29,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:29,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123948447] [2023-11-29 03:27:29,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123948447] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:29,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523897475] [2023-11-29 03:27:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:29,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:29,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:29,942 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:29,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:27:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:31,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 2758 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:27:31,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:31,235 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:31,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:31,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523897475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:31,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:27:31,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2023-11-29 03:27:31,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296603948] [2023-11-29 03:27:31,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:31,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:27:31,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:31,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:27:31,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:27:31,237 INFO L87 Difference]: Start difference. First operand 1707 states and 2596 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:32,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:32,275 INFO L93 Difference]: Finished difference Result 3399 states and 5175 transitions. [2023-11-29 03:27:32,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:27:32,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 84 [2023-11-29 03:27:32,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:32,283 INFO L225 Difference]: With dead ends: 3399 [2023-11-29 03:27:32,283 INFO L226 Difference]: Without dead ends: 1710 [2023-11-29 03:27:32,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:27:32,287 INFO L413 NwaCegarLoop]: 1323 mSDtfsCounter, 710 mSDsluCounter, 3902 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 5225 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:32,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 5225 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:27:32,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2023-11-29 03:27:32,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1708. [2023-11-29 03:27:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1531 states have (on average 1.559111691704768) internal successors, (2387), 1593 states have internal predecessors, (2387), 105 states have call successors, (105), 25 states have call predecessors, (105), 25 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 03:27:32,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2597 transitions. [2023-11-29 03:27:32,337 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2597 transitions. Word has length 84 [2023-11-29 03:27:32,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:32,338 INFO L495 AbstractCegarLoop]: Abstraction has 1708 states and 2597 transitions. [2023-11-29 03:27:32,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2597 transitions. [2023-11-29 03:27:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 03:27:32,339 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:32,339 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:32,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:27:32,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:32,540 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:32,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:32,540 INFO L85 PathProgramCache]: Analyzing trace with hash 109493354, now seen corresponding path program 1 times [2023-11-29 03:27:32,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:32,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997508907] [2023-11-29 03:27:32,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:32,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:27:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 03:27:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 03:27:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:32,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:32,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997508907] [2023-11-29 03:27:32,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997508907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:32,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:32,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:27:32,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016027332] [2023-11-29 03:27:32,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:32,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:27:32,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:32,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:27:32,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:27:32,927 INFO L87 Difference]: Start difference. First operand 1708 states and 2597 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:36,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:36,755 INFO L93 Difference]: Finished difference Result 3405 states and 5185 transitions. [2023-11-29 03:27:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:27:36,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 87 [2023-11-29 03:27:36,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:36,765 INFO L225 Difference]: With dead ends: 3405 [2023-11-29 03:27:36,765 INFO L226 Difference]: Without dead ends: 1713 [2023-11-29 03:27:36,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:27:36,770 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 1104 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:36,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 2814 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 03:27:36,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2023-11-29 03:27:36,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1709. [2023-11-29 03:27:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1709 states, 1532 states have (on average 1.558746736292428) internal successors, (2388), 1594 states have internal predecessors, (2388), 105 states have call successors, (105), 25 states have call predecessors, (105), 25 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 03:27:36,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2598 transitions. [2023-11-29 03:27:36,855 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2598 transitions. Word has length 87 [2023-11-29 03:27:36,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:36,855 INFO L495 AbstractCegarLoop]: Abstraction has 1709 states and 2598 transitions. [2023-11-29 03:27:36,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2598 transitions. [2023-11-29 03:27:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 03:27:36,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:36,857 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:36,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:27:36,857 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:36,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:36,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1045390144, now seen corresponding path program 1 times [2023-11-29 03:27:36,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:36,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471485689] [2023-11-29 03:27:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:36,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:27:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:27:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 03:27:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:37,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471485689] [2023-11-29 03:27:37,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471485689] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476929044] [2023-11-29 03:27:37,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:37,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:37,203 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:37,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:27:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:38,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 2843 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:27:38,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:38,506 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:27:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:38,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476929044] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:27:38,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:27:38,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2023-11-29 03:27:38,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099858359] [2023-11-29 03:27:38,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:27:38,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:27:38,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:38,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:27:38,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:27:38,534 INFO L87 Difference]: Start difference. First operand 1709 states and 2598 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 03:27:43,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:27:47,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:47,854 INFO L93 Difference]: Finished difference Result 3409 states and 5191 transitions. [2023-11-29 03:27:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:27:47,854 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2023-11-29 03:27:47,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:47,863 INFO L225 Difference]: With dead ends: 3409 [2023-11-29 03:27:47,863 INFO L226 Difference]: Without dead ends: 1716 [2023-11-29 03:27:47,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:27:47,866 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 1104 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 4992 SdHoareTripleChecker+Invalid, 3827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:47,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 4992 Invalid, 3827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-11-29 03:27:47,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-11-29 03:27:47,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1712. [2023-11-29 03:27:47,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1535 states have (on average 1.557654723127036) internal successors, (2391), 1597 states have internal predecessors, (2391), 105 states have call successors, (105), 25 states have call predecessors, (105), 25 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 03:27:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2601 transitions. [2023-11-29 03:27:47,915 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2601 transitions. Word has length 88 [2023-11-29 03:27:47,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:47,915 INFO L495 AbstractCegarLoop]: Abstraction has 1712 states and 2601 transitions. [2023-11-29 03:27:47,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 03:27:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2601 transitions. [2023-11-29 03:27:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 03:27:47,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:47,917 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:47,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 03:27:48,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:48,119 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:48,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:48,120 INFO L85 PathProgramCache]: Analyzing trace with hash 115655146, now seen corresponding path program 2 times [2023-11-29 03:27:48,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:48,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757518238] [2023-11-29 03:27:48,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:48,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:27:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:27:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 03:27:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-29 03:27:48,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:48,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757518238] [2023-11-29 03:27:48,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757518238] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:48,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803160851] [2023-11-29 03:27:48,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:27:48,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:48,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:48,644 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:48,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:27:49,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:27:49,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:27:49,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 2539 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 03:27:49,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-29 03:27:50,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:50,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803160851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:50,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:27:50,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2023-11-29 03:27:50,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615411928] [2023-11-29 03:27:50,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:50,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:27:50,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:50,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:27:50,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:27:50,145 INFO L87 Difference]: Start difference. First operand 1712 states and 2601 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:51,632 INFO L93 Difference]: Finished difference Result 4077 states and 6256 transitions. [2023-11-29 03:27:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:27:51,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 91 [2023-11-29 03:27:51,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:51,646 INFO L225 Difference]: With dead ends: 4077 [2023-11-29 03:27:51,646 INFO L226 Difference]: Without dead ends: 2404 [2023-11-29 03:27:51,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:27:51,651 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 2110 mSDsluCounter, 4783 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2111 SdHoareTripleChecker+Valid, 6184 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:51,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2111 Valid, 6184 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 03:27:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2023-11-29 03:27:51,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 1720. [2023-11-29 03:27:51,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1543 states have (on average 1.5547634478289047) internal successors, (2399), 1605 states have internal predecessors, (2399), 105 states have call successors, (105), 25 states have call predecessors, (105), 25 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 03:27:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2609 transitions. [2023-11-29 03:27:51,717 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2609 transitions. Word has length 91 [2023-11-29 03:27:51,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:51,717 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 2609 transitions. [2023-11-29 03:27:51,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:27:51,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2609 transitions. [2023-11-29 03:27:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-29 03:27:51,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:51,720 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:51,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 03:27:51,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 03:27:51,921 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:27:51,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:51,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1133600134, now seen corresponding path program 1 times [2023-11-29 03:27:51,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:51,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062647604] [2023-11-29 03:27:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:51,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:27:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:27:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 03:27:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 03:27:52,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:52,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062647604] [2023-11-29 03:27:52,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062647604] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:52,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26024064] [2023-11-29 03:27:52,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:52,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:27:52,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:52,394 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:27:52,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 03:27:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:53,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 2919 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:27:53,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 03:27:53,669 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:27:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 03:27:53,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26024064] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:27:53,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:27:53,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2023-11-29 03:27:53,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144526992] [2023-11-29 03:27:53,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:27:53,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 03:27:53,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:53,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 03:27:53,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:27:53,743 INFO L87 Difference]: Start difference. First operand 1720 states and 2609 transitions. Second operand has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 13 states have internal predecessors, (92), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 03:27:59,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:59,738 INFO L93 Difference]: Finished difference Result 3434 states and 5219 transitions. [2023-11-29 03:27:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:27:59,738 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 13 states have internal predecessors, (92), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 96 [2023-11-29 03:27:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:59,746 INFO L225 Difference]: With dead ends: 3434 [2023-11-29 03:27:59,746 INFO L226 Difference]: Without dead ends: 1730 [2023-11-29 03:27:59,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:27:59,749 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 1104 mSDsluCounter, 3486 mSDsCounter, 0 mSdLazyCounter, 2927 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 4266 SdHoareTripleChecker+Invalid, 3144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 2927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:59,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 4266 Invalid, 3144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 2927 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-29 03:27:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2023-11-29 03:27:59,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1726. [2023-11-29 03:27:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1726 states, 1549 states have (on average 1.552614590058102) internal successors, (2405), 1611 states have internal predecessors, (2405), 105 states have call successors, (105), 25 states have call predecessors, (105), 25 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 03:27:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2615 transitions. [2023-11-29 03:27:59,803 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2615 transitions. Word has length 96 [2023-11-29 03:27:59,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:59,803 INFO L495 AbstractCegarLoop]: Abstraction has 1726 states and 2615 transitions. [2023-11-29 03:27:59,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 13 states have internal predecessors, (92), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 03:27:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2615 transitions. [2023-11-29 03:27:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 03:27:59,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:59,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:59,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 03:28:00,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 03:28:00,006 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:00,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:00,006 INFO L85 PathProgramCache]: Analyzing trace with hash -2060228038, now seen corresponding path program 2 times [2023-11-29 03:28:00,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:00,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259516975] [2023-11-29 03:28:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:00,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:28:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 03:28:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-29 03:28:00,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:00,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259516975] [2023-11-29 03:28:00,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259516975] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:28:00,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270856093] [2023-11-29 03:28:00,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:28:00,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:28:00,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:28:00,595 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:28:00,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 03:28:01,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:28:01,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:28:01,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 2539 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:28:01,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 03:28:01,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:01,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270856093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:01,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:28:01,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-29 03:28:01,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883757618] [2023-11-29 03:28:01,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:01,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:28:01,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:01,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:28:01,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:28:01,946 INFO L87 Difference]: Start difference. First operand 1726 states and 2615 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:02,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:02,344 INFO L93 Difference]: Finished difference Result 3417 states and 5190 transitions. [2023-11-29 03:28:02,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:28:02,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 102 [2023-11-29 03:28:02,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:02,354 INFO L225 Difference]: With dead ends: 3417 [2023-11-29 03:28:02,355 INFO L226 Difference]: Without dead ends: 1727 [2023-11-29 03:28:02,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:28:02,360 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 1 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4000 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:02,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4000 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:28:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2023-11-29 03:28:02,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1727. [2023-11-29 03:28:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1727 states, 1550 states have (on average 1.552258064516129) internal successors, (2406), 1612 states have internal predecessors, (2406), 105 states have call successors, (105), 25 states have call predecessors, (105), 25 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-29 03:28:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2616 transitions. [2023-11-29 03:28:02,440 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2616 transitions. Word has length 102 [2023-11-29 03:28:02,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:02,441 INFO L495 AbstractCegarLoop]: Abstraction has 1727 states and 2616 transitions. [2023-11-29 03:28:02,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2616 transitions. [2023-11-29 03:28:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 03:28:02,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:02,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:02,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 03:28:02,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 03:28:02,649 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:02,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1970424573, now seen corresponding path program 1 times [2023-11-29 03:28:02,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:02,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815465372] [2023-11-29 03:28:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:28:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:28:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-29 03:28:03,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:03,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815465372] [2023-11-29 03:28:03,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815465372] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:28:03,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813276627] [2023-11-29 03:28:03,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:03,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:28:03,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:28:03,254 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:28:03,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 03:28:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:04,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:28:04,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-29 03:28:04,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:28:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-29 03:28:04,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813276627] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:28:04,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:28:04,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2023-11-29 03:28:04,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497495270] [2023-11-29 03:28:04,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:28:04,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:28:04,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:04,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:28:04,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:28:04,747 INFO L87 Difference]: Start difference. First operand 1727 states and 2616 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:28:12,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:12,631 INFO L93 Difference]: Finished difference Result 3419 states and 5198 transitions. [2023-11-29 03:28:12,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:28:12,631 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 103 [2023-11-29 03:28:12,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:12,642 INFO L225 Difference]: With dead ends: 3419 [2023-11-29 03:28:12,642 INFO L226 Difference]: Without dead ends: 1787 [2023-11-29 03:28:12,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:28:12,646 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 1139 mSDsluCounter, 3447 mSDsCounter, 0 mSdLazyCounter, 2974 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 4224 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 2974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:12,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 4224 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 2974 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-11-29 03:28:12,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2023-11-29 03:28:12,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1767. [2023-11-29 03:28:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1586 states have (on average 1.544766708701135) internal successors, (2450), 1648 states have internal predecessors, (2450), 109 states have call successors, (109), 25 states have call predecessors, (109), 25 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-11-29 03:28:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2668 transitions. [2023-11-29 03:28:12,705 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2668 transitions. Word has length 103 [2023-11-29 03:28:12,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:12,705 INFO L495 AbstractCegarLoop]: Abstraction has 1767 states and 2668 transitions. [2023-11-29 03:28:12,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:28:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2668 transitions. [2023-11-29 03:28:12,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 03:28:12,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:12,707 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:12,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 03:28:12,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 03:28:12,908 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:12,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:12,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1812974561, now seen corresponding path program 1 times [2023-11-29 03:28:12,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:12,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289608522] [2023-11-29 03:28:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:12,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:28:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:13,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:28:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:13,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:13,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289608522] [2023-11-29 03:28:13,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289608522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:13,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:13,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:28:13,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881804671] [2023-11-29 03:28:13,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:13,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:28:13,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:13,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:28:13,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:28:13,558 INFO L87 Difference]: Start difference. First operand 1767 states and 2668 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:21,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:21,839 INFO L93 Difference]: Finished difference Result 3400 states and 5127 transitions. [2023-11-29 03:28:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:28:21,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 106 [2023-11-29 03:28:21,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:21,845 INFO L225 Difference]: With dead ends: 3400 [2023-11-29 03:28:21,845 INFO L226 Difference]: Without dead ends: 2316 [2023-11-29 03:28:21,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:28:21,848 INFO L413 NwaCegarLoop]: 806 mSDtfsCounter, 1948 mSDsluCounter, 3401 mSDsCounter, 0 mSdLazyCounter, 3164 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 4207 SdHoareTripleChecker+Invalid, 3576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 3164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:21,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 4207 Invalid, 3576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 3164 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-11-29 03:28:21,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2023-11-29 03:28:21,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2147. [2023-11-29 03:28:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2147 states, 1931 states have (on average 1.5447954427757637) internal successors, (2983), 2005 states have internal predecessors, (2983), 144 states have call successors, (144), 25 states have call predecessors, (144), 25 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2023-11-29 03:28:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 3271 transitions. [2023-11-29 03:28:21,919 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 3271 transitions. Word has length 106 [2023-11-29 03:28:21,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:21,920 INFO L495 AbstractCegarLoop]: Abstraction has 2147 states and 3271 transitions. [2023-11-29 03:28:21,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 3271 transitions. [2023-11-29 03:28:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 03:28:21,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:21,922 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:21,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 03:28:21,922 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:21,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:21,923 INFO L85 PathProgramCache]: Analyzing trace with hash -992795540, now seen corresponding path program 1 times [2023-11-29 03:28:21,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:21,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804158683] [2023-11-29 03:28:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:21,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:28:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:28:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:22,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:22,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804158683] [2023-11-29 03:28:22,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804158683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:22,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:22,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:28:22,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791528629] [2023-11-29 03:28:22,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:22,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:28:22,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:22,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:28:22,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:28:22,453 INFO L87 Difference]: Start difference. First operand 2147 states and 3271 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:28:26,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:26,334 INFO L93 Difference]: Finished difference Result 3165 states and 4746 transitions. [2023-11-29 03:28:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:28:26,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 107 [2023-11-29 03:28:26,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:26,340 INFO L225 Difference]: With dead ends: 3165 [2023-11-29 03:28:26,340 INFO L226 Difference]: Without dead ends: 2145 [2023-11-29 03:28:26,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:28:26,345 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1102 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:26,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 2806 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 03:28:26,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2023-11-29 03:28:26,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2143. [2023-11-29 03:28:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2143 states, 1927 states have (on average 1.5417747794499221) internal successors, (2971), 2001 states have internal predecessors, (2971), 144 states have call successors, (144), 25 states have call predecessors, (144), 25 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2023-11-29 03:28:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 2143 states and 3259 transitions. [2023-11-29 03:28:26,446 INFO L78 Accepts]: Start accepts. Automaton has 2143 states and 3259 transitions. Word has length 107 [2023-11-29 03:28:26,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:26,446 INFO L495 AbstractCegarLoop]: Abstraction has 2143 states and 3259 transitions. [2023-11-29 03:28:26,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:28:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 3259 transitions. [2023-11-29 03:28:26,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 03:28:26,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:26,448 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:26,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:28:26,449 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:26,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:26,449 INFO L85 PathProgramCache]: Analyzing trace with hash 2119766102, now seen corresponding path program 1 times [2023-11-29 03:28:26,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:26,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417326631] [2023-11-29 03:28:26,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:26,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:28:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:28:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:26,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:26,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417326631] [2023-11-29 03:28:26,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417326631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:26,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:26,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:28:26,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964527477] [2023-11-29 03:28:26,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:26,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:28:26,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:26,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:28:26,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:28:26,892 INFO L87 Difference]: Start difference. First operand 2143 states and 3259 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:29,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:28:31,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:31,587 INFO L93 Difference]: Finished difference Result 4126 states and 6316 transitions. [2023-11-29 03:28:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:28:31,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 108 [2023-11-29 03:28:31,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:31,593 INFO L225 Difference]: With dead ends: 4126 [2023-11-29 03:28:31,593 INFO L226 Difference]: Without dead ends: 3214 [2023-11-29 03:28:31,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:28:31,596 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 1357 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:31,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 2750 Invalid, 1773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 03:28:31,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3214 states. [2023-11-29 03:28:31,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3214 to 3203. [2023-11-29 03:28:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 2951 states have (on average 1.568620806506269) internal successors, (4629), 3025 states have internal predecessors, (4629), 180 states have call successors, (180), 25 states have call predecessors, (180), 25 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180) [2023-11-29 03:28:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4989 transitions. [2023-11-29 03:28:31,704 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4989 transitions. Word has length 108 [2023-11-29 03:28:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:31,704 INFO L495 AbstractCegarLoop]: Abstraction has 3203 states and 4989 transitions. [2023-11-29 03:28:31,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4989 transitions. [2023-11-29 03:28:31,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 03:28:31,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:31,708 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:31,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 03:28:31,708 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:31,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash 853900437, now seen corresponding path program 1 times [2023-11-29 03:28:31,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:31,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423773147] [2023-11-29 03:28:31,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:31,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:28:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:28:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:32,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:32,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423773147] [2023-11-29 03:28:32,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423773147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:32,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:32,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:28:32,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793473148] [2023-11-29 03:28:32,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:32,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:28:32,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:32,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:28:32,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:28:32,362 INFO L87 Difference]: Start difference. First operand 3203 states and 4989 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:35,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:28:38,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:38,841 INFO L93 Difference]: Finished difference Result 7808 states and 12286 transitions. [2023-11-29 03:28:38,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:28:38,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 108 [2023-11-29 03:28:38,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:38,851 INFO L225 Difference]: With dead ends: 7808 [2023-11-29 03:28:38,851 INFO L226 Difference]: Without dead ends: 6416 [2023-11-29 03:28:38,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:28:38,854 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 1513 mSDsluCounter, 3123 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 2610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:38,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 3966 Invalid, 2610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 2375 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-11-29 03:28:38,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6416 states. [2023-11-29 03:28:39,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6416 to 6132. [2023-11-29 03:28:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6132 states, 5761 states have (on average 1.5919111265405312) internal successors, (9171), 5835 states have internal predecessors, (9171), 299 states have call successors, (299), 25 states have call predecessors, (299), 25 states have return successors, (299), 298 states have call predecessors, (299), 299 states have call successors, (299) [2023-11-29 03:28:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 6132 states and 9769 transitions. [2023-11-29 03:28:39,061 INFO L78 Accepts]: Start accepts. Automaton has 6132 states and 9769 transitions. Word has length 108 [2023-11-29 03:28:39,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:39,062 INFO L495 AbstractCegarLoop]: Abstraction has 6132 states and 9769 transitions. [2023-11-29 03:28:39,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:39,062 INFO L276 IsEmpty]: Start isEmpty. Operand 6132 states and 9769 transitions. [2023-11-29 03:28:39,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 03:28:39,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:39,068 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:39,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:28:39,069 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:39,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:39,069 INFO L85 PathProgramCache]: Analyzing trace with hash 719886931, now seen corresponding path program 1 times [2023-11-29 03:28:39,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:39,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233910] [2023-11-29 03:28:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:39,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:28:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:28:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:39,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:39,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233910] [2023-11-29 03:28:39,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233910] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:39,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:39,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:28:39,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325295776] [2023-11-29 03:28:39,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:39,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:28:39,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:39,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:28:39,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:28:39,411 INFO L87 Difference]: Start difference. First operand 6132 states and 9769 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:28:43,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:43,772 INFO L93 Difference]: Finished difference Result 9260 states and 14694 transitions. [2023-11-29 03:28:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:28:43,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 108 [2023-11-29 03:28:43,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:43,782 INFO L225 Difference]: With dead ends: 9260 [2023-11-29 03:28:43,782 INFO L226 Difference]: Without dead ends: 6102 [2023-11-29 03:28:43,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:28:43,787 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1102 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:43,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 2802 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 03:28:43,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6102 states. [2023-11-29 03:28:44,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6102 to 6100. [2023-11-29 03:28:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6100 states, 5737 states have (on average 1.5846261112079485) internal successors, (9091), 5811 states have internal predecessors, (9091), 291 states have call successors, (291), 25 states have call predecessors, (291), 25 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) [2023-11-29 03:28:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6100 states to 6100 states and 9673 transitions. [2023-11-29 03:28:44,167 INFO L78 Accepts]: Start accepts. Automaton has 6100 states and 9673 transitions. Word has length 108 [2023-11-29 03:28:44,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:44,168 INFO L495 AbstractCegarLoop]: Abstraction has 6100 states and 9673 transitions. [2023-11-29 03:28:44,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:28:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 6100 states and 9673 transitions. [2023-11-29 03:28:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 03:28:44,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:44,175 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:44,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:28:44,176 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting decode_format_stringErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:44,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:44,176 INFO L85 PathProgramCache]: Analyzing trace with hash 774592981, now seen corresponding path program 1 times [2023-11-29 03:28:44,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:44,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335379133] [2023-11-29 03:28:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:28:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:28:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:44,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:44,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335379133] [2023-11-29 03:28:44,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335379133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:44,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:44,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:28:44,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197011957] [2023-11-29 03:28:44,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:44,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:28:44,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:44,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:28:44,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:28:44,715 INFO L87 Difference]: Start difference. First operand 6100 states and 9673 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:28:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:52,266 INFO L93 Difference]: Finished difference Result 6202 states and 9820 transitions. [2023-11-29 03:28:52,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:28:52,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 111 [2023-11-29 03:28:52,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:52,281 INFO L225 Difference]: With dead ends: 6202 [2023-11-29 03:28:52,282 INFO L226 Difference]: Without dead ends: 6196 [2023-11-29 03:28:52,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:28:52,284 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1626 mSDsluCounter, 3479 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1626 SdHoareTripleChecker+Valid, 4258 SdHoareTripleChecker+Invalid, 3200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:52,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1626 Valid, 4258 Invalid, 3200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 2941 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-11-29 03:28:52,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6196 states. [2023-11-29 03:28:52,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6196 to 6176. [2023-11-29 03:28:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6176 states, 5806 states have (on average 1.5840509817430244) internal successors, (9197), 5880 states have internal predecessors, (9197), 297 states have call successors, (297), 26 states have call predecessors, (297), 26 states have return successors, (297), 296 states have call predecessors, (297), 297 states have call successors, (297) [2023-11-29 03:28:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6176 states to 6176 states and 9791 transitions. [2023-11-29 03:28:52,482 INFO L78 Accepts]: Start accepts. Automaton has 6176 states and 9791 transitions. Word has length 111 [2023-11-29 03:28:52,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:52,482 INFO L495 AbstractCegarLoop]: Abstraction has 6176 states and 9791 transitions. [2023-11-29 03:28:52,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:28:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand 6176 states and 9791 transitions. [2023-11-29 03:28:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 03:28:52,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:52,486 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:52,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 03:28:52,487 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:52,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:52,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1466407131, now seen corresponding path program 1 times [2023-11-29 03:28:52,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:52,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376779964] [2023-11-29 03:28:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:52,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:28:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:28:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:53,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:53,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376779964] [2023-11-29 03:28:53,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376779964] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:28:53,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618298945] [2023-11-29 03:28:53,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:53,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:28:53,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:28:53,260 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:28:53,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 03:28:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:54,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 3130 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:28:54,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:54,794 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:54,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618298945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:54,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:28:54,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-29 03:28:54,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355040190] [2023-11-29 03:28:54,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:54,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:28:54,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:54,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:28:54,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:28:54,796 INFO L87 Difference]: Start difference. First operand 6176 states and 9791 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:55,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:55,684 INFO L93 Difference]: Finished difference Result 10396 states and 16432 transitions. [2023-11-29 03:28:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:28:55,684 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 110 [2023-11-29 03:28:55,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:55,707 INFO L225 Difference]: With dead ends: 10396 [2023-11-29 03:28:55,707 INFO L226 Difference]: Without dead ends: 8480 [2023-11-29 03:28:55,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:28:55,715 INFO L413 NwaCegarLoop]: 1634 mSDtfsCounter, 644 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 6217 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:55,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 6217 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:28:55,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8480 states. [2023-11-29 03:28:55,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8480 to 8072. [2023-11-29 03:28:55,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8072 states, 7630 states have (on average 1.5954128440366973) internal successors, (12173), 7704 states have internal predecessors, (12173), 369 states have call successors, (369), 26 states have call predecessors, (369), 26 states have return successors, (369), 368 states have call predecessors, (369), 369 states have call successors, (369) [2023-11-29 03:28:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8072 states to 8072 states and 12911 transitions. [2023-11-29 03:28:55,954 INFO L78 Accepts]: Start accepts. Automaton has 8072 states and 12911 transitions. Word has length 110 [2023-11-29 03:28:55,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:55,954 INFO L495 AbstractCegarLoop]: Abstraction has 8072 states and 12911 transitions. [2023-11-29 03:28:55,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 8072 states and 12911 transitions. [2023-11-29 03:28:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 03:28:55,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:55,959 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:55,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 03:28:56,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 03:28:56,160 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:56,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:56,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1247552413, now seen corresponding path program 1 times [2023-11-29 03:28:56,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:56,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972209018] [2023-11-29 03:28:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:56,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:28:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:28:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:28:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:56,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:56,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972209018] [2023-11-29 03:28:56,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972209018] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:28:56,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003200174] [2023-11-29 03:28:56,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:56,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:28:56,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:28:56,853 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:28:56,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 03:28:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:58,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 3137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:28:58,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:58,469 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:28:58,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:58,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003200174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:58,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:28:58,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-29 03:28:58,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576203412] [2023-11-29 03:28:58,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:58,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:28:58,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:58,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:28:58,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:28:58,471 INFO L87 Difference]: Start difference. First operand 8072 states and 12911 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:59,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:28:59,198 INFO L93 Difference]: Finished difference Result 12181 states and 19323 transitions. [2023-11-29 03:28:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:28:59,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 110 [2023-11-29 03:28:59,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:28:59,213 INFO L225 Difference]: With dead ends: 12181 [2023-11-29 03:28:59,213 INFO L226 Difference]: Without dead ends: 11333 [2023-11-29 03:28:59,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:28:59,217 INFO L413 NwaCegarLoop]: 1715 mSDtfsCounter, 776 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 4679 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:28:59,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 4679 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:28:59,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11333 states. [2023-11-29 03:28:59,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11333 to 10592. [2023-11-29 03:28:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10592 states, 10046 states have (on average 1.6051164642643838) internal successors, (16125), 10120 states have internal predecessors, (16125), 473 states have call successors, (473), 26 states have call predecessors, (473), 26 states have return successors, (473), 472 states have call predecessors, (473), 473 states have call successors, (473) [2023-11-29 03:28:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10592 states to 10592 states and 17071 transitions. [2023-11-29 03:28:59,622 INFO L78 Accepts]: Start accepts. Automaton has 10592 states and 17071 transitions. Word has length 110 [2023-11-29 03:28:59,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:28:59,622 INFO L495 AbstractCegarLoop]: Abstraction has 10592 states and 17071 transitions. [2023-11-29 03:28:59,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:28:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 10592 states and 17071 transitions. [2023-11-29 03:28:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 03:28:59,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:28:59,630 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:59,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 03:28:59,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 03:28:59,831 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:28:59,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:59,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1619603734, now seen corresponding path program 1 times [2023-11-29 03:28:59,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:59,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737014830] [2023-11-29 03:28:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:59,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:29:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:29:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:29:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:29:00,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:00,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737014830] [2023-11-29 03:29:00,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737014830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:00,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:00,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:29:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985988824] [2023-11-29 03:29:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:00,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:29:00,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:00,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:29:00,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:29:00,448 INFO L87 Difference]: Start difference. First operand 10592 states and 17071 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:29:08,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:29:08,296 INFO L93 Difference]: Finished difference Result 13449 states and 21436 transitions. [2023-11-29 03:29:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:29:08,296 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 111 [2023-11-29 03:29:08,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:29:08,315 INFO L225 Difference]: With dead ends: 13449 [2023-11-29 03:29:08,315 INFO L226 Difference]: Without dead ends: 11981 [2023-11-29 03:29:08,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:29:08,321 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 1589 mSDsluCounter, 3701 mSDsCounter, 0 mSdLazyCounter, 3083 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 4473 SdHoareTripleChecker+Invalid, 3325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 3083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:29:08,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 4473 Invalid, 3325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 3083 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-11-29 03:29:08,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11981 states. [2023-11-29 03:29:08,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11981 to 11459. [2023-11-29 03:29:08,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11459 states, 10881 states have (on average 1.602793860858377) internal successors, (17440), 10955 states have internal predecessors, (17440), 505 states have call successors, (505), 26 states have call predecessors, (505), 26 states have return successors, (505), 504 states have call predecessors, (505), 505 states have call successors, (505) [2023-11-29 03:29:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11459 states to 11459 states and 18450 transitions. [2023-11-29 03:29:08,656 INFO L78 Accepts]: Start accepts. Automaton has 11459 states and 18450 transitions. Word has length 111 [2023-11-29 03:29:08,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:29:08,656 INFO L495 AbstractCegarLoop]: Abstraction has 11459 states and 18450 transitions. [2023-11-29 03:29:08,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:29:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 11459 states and 18450 transitions. [2023-11-29 03:29:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 03:29:08,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:29:08,662 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:29:08,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:29:08,662 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:29:08,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:08,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2098299801, now seen corresponding path program 1 times [2023-11-29 03:29:08,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:08,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991610274] [2023-11-29 03:29:08,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:08,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:29:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:29:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:29:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 03:29:09,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:09,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991610274] [2023-11-29 03:29:09,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991610274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:09,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:09,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:29:09,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546305312] [2023-11-29 03:29:09,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:09,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:29:09,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:09,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:29:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:29:09,283 INFO L87 Difference]: Start difference. First operand 11459 states and 18450 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:29:15,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:29:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:29:18,416 INFO L93 Difference]: Finished difference Result 14183 states and 22618 transitions. [2023-11-29 03:29:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:29:18,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 111 [2023-11-29 03:29:18,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:29:18,436 INFO L225 Difference]: With dead ends: 14183 [2023-11-29 03:29:18,436 INFO L226 Difference]: Without dead ends: 13335 [2023-11-29 03:29:18,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:29:18,441 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 1925 mSDsluCounter, 4621 mSDsCounter, 0 mSdLazyCounter, 3223 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 5644 SdHoareTripleChecker+Invalid, 3459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 3223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:29:18,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 5644 Invalid, 3459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 3223 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 03:29:18,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13335 states. [2023-11-29 03:29:18,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13335 to 12839. [2023-11-29 03:29:18,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12839 states, 12209 states have (on average 1.604554017528053) internal successors, (19590), 12283 states have internal predecessors, (19590), 557 states have call successors, (557), 26 states have call predecessors, (557), 26 states have return successors, (557), 556 states have call predecessors, (557), 557 states have call successors, (557) [2023-11-29 03:29:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12839 states to 12839 states and 20704 transitions. [2023-11-29 03:29:18,776 INFO L78 Accepts]: Start accepts. Automaton has 12839 states and 20704 transitions. Word has length 111 [2023-11-29 03:29:18,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:29:18,776 INFO L495 AbstractCegarLoop]: Abstraction has 12839 states and 20704 transitions. [2023-11-29 03:29:18,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:29:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12839 states and 20704 transitions. [2023-11-29 03:29:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 03:29:18,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:29:18,783 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:29:18,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 03:29:18,783 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:29:18,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:18,783 INFO L85 PathProgramCache]: Analyzing trace with hash 816048311, now seen corresponding path program 1 times [2023-11-29 03:29:18,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:18,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886719813] [2023-11-29 03:29:18,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:18,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:29:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:29:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:29:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:19,647 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 03:29:19,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:19,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886719813] [2023-11-29 03:29:19,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886719813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:19,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:19,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:29:19,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392877829] [2023-11-29 03:29:19,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:19,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:29:19,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:19,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:29:19,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:29:19,649 INFO L87 Difference]: Start difference. First operand 12839 states and 20704 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:29:27,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:29:27,582 INFO L93 Difference]: Finished difference Result 25507 states and 41227 transitions. [2023-11-29 03:29:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:29:27,583 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 112 [2023-11-29 03:29:27,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:29:27,600 INFO L225 Difference]: With dead ends: 25507 [2023-11-29 03:29:27,600 INFO L226 Difference]: Without dead ends: 12973 [2023-11-29 03:29:27,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:29:27,611 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 2670 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 3238 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2719 SdHoareTripleChecker+Valid, 3783 SdHoareTripleChecker+Invalid, 3510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 3238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:29:27,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2719 Valid, 3783 Invalid, 3510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 3238 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-11-29 03:29:27,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2023-11-29 03:29:27,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12851. [2023-11-29 03:29:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12851 states, 12221 states have (on average 1.604615006955241) internal successors, (19610), 12295 states have internal predecessors, (19610), 557 states have call successors, (557), 26 states have call predecessors, (557), 26 states have return successors, (557), 556 states have call predecessors, (557), 557 states have call successors, (557) [2023-11-29 03:29:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12851 states to 12851 states and 20724 transitions. [2023-11-29 03:29:27,992 INFO L78 Accepts]: Start accepts. Automaton has 12851 states and 20724 transitions. Word has length 112 [2023-11-29 03:29:27,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:29:27,992 INFO L495 AbstractCegarLoop]: Abstraction has 12851 states and 20724 transitions. [2023-11-29 03:29:27,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:29:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 12851 states and 20724 transitions. [2023-11-29 03:29:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 03:29:27,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:29:27,999 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:29:27,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 03:29:27,999 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:29:27,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:27,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1985937567, now seen corresponding path program 1 times [2023-11-29 03:29:27,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:27,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478594480] [2023-11-29 03:29:28,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:28,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:29:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:29,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:29:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:29:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 03:29:29,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:29,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478594480] [2023-11-29 03:29:29,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478594480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:29,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:29,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:29:29,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777782222] [2023-11-29 03:29:29,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:29,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:29:29,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:29,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:29:29,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:29:29,057 INFO L87 Difference]: Start difference. First operand 12851 states and 20724 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:29:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:29:35,165 INFO L93 Difference]: Finished difference Result 17803 states and 28601 transitions. [2023-11-29 03:29:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:29:35,166 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 112 [2023-11-29 03:29:35,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:29:35,185 INFO L225 Difference]: With dead ends: 17803 [2023-11-29 03:29:35,185 INFO L226 Difference]: Without dead ends: 12973 [2023-11-29 03:29:35,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:29:35,192 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 2667 mSDsluCounter, 2435 mSDsCounter, 0 mSdLazyCounter, 2468 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 3182 SdHoareTripleChecker+Invalid, 2740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 2468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:29:35,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2716 Valid, 3182 Invalid, 2740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 03:29:35,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2023-11-29 03:29:35,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12855. [2023-11-29 03:29:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 12225 states have (on average 1.6044171779141105) internal successors, (19614), 12299 states have internal predecessors, (19614), 557 states have call successors, (557), 26 states have call predecessors, (557), 26 states have return successors, (557), 556 states have call predecessors, (557), 557 states have call successors, (557) [2023-11-29 03:29:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 20728 transitions. [2023-11-29 03:29:35,606 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 20728 transitions. Word has length 112 [2023-11-29 03:29:35,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:29:35,606 INFO L495 AbstractCegarLoop]: Abstraction has 12855 states and 20728 transitions. [2023-11-29 03:29:35,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:29:35,606 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 20728 transitions. [2023-11-29 03:29:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 03:29:35,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:29:35,614 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:29:35,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 03:29:35,614 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting decode_format_stringErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:29:35,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:35,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1684984193, now seen corresponding path program 1 times [2023-11-29 03:29:35,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:35,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562323589] [2023-11-29 03:29:35,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:35,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:29:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:35,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:29:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:29:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:29:36,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:36,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562323589] [2023-11-29 03:29:36,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562323589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:36,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:36,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:29:36,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187983636] [2023-11-29 03:29:36,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:36,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:29:36,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:36,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:29:36,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:29:36,028 INFO L87 Difference]: Start difference. First operand 12855 states and 20728 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:29:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:29:44,015 INFO L93 Difference]: Finished difference Result 12957 states and 20875 transitions. [2023-11-29 03:29:44,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:29:44,016 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 113 [2023-11-29 03:29:44,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:29:44,033 INFO L225 Difference]: With dead ends: 12957 [2023-11-29 03:29:44,033 INFO L226 Difference]: Without dead ends: 12951 [2023-11-29 03:29:44,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:29:44,037 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1416 mSDsluCounter, 3479 mSDsCounter, 0 mSdLazyCounter, 3097 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 4258 SdHoareTripleChecker+Invalid, 3336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 3097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:29:44,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 4258 Invalid, 3336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 3097 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-29 03:29:44,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12951 states. [2023-11-29 03:29:44,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12951 to 12931. [2023-11-29 03:29:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12931 states, 12294 states have (on average 1.6040344883683098) internal successors, (19720), 12368 states have internal predecessors, (19720), 563 states have call successors, (563), 27 states have call predecessors, (563), 27 states have return successors, (563), 562 states have call predecessors, (563), 563 states have call successors, (563) [2023-11-29 03:29:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12931 states to 12931 states and 20846 transitions. [2023-11-29 03:29:44,420 INFO L78 Accepts]: Start accepts. Automaton has 12931 states and 20846 transitions. Word has length 113 [2023-11-29 03:29:44,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:29:44,420 INFO L495 AbstractCegarLoop]: Abstraction has 12931 states and 20846 transitions. [2023-11-29 03:29:44,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:29:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12931 states and 20846 transitions. [2023-11-29 03:29:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 03:29:44,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:29:44,427 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:29:44,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 03:29:44,427 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:29:44,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:44,428 INFO L85 PathProgramCache]: Analyzing trace with hash -842768829, now seen corresponding path program 1 times [2023-11-29 03:29:44,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:44,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644546343] [2023-11-29 03:29:44,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:44,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:29:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:29:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:29:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:29:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 03:29:44,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644546343] [2023-11-29 03:29:44,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644546343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:44,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:44,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:29:44,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061329847] [2023-11-29 03:29:44,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:44,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:29:44,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:29:44,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:29:44,743 INFO L87 Difference]: Start difference. First operand 12931 states and 20846 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:29:48,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:29:48,970 INFO L93 Difference]: Finished difference Result 19497 states and 31435 transitions. [2023-11-29 03:29:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:29:48,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 114 [2023-11-29 03:29:48,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:29:48,988 INFO L225 Difference]: With dead ends: 19497 [2023-11-29 03:29:48,988 INFO L226 Difference]: Without dead ends: 13017 [2023-11-29 03:29:48,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:29:48,996 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1102 mSDsluCounter, 2028 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:29:48,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 2807 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 03:29:49,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13017 states. [2023-11-29 03:29:49,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13017 to 12977. [2023-11-29 03:29:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12977 states, 12340 states have (on average 1.6017828200972448) internal successors, (19766), 12414 states have internal predecessors, (19766), 563 states have call successors, (563), 27 states have call predecessors, (563), 27 states have return successors, (563), 562 states have call predecessors, (563), 563 states have call successors, (563) [2023-11-29 03:29:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12977 states to 12977 states and 20892 transitions. [2023-11-29 03:29:49,387 INFO L78 Accepts]: Start accepts. Automaton has 12977 states and 20892 transitions. Word has length 114 [2023-11-29 03:29:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:29:49,388 INFO L495 AbstractCegarLoop]: Abstraction has 12977 states and 20892 transitions. [2023-11-29 03:29:49,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:29:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12977 states and 20892 transitions. [2023-11-29 03:29:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 03:29:49,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:29:49,394 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:29:49,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 03:29:49,395 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:29:49,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:49,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1352241919, now seen corresponding path program 1 times [2023-11-29 03:29:49,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:49,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163360972] [2023-11-29 03:29:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:29:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:29:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:29:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:29:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 03:29:49,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:49,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163360972] [2023-11-29 03:29:49,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163360972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:49,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:49,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:29:49,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222914660] [2023-11-29 03:29:49,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:49,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:29:49,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:49,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:29:49,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:29:49,782 INFO L87 Difference]: Start difference. First operand 12977 states and 20892 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:29:56,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:29:56,573 INFO L93 Difference]: Finished difference Result 20385 states and 32697 transitions. [2023-11-29 03:29:56,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:29:56,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 114 [2023-11-29 03:29:56,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:29:56,590 INFO L225 Difference]: With dead ends: 20385 [2023-11-29 03:29:56,590 INFO L226 Difference]: Without dead ends: 13607 [2023-11-29 03:29:56,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:29:56,597 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 1111 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 3510 SdHoareTripleChecker+Invalid, 2465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:29:56,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 3510 Invalid, 2465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 2248 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-29 03:29:56,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13607 states. [2023-11-29 03:29:56,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13607 to 13305. [2023-11-29 03:29:56,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13305 states, 12668 states have (on average 1.5862014524786865) internal successors, (20094), 12742 states have internal predecessors, (20094), 563 states have call successors, (563), 27 states have call predecessors, (563), 27 states have return successors, (563), 562 states have call predecessors, (563), 563 states have call successors, (563) [2023-11-29 03:29:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13305 states to 13305 states and 21220 transitions. [2023-11-29 03:29:56,954 INFO L78 Accepts]: Start accepts. Automaton has 13305 states and 21220 transitions. Word has length 114 [2023-11-29 03:29:56,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:29:56,955 INFO L495 AbstractCegarLoop]: Abstraction has 13305 states and 21220 transitions. [2023-11-29 03:29:56,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:29:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 13305 states and 21220 transitions. [2023-11-29 03:29:56,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 03:29:56,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:29:56,964 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:29:56,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 03:29:56,964 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:29:56,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:56,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1354377475, now seen corresponding path program 1 times [2023-11-29 03:29:56,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:29:56,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116423616] [2023-11-29 03:29:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:56,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:29:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:29:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:29:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:57,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:29:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 03:29:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 03:29:57,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:29:57,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116423616] [2023-11-29 03:29:57,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116423616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:57,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:57,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:29:57,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352628516] [2023-11-29 03:29:57,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:57,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:29:57,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:29:57,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:29:57,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:29:57,734 INFO L87 Difference]: Start difference. First operand 13305 states and 21220 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:30:05,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:30:05,945 INFO L93 Difference]: Finished difference Result 15408 states and 24237 transitions. [2023-11-29 03:30:05,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:30:05,945 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 114 [2023-11-29 03:30:05,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:30:05,957 INFO L225 Difference]: With dead ends: 15408 [2023-11-29 03:30:05,957 INFO L226 Difference]: Without dead ends: 10150 [2023-11-29 03:30:05,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:30:05,961 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1289 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 3661 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 4952 SdHoareTripleChecker+Invalid, 3884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 3661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:30:05,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 4952 Invalid, 3884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 3661 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-11-29 03:30:05,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10150 states. [2023-11-29 03:30:06,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10150 to 9865. [2023-11-29 03:30:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9865 states, 9412 states have (on average 1.574585635359116) internal successors, (14820), 9486 states have internal predecessors, (14820), 379 states have call successors, (379), 27 states have call predecessors, (379), 27 states have return successors, (379), 378 states have call predecessors, (379), 379 states have call successors, (379) [2023-11-29 03:30:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9865 states to 9865 states and 15578 transitions. [2023-11-29 03:30:06,217 INFO L78 Accepts]: Start accepts. Automaton has 9865 states and 15578 transitions. Word has length 114 [2023-11-29 03:30:06,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:30:06,217 INFO L495 AbstractCegarLoop]: Abstraction has 9865 states and 15578 transitions. [2023-11-29 03:30:06,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:30:06,217 INFO L276 IsEmpty]: Start isEmpty. Operand 9865 states and 15578 transitions. [2023-11-29 03:30:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 03:30:06,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:30:06,222 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:30:06,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 03:30:06,222 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:30:06,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:30:06,223 INFO L85 PathProgramCache]: Analyzing trace with hash 759361988, now seen corresponding path program 1 times [2023-11-29 03:30:06,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:30:06,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940232506] [2023-11-29 03:30:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:30:06,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:30:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:06,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:30:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:30:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:30:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-29 03:30:07,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:30:07,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940232506] [2023-11-29 03:30:07,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940232506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:30:07,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:30:07,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:30:07,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117219978] [2023-11-29 03:30:07,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:30:07,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:30:07,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:30:07,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:30:07,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:30:07,066 INFO L87 Difference]: Start difference. First operand 9865 states and 15578 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:30:11,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:30:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:30:13,744 INFO L93 Difference]: Finished difference Result 19515 states and 30899 transitions. [2023-11-29 03:30:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:30:13,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 113 [2023-11-29 03:30:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:30:13,757 INFO L225 Difference]: With dead ends: 19515 [2023-11-29 03:30:13,757 INFO L226 Difference]: Without dead ends: 9971 [2023-11-29 03:30:13,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:30:13,766 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 2650 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 2464 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2699 SdHoareTripleChecker+Valid, 3181 SdHoareTripleChecker+Invalid, 2736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 2464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:30:13,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2699 Valid, 3181 Invalid, 2736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 2464 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-29 03:30:13,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9971 states. [2023-11-29 03:30:14,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9971 to 9865. [2023-11-29 03:30:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9865 states, 9412 states have (on average 1.5741606459838504) internal successors, (14816), 9486 states have internal predecessors, (14816), 379 states have call successors, (379), 27 states have call predecessors, (379), 27 states have return successors, (379), 378 states have call predecessors, (379), 379 states have call successors, (379) [2023-11-29 03:30:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9865 states to 9865 states and 15574 transitions. [2023-11-29 03:30:14,070 INFO L78 Accepts]: Start accepts. Automaton has 9865 states and 15574 transitions. Word has length 113 [2023-11-29 03:30:14,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:30:14,070 INFO L495 AbstractCegarLoop]: Abstraction has 9865 states and 15574 transitions. [2023-11-29 03:30:14,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:30:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand 9865 states and 15574 transitions. [2023-11-29 03:30:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 03:30:14,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:30:14,075 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:30:14,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 03:30:14,075 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting decode_format_stringErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:30:14,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:30:14,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1365227501, now seen corresponding path program 1 times [2023-11-29 03:30:14,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:30:14,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306921992] [2023-11-29 03:30:14,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:30:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:30:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:30:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:30:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:30:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:30:14,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:30:14,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306921992] [2023-11-29 03:30:14,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306921992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:30:14,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:30:14,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:30:14,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463789691] [2023-11-29 03:30:14,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:30:14,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:30:14,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:30:14,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:30:14,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:30:14,512 INFO L87 Difference]: Start difference. First operand 9865 states and 15574 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:30:22,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:30:22,852 INFO L93 Difference]: Finished difference Result 9967 states and 15721 transitions. [2023-11-29 03:30:22,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:30:22,853 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 115 [2023-11-29 03:30:22,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:30:22,864 INFO L225 Difference]: With dead ends: 9967 [2023-11-29 03:30:22,865 INFO L226 Difference]: Without dead ends: 9961 [2023-11-29 03:30:22,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:30:22,867 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1434 mSDsluCounter, 3479 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 4258 SdHoareTripleChecker+Invalid, 3328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:30:22,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 4258 Invalid, 3328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-11-29 03:30:22,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9961 states. [2023-11-29 03:30:23,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9961 to 9941. [2023-11-29 03:30:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9941 states, 9481 states have (on average 1.573884611327919) internal successors, (14922), 9555 states have internal predecessors, (14922), 385 states have call successors, (385), 28 states have call predecessors, (385), 28 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) [2023-11-29 03:30:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9941 states to 9941 states and 15692 transitions. [2023-11-29 03:30:23,127 INFO L78 Accepts]: Start accepts. Automaton has 9941 states and 15692 transitions. Word has length 115 [2023-11-29 03:30:23,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:30:23,128 INFO L495 AbstractCegarLoop]: Abstraction has 9941 states and 15692 transitions. [2023-11-29 03:30:23,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:30:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9941 states and 15692 transitions. [2023-11-29 03:30:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 03:30:23,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:30:23,132 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:30:23,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 03:30:23,132 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:30:23,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:30:23,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1821829011, now seen corresponding path program 1 times [2023-11-29 03:30:23,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:30:23,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044033347] [2023-11-29 03:30:23,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:30:23,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:30:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:30:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:30:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:30:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:30:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-29 03:30:23,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:30:23,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044033347] [2023-11-29 03:30:23,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044033347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:30:23,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:30:23,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:30:23,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560313693] [2023-11-29 03:30:23,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:30:23,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:30:23,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:30:23,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:30:23,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:30:23,716 INFO L87 Difference]: Start difference. First operand 9941 states and 15692 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:30:29,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:30:32,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:30:32,197 INFO L93 Difference]: Finished difference Result 14028 states and 21974 transitions. [2023-11-29 03:30:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:30:32,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 116 [2023-11-29 03:30:32,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:30:32,211 INFO L225 Difference]: With dead ends: 14028 [2023-11-29 03:30:32,211 INFO L226 Difference]: Without dead ends: 11002 [2023-11-29 03:30:32,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:30:32,216 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 1606 mSDsluCounter, 3395 mSDsCounter, 0 mSdLazyCounter, 2971 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1649 SdHoareTripleChecker+Valid, 4172 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 2971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:30:32,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1649 Valid, 4172 Invalid, 3273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 2971 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-11-29 03:30:32,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11002 states. [2023-11-29 03:30:32,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11002 to 9985. [2023-11-29 03:30:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9985 states, 9525 states have (on average 1.571233595800525) internal successors, (14966), 9599 states have internal predecessors, (14966), 385 states have call successors, (385), 28 states have call predecessors, (385), 28 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) [2023-11-29 03:30:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9985 states to 9985 states and 15736 transitions. [2023-11-29 03:30:32,499 INFO L78 Accepts]: Start accepts. Automaton has 9985 states and 15736 transitions. Word has length 116 [2023-11-29 03:30:32,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:30:32,500 INFO L495 AbstractCegarLoop]: Abstraction has 9985 states and 15736 transitions. [2023-11-29 03:30:32,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:30:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 9985 states and 15736 transitions. [2023-11-29 03:30:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 03:30:32,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:30:32,504 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:30:32,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 03:30:32,504 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting decode_format_stringErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:30:32,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:30:32,505 INFO L85 PathProgramCache]: Analyzing trace with hash -10658535, now seen corresponding path program 1 times [2023-11-29 03:30:32,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:30:32,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429465693] [2023-11-29 03:30:32,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:30:32,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:30:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:30:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:30:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:30:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:30:32,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:30:32,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429465693] [2023-11-29 03:30:32,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429465693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:30:32,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:30:32,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:30:32,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876233486] [2023-11-29 03:30:32,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:30:32,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:30:32,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:30:32,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:30:32,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:30:32,983 INFO L87 Difference]: Start difference. First operand 9985 states and 15736 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:30:41,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:30:41,594 INFO L93 Difference]: Finished difference Result 10087 states and 15883 transitions. [2023-11-29 03:30:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:30:41,595 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 117 [2023-11-29 03:30:41,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:30:41,607 INFO L225 Difference]: With dead ends: 10087 [2023-11-29 03:30:41,607 INFO L226 Difference]: Without dead ends: 10081 [2023-11-29 03:30:41,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:30:41,610 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1416 mSDsluCounter, 3479 mSDsCounter, 0 mSdLazyCounter, 3097 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 4258 SdHoareTripleChecker+Invalid, 3336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 3097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:30:41,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 4258 Invalid, 3336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 3097 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-11-29 03:30:41,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10081 states. [2023-11-29 03:30:41,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10081 to 10061. [2023-11-29 03:30:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10061 states, 9594 states have (on average 1.5709818636647905) internal successors, (15072), 9668 states have internal predecessors, (15072), 391 states have call successors, (391), 29 states have call predecessors, (391), 29 states have return successors, (391), 390 states have call predecessors, (391), 391 states have call successors, (391) [2023-11-29 03:30:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10061 states to 10061 states and 15854 transitions. [2023-11-29 03:30:41,904 INFO L78 Accepts]: Start accepts. Automaton has 10061 states and 15854 transitions. Word has length 117 [2023-11-29 03:30:41,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:30:41,904 INFO L495 AbstractCegarLoop]: Abstraction has 10061 states and 15854 transitions. [2023-11-29 03:30:41,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:30:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 10061 states and 15854 transitions. [2023-11-29 03:30:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 03:30:41,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:30:41,909 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:30:41,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 03:30:41,909 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:30:41,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:30:41,909 INFO L85 PathProgramCache]: Analyzing trace with hash -714363171, now seen corresponding path program 1 times [2023-11-29 03:30:41,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:30:41,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698826081] [2023-11-29 03:30:41,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:30:41,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:30:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:30:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:30:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:30:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:30:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 03:30:42,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:30:42,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698826081] [2023-11-29 03:30:42,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698826081] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:30:42,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321767690] [2023-11-29 03:30:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:30:42,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:30:42,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:30:42,688 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:30:42,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 03:30:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:30:44,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 3160 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:30:44,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:30:44,483 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-29 03:30:44,483 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:30:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 03:30:44,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321767690] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:30:44,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:30:44,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 8] total 15 [2023-11-29 03:30:44,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978724418] [2023-11-29 03:30:44,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:30:44,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 03:30:44,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:30:44,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 03:30:44,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:30:44,597 INFO L87 Difference]: Start difference. First operand 10061 states and 15854 transitions. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 13 states have internal predecessors, (109), 5 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 03:30:50,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:30:59,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:30:59,682 INFO L93 Difference]: Finished difference Result 19382 states and 30444 transitions. [2023-11-29 03:30:59,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 03:30:59,682 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 13 states have internal predecessors, (109), 5 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 117 [2023-11-29 03:30:59,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:30:59,700 INFO L225 Difference]: With dead ends: 19382 [2023-11-29 03:30:59,700 INFO L226 Difference]: Without dead ends: 15960 [2023-11-29 03:30:59,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 233 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2023-11-29 03:30:59,705 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 3308 mSDsluCounter, 6609 mSDsCounter, 0 mSdLazyCounter, 6138 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 7376 SdHoareTripleChecker+Invalid, 6472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 6138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:30:59,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3361 Valid, 7376 Invalid, 6472 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [334 Valid, 6138 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2023-11-29 03:30:59,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15960 states. [2023-11-29 03:31:00,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15960 to 13419. [2023-11-29 03:31:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13419 states, 12833 states have (on average 1.5774175952622147) internal successors, (20243), 12907 states have internal predecessors, (20243), 510 states have call successors, (510), 29 states have call predecessors, (510), 29 states have return successors, (510), 509 states have call predecessors, (510), 510 states have call successors, (510) [2023-11-29 03:31:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13419 states to 13419 states and 21263 transitions. [2023-11-29 03:31:00,102 INFO L78 Accepts]: Start accepts. Automaton has 13419 states and 21263 transitions. Word has length 117 [2023-11-29 03:31:00,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:31:00,103 INFO L495 AbstractCegarLoop]: Abstraction has 13419 states and 21263 transitions. [2023-11-29 03:31:00,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 13 states have internal predecessors, (109), 5 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 03:31:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 13419 states and 21263 transitions. [2023-11-29 03:31:00,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 03:31:00,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:31:00,109 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:31:00,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 03:31:00,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2023-11-29 03:31:00,310 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:31:00,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:31:00,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1992256223, now seen corresponding path program 1 times [2023-11-29 03:31:00,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:31:00,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338529317] [2023-11-29 03:31:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:31:00,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:31:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:31:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:01,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:31:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:31:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 03:31:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:01,217 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-29 03:31:01,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:31:01,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338529317] [2023-11-29 03:31:01,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338529317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:31:01,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:31:01,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:31:01,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917527134] [2023-11-29 03:31:01,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:31:01,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:31:01,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:31:01,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:31:01,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:31:01,219 INFO L87 Difference]: Start difference. First operand 13419 states and 21263 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:31:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:31:07,685 INFO L93 Difference]: Finished difference Result 26533 states and 42166 transitions. [2023-11-29 03:31:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:31:07,686 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 117 [2023-11-29 03:31:07,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:31:07,708 INFO L225 Difference]: With dead ends: 26533 [2023-11-29 03:31:07,709 INFO L226 Difference]: Without dead ends: 13577 [2023-11-29 03:31:07,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:31:07,719 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 2460 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 2464 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2509 SdHoareTripleChecker+Valid, 3180 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 2464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:31:07,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2509 Valid, 3180 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 2464 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-29 03:31:07,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13577 states. [2023-11-29 03:31:08,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13577 to 13419. [2023-11-29 03:31:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13419 states, 12833 states have (on average 1.5769500506506662) internal successors, (20237), 12907 states have internal predecessors, (20237), 510 states have call successors, (510), 29 states have call predecessors, (510), 29 states have return successors, (510), 509 states have call predecessors, (510), 510 states have call successors, (510) [2023-11-29 03:31:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13419 states to 13419 states and 21257 transitions. [2023-11-29 03:31:08,101 INFO L78 Accepts]: Start accepts. Automaton has 13419 states and 21257 transitions. Word has length 117 [2023-11-29 03:31:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:31:08,101 INFO L495 AbstractCegarLoop]: Abstraction has 13419 states and 21257 transitions. [2023-11-29 03:31:08,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:31:08,102 INFO L276 IsEmpty]: Start isEmpty. Operand 13419 states and 21257 transitions. [2023-11-29 03:31:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 03:31:08,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:31:08,107 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:31:08,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 03:31:08,108 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:31:08,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:31:08,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1266577133, now seen corresponding path program 1 times [2023-11-29 03:31:08,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:31:08,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010705294] [2023-11-29 03:31:08,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:31:08,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:31:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:31:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:31:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:08,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:31:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 03:31:08,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:31:08,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010705294] [2023-11-29 03:31:08,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010705294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:31:08,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:31:08,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:31:08,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116269076] [2023-11-29 03:31:08,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:31:08,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:31:08,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:31:08,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:31:08,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:31:08,411 INFO L87 Difference]: Start difference. First operand 13419 states and 21257 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:31:13,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:31:13,302 INFO L93 Difference]: Finished difference Result 25729 states and 40399 transitions. [2023-11-29 03:31:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:31:13,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 117 [2023-11-29 03:31:13,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:31:13,326 INFO L225 Difference]: With dead ends: 25729 [2023-11-29 03:31:13,326 INFO L226 Difference]: Without dead ends: 18405 [2023-11-29 03:31:13,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:31:13,335 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 1313 mSDsluCounter, 1963 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 2777 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:31:13,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 2777 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 03:31:13,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18405 states. [2023-11-29 03:31:13,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18405 to 13627. [2023-11-29 03:31:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13627 states, 13041 states have (on average 1.5757227206502569) internal successors, (20549), 13115 states have internal predecessors, (20549), 510 states have call successors, (510), 29 states have call predecessors, (510), 29 states have return successors, (510), 509 states have call predecessors, (510), 510 states have call successors, (510) [2023-11-29 03:31:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13627 states to 13627 states and 21569 transitions. [2023-11-29 03:31:13,816 INFO L78 Accepts]: Start accepts. Automaton has 13627 states and 21569 transitions. Word has length 117 [2023-11-29 03:31:13,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:31:13,816 INFO L495 AbstractCegarLoop]: Abstraction has 13627 states and 21569 transitions. [2023-11-29 03:31:13,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:31:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 13627 states and 21569 transitions. [2023-11-29 03:31:13,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:31:13,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:31:13,823 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:31:13,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 03:31:13,823 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:31:13,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:31:13,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1312871259, now seen corresponding path program 1 times [2023-11-29 03:31:13,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:31:13,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950836600] [2023-11-29 03:31:13,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:31:13,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:31:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:31:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:31:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:31:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:14,694 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-29 03:31:14,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:31:14,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950836600] [2023-11-29 03:31:14,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950836600] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:31:14,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308438656] [2023-11-29 03:31:14,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:31:14,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:31:14,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:31:14,696 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:31:14,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 03:31:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:16,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 3153 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 03:31:16,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:31:16,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 03:31:16,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-29 03:31:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 03:31:16,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:31:16,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308438656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:31:16,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:31:16,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2023-11-29 03:31:16,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799348203] [2023-11-29 03:31:16,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:31:16,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 03:31:16,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:31:16,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 03:31:16,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:31:16,836 INFO L87 Difference]: Start difference. First operand 13627 states and 21569 transitions. Second operand has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:31:20,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:31:20,146 INFO L93 Difference]: Finished difference Result 46313 states and 73331 transitions. [2023-11-29 03:31:20,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:31:20,146 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 118 [2023-11-29 03:31:20,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:31:20,197 INFO L225 Difference]: With dead ends: 46313 [2023-11-29 03:31:20,197 INFO L226 Difference]: Without dead ends: 44853 [2023-11-29 03:31:20,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:31:20,204 INFO L413 NwaCegarLoop]: 1329 mSDtfsCounter, 2295 mSDsluCounter, 7995 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 9324 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:31:20,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2310 Valid, 9324 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:31:20,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44853 states. [2023-11-29 03:31:21,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44853 to 24351. [2023-11-29 03:31:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24351 states, 23401 states have (on average 1.5853596000170933) internal successors, (37099), 23475 states have internal predecessors, (37099), 874 states have call successors, (874), 29 states have call predecessors, (874), 29 states have return successors, (874), 873 states have call predecessors, (874), 874 states have call successors, (874) [2023-11-29 03:31:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24351 states to 24351 states and 38847 transitions. [2023-11-29 03:31:21,298 INFO L78 Accepts]: Start accepts. Automaton has 24351 states and 38847 transitions. Word has length 118 [2023-11-29 03:31:21,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:31:21,298 INFO L495 AbstractCegarLoop]: Abstraction has 24351 states and 38847 transitions. [2023-11-29 03:31:21,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:31:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 24351 states and 38847 transitions. [2023-11-29 03:31:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 03:31:21,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:31:21,314 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:31:21,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-29 03:31:21,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:31:21,515 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:31:21,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:31:21,515 INFO L85 PathProgramCache]: Analyzing trace with hash 265801794, now seen corresponding path program 1 times [2023-11-29 03:31:21,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:31:21,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911292934] [2023-11-29 03:31:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:31:21,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:31:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:31:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:31:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 03:31:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-29 03:31:22,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:31:22,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911292934] [2023-11-29 03:31:22,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911292934] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:31:22,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354363806] [2023-11-29 03:31:22,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:31:22,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:31:22,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:31:22,449 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:31:22,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 03:31:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:31:24,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 3164 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-29 03:31:24,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:31:24,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:31:24,848 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-29 03:31:24,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:31:25,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:31:25,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 19 [2023-11-29 03:31:25,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2023-11-29 03:31:25,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2023-11-29 03:31:25,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2023-11-29 03:31:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-29 03:31:25,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354363806] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:31:25,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:31:25,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 14] total 30 [2023-11-29 03:31:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172803182] [2023-11-29 03:31:25,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:31:25,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-29 03:31:25,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:31:25,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 03:31:25,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=778, Unknown=0, NotChecked=0, Total=870 [2023-11-29 03:31:25,580 INFO L87 Difference]: Start difference. First operand 24351 states and 38847 transitions. Second operand has 30 states, 27 states have (on average 6.777777777777778) internal successors, (183), 27 states have internal predecessors, (183), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 4 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 03:32:02,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:32:02,375 INFO L93 Difference]: Finished difference Result 85194 states and 134152 transitions. [2023-11-29 03:32:02,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-29 03:32:02,375 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 6.777777777777778) internal successors, (183), 27 states have internal predecessors, (183), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 4 states have call predecessors, (7), 6 states have call successors, (7) Word has length 122 [2023-11-29 03:32:02,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:32:02,452 INFO L225 Difference]: With dead ends: 85194 [2023-11-29 03:32:02,453 INFO L226 Difference]: Without dead ends: 60744 [2023-11-29 03:32:02,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1129 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=617, Invalid=4353, Unknown=0, NotChecked=0, Total=4970 [2023-11-29 03:32:02,469 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 3771 mSDsluCounter, 13963 mSDsCounter, 0 mSdLazyCounter, 13879 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3786 SdHoareTripleChecker+Valid, 14945 SdHoareTripleChecker+Invalid, 14228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 13879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:32:02,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3786 Valid, 14945 Invalid, 14228 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [349 Valid, 13879 Invalid, 0 Unknown, 0 Unchecked, 32.7s Time] [2023-11-29 03:32:02,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60744 states. [2023-11-29 03:32:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60744 to 25555. [2023-11-29 03:32:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25555 states, 24586 states have (on average 1.5746766452452616) internal successors, (38715), 24660 states have internal predecessors, (38715), 892 states have call successors, (892), 30 states have call predecessors, (892), 30 states have return successors, (892), 891 states have call predecessors, (892), 892 states have call successors, (892) [2023-11-29 03:32:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25555 states to 25555 states and 40499 transitions. [2023-11-29 03:32:03,874 INFO L78 Accepts]: Start accepts. Automaton has 25555 states and 40499 transitions. Word has length 122 [2023-11-29 03:32:03,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:32:03,874 INFO L495 AbstractCegarLoop]: Abstraction has 25555 states and 40499 transitions. [2023-11-29 03:32:03,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 27 states have (on average 6.777777777777778) internal successors, (183), 27 states have internal predecessors, (183), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 4 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 03:32:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 25555 states and 40499 transitions. [2023-11-29 03:32:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 03:32:03,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:03,887 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:03,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 03:32:04,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:04,087 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:32:04,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:04,088 INFO L85 PathProgramCache]: Analyzing trace with hash -308356565, now seen corresponding path program 1 times [2023-11-29 03:32:04,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:04,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878620550] [2023-11-29 03:32:04,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:04,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:04,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:32:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:32:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 03:32:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 03:32:04,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:04,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878620550] [2023-11-29 03:32:04,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878620550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:32:04,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:32:04,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:32:04,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003581863] [2023-11-29 03:32:04,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:32:04,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:32:04,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:04,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:32:04,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:32:04,542 INFO L87 Difference]: Start difference. First operand 25555 states and 40499 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:32:10,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:32:10,415 INFO L93 Difference]: Finished difference Result 53241 states and 84246 transitions. [2023-11-29 03:32:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:32:10,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 130 [2023-11-29 03:32:10,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:32:10,453 INFO L225 Difference]: With dead ends: 53241 [2023-11-29 03:32:10,453 INFO L226 Difference]: Without dead ends: 27781 [2023-11-29 03:32:10,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:32:10,471 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 1199 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 2883 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:32:10,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 2883 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 03:32:10,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27781 states. [2023-11-29 03:32:11,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27781 to 25567. [2023-11-29 03:32:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25567 states, 24598 states have (on average 1.574152370111391) internal successors, (38721), 24672 states have internal predecessors, (38721), 892 states have call successors, (892), 30 states have call predecessors, (892), 30 states have return successors, (892), 891 states have call predecessors, (892), 892 states have call successors, (892) [2023-11-29 03:32:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25567 states to 25567 states and 40505 transitions. [2023-11-29 03:32:11,757 INFO L78 Accepts]: Start accepts. Automaton has 25567 states and 40505 transitions. Word has length 130 [2023-11-29 03:32:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:32:11,757 INFO L495 AbstractCegarLoop]: Abstraction has 25567 states and 40505 transitions. [2023-11-29 03:32:11,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:32:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 25567 states and 40505 transitions. [2023-11-29 03:32:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 03:32:11,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:11,771 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:11,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 03:32:11,771 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:32:11,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash -548596311, now seen corresponding path program 1 times [2023-11-29 03:32:11,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:11,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812980037] [2023-11-29 03:32:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:11,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:32:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:32:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 03:32:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-29 03:32:12,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:12,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812980037] [2023-11-29 03:32:12,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812980037] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:32:12,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111400310] [2023-11-29 03:32:12,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:12,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:12,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:12,524 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:32:12,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 03:32:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:14,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 3236 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 03:32:14,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:32:14,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-11-29 03:32:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 03:32:14,725 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:32:14,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2023-11-29 03:32:14,973 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:32:14,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 12 [2023-11-29 03:32:14,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:32:14,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 17 [2023-11-29 03:32:14,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:32:14,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2023-11-29 03:32:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 03:32:15,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111400310] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:32:15,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:32:15,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 10] total 24 [2023-11-29 03:32:15,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520328782] [2023-11-29 03:32:15,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:32:15,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 03:32:15,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:15,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 03:32:15,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:32:15,239 INFO L87 Difference]: Start difference. First operand 25567 states and 40505 transitions. Second operand has 24 states, 23 states have (on average 10.304347826086957) internal successors, (237), 22 states have internal predecessors, (237), 7 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2023-11-29 03:32:18,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:32:33,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:32:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:32:54,393 INFO L93 Difference]: Finished difference Result 96851 states and 153303 transitions. [2023-11-29 03:32:54,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 03:32:54,393 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 10.304347826086957) internal successors, (237), 22 states have internal predecessors, (237), 7 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 130 [2023-11-29 03:32:54,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:32:54,482 INFO L225 Difference]: With dead ends: 96851 [2023-11-29 03:32:54,482 INFO L226 Difference]: Without dead ends: 71330 [2023-11-29 03:32:54,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=353, Invalid=1999, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 03:32:54,500 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 5578 mSDsluCounter, 16699 mSDsCounter, 0 mSdLazyCounter, 13240 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5627 SdHoareTripleChecker+Valid, 17827 SdHoareTripleChecker+Invalid, 13695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 13240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:32:54,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5627 Valid, 17827 Invalid, 13695 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [455 Valid, 13240 Invalid, 0 Unknown, 0 Unchecked, 34.6s Time] [2023-11-29 03:32:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71330 states. [2023-11-29 03:32:56,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71330 to 25726. [2023-11-29 03:32:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25726 states, 24757 states have (on average 1.5732116169164276) internal successors, (38948), 24831 states have internal predecessors, (38948), 892 states have call successors, (892), 30 states have call predecessors, (892), 30 states have return successors, (892), 891 states have call predecessors, (892), 892 states have call successors, (892) [2023-11-29 03:32:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25726 states to 25726 states and 40732 transitions. [2023-11-29 03:32:56,196 INFO L78 Accepts]: Start accepts. Automaton has 25726 states and 40732 transitions. Word has length 130 [2023-11-29 03:32:56,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:32:56,196 INFO L495 AbstractCegarLoop]: Abstraction has 25726 states and 40732 transitions. [2023-11-29 03:32:56,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 10.304347826086957) internal successors, (237), 22 states have internal predecessors, (237), 7 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2023-11-29 03:32:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 25726 states and 40732 transitions. [2023-11-29 03:32:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 03:32:56,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:56,209 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:56,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 03:32:56,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:56,409 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:32:56,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:56,409 INFO L85 PathProgramCache]: Analyzing trace with hash -347990301, now seen corresponding path program 1 times [2023-11-29 03:32:56,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:56,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387300895] [2023-11-29 03:32:56,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:56,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:32:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:32:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:32:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 03:32:57,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:57,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387300895] [2023-11-29 03:32:57,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387300895] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:32:57,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215571043] [2023-11-29 03:32:57,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:57,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:57,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:57,100 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:32:57,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 03:32:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:58,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 3222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 03:32:58,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:32:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 03:32:58,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:32:59,004 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 03:32:59,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215571043] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:32:59,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:32:59,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2023-11-29 03:32:59,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384438192] [2023-11-29 03:32:59,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:32:59,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 03:32:59,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:59,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 03:32:59,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:32:59,005 INFO L87 Difference]: Start difference. First operand 25726 states and 40732 transitions. Second operand has 15 states, 15 states have (on average 8.2) internal successors, (123), 13 states have internal predecessors, (123), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:33:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:18,288 INFO L93 Difference]: Finished difference Result 51810 states and 82091 transitions. [2023-11-29 03:33:18,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 03:33:18,289 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.2) internal successors, (123), 13 states have internal predecessors, (123), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 134 [2023-11-29 03:33:18,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:18,323 INFO L225 Difference]: With dead ends: 51810 [2023-11-29 03:33:18,323 INFO L226 Difference]: Without dead ends: 26678 [2023-11-29 03:33:18,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2023-11-29 03:33:18,338 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 1296 mSDsluCounter, 6373 mSDsCounter, 0 mSdLazyCounter, 5890 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 7172 SdHoareTripleChecker+Invalid, 6178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 5890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:18,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 7172 Invalid, 6178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [288 Valid, 5890 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2023-11-29 03:33:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26678 states. [2023-11-29 03:33:19,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26678 to 26176. [2023-11-29 03:33:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26176 states, 25159 states have (on average 1.5671529075082475) internal successors, (39428), 25233 states have internal predecessors, (39428), 940 states have call successors, (940), 30 states have call predecessors, (940), 30 states have return successors, (940), 939 states have call predecessors, (940), 940 states have call successors, (940) [2023-11-29 03:33:19,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26176 states to 26176 states and 41308 transitions. [2023-11-29 03:33:19,968 INFO L78 Accepts]: Start accepts. Automaton has 26176 states and 41308 transitions. Word has length 134 [2023-11-29 03:33:19,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:19,969 INFO L495 AbstractCegarLoop]: Abstraction has 26176 states and 41308 transitions. [2023-11-29 03:33:19,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.2) internal successors, (123), 13 states have internal predecessors, (123), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:33:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 26176 states and 41308 transitions. [2023-11-29 03:33:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 03:33:19,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:19,982 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:19,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 03:33:20,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2023-11-29 03:33:20,182 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:33:20,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:20,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2139095341, now seen corresponding path program 1 times [2023-11-29 03:33:20,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:20,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839588840] [2023-11-29 03:33:20,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:33:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:33:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 03:33:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-29 03:33:21,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839588840] [2023-11-29 03:33:21,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839588840] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:33:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426265057] [2023-11-29 03:33:21,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:21,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:21,046 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:21,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 03:33:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:23,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 3289 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:33:23,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-29 03:33:23,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:33:23,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426265057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:33:23,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:33:23,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-29 03:33:23,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210044236] [2023-11-29 03:33:23,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:33:23,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:33:23,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:23,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:33:23,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:33:23,364 INFO L87 Difference]: Start difference. First operand 26176 states and 41308 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:33:26,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:26,858 INFO L93 Difference]: Finished difference Result 62168 states and 98341 transitions. [2023-11-29 03:33:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:33:26,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 135 [2023-11-29 03:33:26,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:26,906 INFO L225 Difference]: With dead ends: 62168 [2023-11-29 03:33:26,906 INFO L226 Difference]: Without dead ends: 37246 [2023-11-29 03:33:26,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:33:26,921 INFO L413 NwaCegarLoop]: 1310 mSDtfsCounter, 1738 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 4750 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:26,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 4750 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:33:26,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37246 states. [2023-11-29 03:33:28,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37246 to 26652. [2023-11-29 03:33:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26652 states, 25635 states have (on average 1.5570899161302907) internal successors, (39916), 25709 states have internal predecessors, (39916), 940 states have call successors, (940), 30 states have call predecessors, (940), 30 states have return successors, (940), 939 states have call predecessors, (940), 940 states have call successors, (940) [2023-11-29 03:33:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26652 states to 26652 states and 41796 transitions. [2023-11-29 03:33:28,725 INFO L78 Accepts]: Start accepts. Automaton has 26652 states and 41796 transitions. Word has length 135 [2023-11-29 03:33:28,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:28,726 INFO L495 AbstractCegarLoop]: Abstraction has 26652 states and 41796 transitions. [2023-11-29 03:33:28,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:33:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 26652 states and 41796 transitions. [2023-11-29 03:33:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 03:33:28,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:28,734 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:28,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 03:33:28,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2023-11-29 03:33:28,935 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:33:28,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:28,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1475009249, now seen corresponding path program 1 times [2023-11-29 03:33:28,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:28,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656041935] [2023-11-29 03:33:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:33:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:29,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:33:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 03:33:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 03:33:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-29 03:33:29,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:29,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656041935] [2023-11-29 03:33:29,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656041935] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:33:29,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010280137] [2023-11-29 03:33:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:29,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:29,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:29,879 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:29,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 03:33:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:31,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 3335 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 03:33:31,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:31,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 03:33:31,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-29 03:33:32,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-29 03:33:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-29 03:33:32,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:33:32,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010280137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:33:32,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:33:32,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2023-11-29 03:33:32,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652338791] [2023-11-29 03:33:32,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:33:32,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:33:32,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:32,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:33:32,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:33:32,246 INFO L87 Difference]: Start difference. First operand 26652 states and 41796 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:33:36,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:33:40,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:33:44,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:33:49,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:33:53,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:33:57,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:01,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:05,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:09,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:13,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:17,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:21,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:25,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:29,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:33,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:37,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:41,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:46,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:50,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:54,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:34:58,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:02,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:06,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:10,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:15,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:19,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:23,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:27,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:31,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:35,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:39,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:44,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:48,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:52,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:35:56,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:36:00,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:36:06,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:36:10,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:36:15,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:36:19,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:36:23,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:36:27,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:36:27,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:36:27,247 INFO L93 Difference]: Finished difference Result 49913 states and 78056 transitions. [2023-11-29 03:36:27,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:36:27,270 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 140 [2023-11-29 03:36:27,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:36:27,353 INFO L225 Difference]: With dead ends: 49913 [2023-11-29 03:36:27,353 INFO L226 Difference]: Without dead ends: 48837 [2023-11-29 03:36:27,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:36:27,363 INFO L413 NwaCegarLoop]: 1313 mSDtfsCounter, 2175 mSDsluCounter, 8809 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 37 mSolverCounterUnsat, 42 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 170.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 10122 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 42 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:36:27,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 10122 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1590 Invalid, 42 Unknown, 0 Unchecked, 171.9s Time] [2023-11-29 03:36:27,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48837 states. [2023-11-29 03:36:29,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48837 to 28768. [2023-11-29 03:36:29,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28768 states, 27600 states have (on average 1.5534782608695652) internal successors, (42876), 27703 states have internal predecessors, (42876), 1064 states have call successors, (1064), 57 states have call predecessors, (1064), 57 states have return successors, (1064), 1061 states have call predecessors, (1064), 1064 states have call successors, (1064) [2023-11-29 03:36:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28768 states to 28768 states and 45004 transitions. [2023-11-29 03:36:29,641 INFO L78 Accepts]: Start accepts. Automaton has 28768 states and 45004 transitions. Word has length 140 [2023-11-29 03:36:29,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:36:29,641 INFO L495 AbstractCegarLoop]: Abstraction has 28768 states and 45004 transitions. [2023-11-29 03:36:29,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:36:29,641 INFO L276 IsEmpty]: Start isEmpty. Operand 28768 states and 45004 transitions. [2023-11-29 03:36:29,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 03:36:29,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:36:29,652 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:36:29,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 03:36:29,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2023-11-29 03:36:29,852 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:36:29,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:36:29,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1393884052, now seen corresponding path program 1 times [2023-11-29 03:36:29,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:36:29,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885698441] [2023-11-29 03:36:29,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:36:29,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:36:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:36:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:36:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 03:36:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 03:36:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-29 03:36:30,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:36:30,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885698441] [2023-11-29 03:36:30,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885698441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:36:30,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:36:30,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:36:30,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370540955] [2023-11-29 03:36:30,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:36:30,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:36:30,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:36:30,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:36:30,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:36:30,526 INFO L87 Difference]: Start difference. First operand 28768 states and 45004 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:36:38,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:36:38,244 INFO L93 Difference]: Finished difference Result 30890 states and 48269 transitions. [2023-11-29 03:36:38,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:36:38,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 142 [2023-11-29 03:36:38,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:36:38,290 INFO L225 Difference]: With dead ends: 30890 [2023-11-29 03:36:38,290 INFO L226 Difference]: Without dead ends: 28836 [2023-11-29 03:36:38,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:36:38,298 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1102 mSDsluCounter, 2028 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:36:38,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 2807 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-29 03:36:38,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28836 states. [2023-11-29 03:36:40,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28836 to 28832. [2023-11-29 03:36:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28832 states, 27664 states have (on average 1.5498843262001156) internal successors, (42876), 27767 states have internal predecessors, (42876), 1064 states have call successors, (1064), 57 states have call predecessors, (1064), 57 states have return successors, (1064), 1061 states have call predecessors, (1064), 1064 states have call successors, (1064) [2023-11-29 03:36:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28832 states to 28832 states and 45004 transitions. [2023-11-29 03:36:40,277 INFO L78 Accepts]: Start accepts. Automaton has 28832 states and 45004 transitions. Word has length 142 [2023-11-29 03:36:40,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:36:40,277 INFO L495 AbstractCegarLoop]: Abstraction has 28832 states and 45004 transitions. [2023-11-29 03:36:40,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:36:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 28832 states and 45004 transitions. [2023-11-29 03:36:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 03:36:40,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:36:40,288 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:36:40,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 03:36:40,288 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:36:40,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:36:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1169798760, now seen corresponding path program 1 times [2023-11-29 03:36:40,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:36:40,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600274475] [2023-11-29 03:36:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:36:40,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:36:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:36:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:41,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:36:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 03:36:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 03:36:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-29 03:36:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:36:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600274475] [2023-11-29 03:36:41,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600274475] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:36:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22986658] [2023-11-29 03:36:41,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:36:41,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:36:41,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:36:41,371 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:36:41,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 03:36:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:43,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 3345 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 03:36:43,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:36:43,763 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-29 03:36:43,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:36:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-29 03:36:43,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22986658] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:36:43,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:36:43,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 10] total 22 [2023-11-29 03:36:43,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710540235] [2023-11-29 03:36:43,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:36:43,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:36:43,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:36:43,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:36:43,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2023-11-29 03:36:43,954 INFO L87 Difference]: Start difference. First operand 28832 states and 45004 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:36:51,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:36:51,574 INFO L93 Difference]: Finished difference Result 106550 states and 165591 transitions. [2023-11-29 03:36:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 03:36:51,575 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 143 [2023-11-29 03:36:51,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:36:51,741 INFO L225 Difference]: With dead ends: 106550 [2023-11-29 03:36:51,741 INFO L226 Difference]: Without dead ends: 91928 [2023-11-29 03:36:51,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=148, Invalid=974, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 03:36:51,766 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 847 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 7383 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:36:51,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 7383 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 03:36:51,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91928 states. [2023-11-29 03:36:55,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91928 to 41520. [2023-11-29 03:36:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41520 states, 40352 states have (on average 1.5406423473433783) internal successors, (62168), 40455 states have internal predecessors, (62168), 1064 states have call successors, (1064), 57 states have call predecessors, (1064), 57 states have return successors, (1064), 1061 states have call predecessors, (1064), 1064 states have call successors, (1064) [2023-11-29 03:36:55,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41520 states to 41520 states and 64296 transitions. [2023-11-29 03:36:55,171 INFO L78 Accepts]: Start accepts. Automaton has 41520 states and 64296 transitions. Word has length 143 [2023-11-29 03:36:55,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:36:55,171 INFO L495 AbstractCegarLoop]: Abstraction has 41520 states and 64296 transitions. [2023-11-29 03:36:55,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:36:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 41520 states and 64296 transitions. [2023-11-29 03:36:55,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 03:36:55,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:36:55,187 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:36:55,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-11-29 03:36:55,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2023-11-29 03:36:55,387 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:36:55,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:36:55,388 INFO L85 PathProgramCache]: Analyzing trace with hash -746152038, now seen corresponding path program 1 times [2023-11-29 03:36:55,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:36:55,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586942406] [2023-11-29 03:36:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:36:55,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:36:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:36:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:36:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 03:36:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 03:36:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-29 03:36:56,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:36:56,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586942406] [2023-11-29 03:36:56,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586942406] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:36:56,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322505719] [2023-11-29 03:36:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:36:56,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:36:56,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:36:56,107 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:36:56,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 03:36:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:36:58,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 3348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:36:58,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:36:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-29 03:36:58,149 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:36:58,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322505719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:36:58,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:36:58,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-29 03:36:58,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620006796] [2023-11-29 03:36:58,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:36:58,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:36:58,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:36:58,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:36:58,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:36:58,152 INFO L87 Difference]: Start difference. First operand 41520 states and 64296 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:37:02,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:37:02,312 INFO L93 Difference]: Finished difference Result 81726 states and 126899 transitions. [2023-11-29 03:37:02,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:37:02,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 143 [2023-11-29 03:37:02,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:37:02,406 INFO L225 Difference]: With dead ends: 81726 [2023-11-29 03:37:02,406 INFO L226 Difference]: Without dead ends: 41520 [2023-11-29 03:37:02,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:37:02,446 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 349 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 3559 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:37:02,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 3559 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:37:02,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41520 states. [2023-11-29 03:37:05,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41520 to 41520. [2023-11-29 03:37:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41520 states, 40352 states have (on average 1.525178429817605) internal successors, (61544), 40455 states have internal predecessors, (61544), 1064 states have call successors, (1064), 57 states have call predecessors, (1064), 57 states have return successors, (1064), 1061 states have call predecessors, (1064), 1064 states have call successors, (1064) [2023-11-29 03:37:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41520 states to 41520 states and 63672 transitions. [2023-11-29 03:37:05,597 INFO L78 Accepts]: Start accepts. Automaton has 41520 states and 63672 transitions. Word has length 143 [2023-11-29 03:37:05,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:37:05,598 INFO L495 AbstractCegarLoop]: Abstraction has 41520 states and 63672 transitions. [2023-11-29 03:37:05,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 03:37:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41520 states and 63672 transitions. [2023-11-29 03:37:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 03:37:05,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:37:05,613 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:37:05,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 03:37:05,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2023-11-29 03:37:05,814 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:37:05,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:37:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash -276312422, now seen corresponding path program 1 times [2023-11-29 03:37:05,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:37:05,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314792220] [2023-11-29 03:37:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:37:05,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:37:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:37:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:37:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 03:37:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 03:37:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-29 03:37:06,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:37:06,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314792220] [2023-11-29 03:37:06,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314792220] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:37:06,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440038637] [2023-11-29 03:37:06,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:37:06,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:37:06,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:37:06,794 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:37:06,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-29 03:37:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:08,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 3344 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-29 03:37:08,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:37:08,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-29 03:37:08,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-29 03:37:08,857 INFO L349 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2023-11-29 03:37:08,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 03:37:08,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:37:08,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 03:37:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-29 03:37:09,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:37:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-29 03:37:09,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440038637] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:37:09,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:37:09,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2023-11-29 03:37:09,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468892455] [2023-11-29 03:37:09,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:37:09,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 03:37:09,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:37:09,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 03:37:09,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:37:09,496 INFO L87 Difference]: Start difference. First operand 41520 states and 63672 transitions. Second operand has 19 states, 18 states have (on average 7.666666666666667) internal successors, (138), 17 states have internal predecessors, (138), 2 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:37:27,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:37:29,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:37:30,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:37:32,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:37:34,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:37:36,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:37:39,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:37:54,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:37:54,555 INFO L93 Difference]: Finished difference Result 97196 states and 149029 transitions. [2023-11-29 03:37:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 03:37:54,556 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.666666666666667) internal successors, (138), 17 states have internal predecessors, (138), 2 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 143 [2023-11-29 03:37:54,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:37:54,644 INFO L225 Difference]: With dead ends: 97196 [2023-11-29 03:37:54,644 INFO L226 Difference]: Without dead ends: 55709 [2023-11-29 03:37:54,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=103, Invalid=653, Unknown=0, NotChecked=0, Total=756 [2023-11-29 03:37:54,669 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 1936 mSDsluCounter, 9424 mSDsCounter, 0 mSdLazyCounter, 9996 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 10194 SdHoareTripleChecker+Invalid, 10318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 9996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:37:54,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 10194 Invalid, 10318 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [322 Valid, 9996 Invalid, 0 Unknown, 0 Unchecked, 40.5s Time] [2023-11-29 03:37:54,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55709 states. [2023-11-29 03:37:57,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55709 to 41537. [2023-11-29 03:37:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41537 states, 40369 states have (on average 1.525006812157844) internal successors, (61563), 40472 states have internal predecessors, (61563), 1064 states have call successors, (1064), 57 states have call predecessors, (1064), 57 states have return successors, (1064), 1061 states have call predecessors, (1064), 1064 states have call successors, (1064) [2023-11-29 03:37:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41537 states to 41537 states and 63691 transitions. [2023-11-29 03:37:57,878 INFO L78 Accepts]: Start accepts. Automaton has 41537 states and 63691 transitions. Word has length 143 [2023-11-29 03:37:57,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:37:57,878 INFO L495 AbstractCegarLoop]: Abstraction has 41537 states and 63691 transitions. [2023-11-29 03:37:57,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.666666666666667) internal successors, (138), 17 states have internal predecessors, (138), 2 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:37:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 41537 states and 63691 transitions. [2023-11-29 03:37:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:37:57,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:37:57,888 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:37:57,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-29 03:37:58,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:37:58,089 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:37:58,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:37:58,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1360119971, now seen corresponding path program 1 times [2023-11-29 03:37:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:37:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619978804] [2023-11-29 03:37:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:37:58,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:37:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:37:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:37:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 03:37:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:37:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-29 03:37:59,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:37:59,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619978804] [2023-11-29 03:37:59,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619978804] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:37:59,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954219590] [2023-11-29 03:37:59,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:37:59,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:37:59,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:37:59,088 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:37:59,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-29 03:38:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:01,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 3360 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 03:38:01,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:38:01,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 03:38:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-29 03:38:01,601 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:38:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-29 03:38:01,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954219590] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:38:01,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:38:01,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 9] total 22 [2023-11-29 03:38:01,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930581473] [2023-11-29 03:38:01,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:38:01,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:38:01,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:38:01,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:38:01,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2023-11-29 03:38:01,810 INFO L87 Difference]: Start difference. First operand 41537 states and 63691 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:38:08,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:38:08,746 INFO L93 Difference]: Finished difference Result 109110 states and 168480 transitions. [2023-11-29 03:38:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:38:08,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 145 [2023-11-29 03:38:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:38:08,856 INFO L225 Difference]: With dead ends: 109110 [2023-11-29 03:38:08,856 INFO L226 Difference]: Without dead ends: 68904 [2023-11-29 03:38:08,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2023-11-29 03:38:08,878 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 322 mSDsluCounter, 5774 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7321 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:38:08,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7321 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 03:38:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68904 states. [2023-11-29 03:38:12,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68904 to 42993. [2023-11-29 03:38:12,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42993 states, 41825 states have (on average 1.5241362821279139) internal successors, (63747), 41928 states have internal predecessors, (63747), 1064 states have call successors, (1064), 57 states have call predecessors, (1064), 57 states have return successors, (1064), 1061 states have call predecessors, (1064), 1064 states have call successors, (1064) [2023-11-29 03:38:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42993 states to 42993 states and 65875 transitions. [2023-11-29 03:38:12,288 INFO L78 Accepts]: Start accepts. Automaton has 42993 states and 65875 transitions. Word has length 145 [2023-11-29 03:38:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:38:12,289 INFO L495 AbstractCegarLoop]: Abstraction has 42993 states and 65875 transitions. [2023-11-29 03:38:12,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:38:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand 42993 states and 65875 transitions. [2023-11-29 03:38:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:38:12,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:38:12,300 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:38:12,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-29 03:38:12,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:38:12,500 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:38:12,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:38:12,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1879238581, now seen corresponding path program 1 times [2023-11-29 03:38:12,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:38:12,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938808474] [2023-11-29 03:38:12,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:38:12,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:38:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:38:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:38:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:13,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 03:38:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-29 03:38:13,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:38:13,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938808474] [2023-11-29 03:38:13,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938808474] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:38:13,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35482131] [2023-11-29 03:38:13,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:38:13,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:38:13,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:38:13,532 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:38:13,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-29 03:38:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:15,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 3364 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 03:38:15,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:38:16,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 03:38:16,074 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-29 03:38:16,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:38:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-29 03:38:16,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35482131] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:38:16,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:38:16,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 9] total 22 [2023-11-29 03:38:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047591016] [2023-11-29 03:38:16,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:38:16,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:38:16,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:38:16,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:38:16,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2023-11-29 03:38:16,279 INFO L87 Difference]: Start difference. First operand 42993 states and 65875 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:38:23,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:38:23,102 INFO L93 Difference]: Finished difference Result 83326 states and 128256 transitions. [2023-11-29 03:38:23,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:38:23,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 145 [2023-11-29 03:38:23,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:38:23,188 INFO L225 Difference]: With dead ends: 83326 [2023-11-29 03:38:23,188 INFO L226 Difference]: Without dead ends: 68904 [2023-11-29 03:38:23,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2023-11-29 03:38:23,203 INFO L413 NwaCegarLoop]: 1539 mSDtfsCounter, 315 mSDsluCounter, 7242 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 8781 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:38:23,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 8781 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 03:38:23,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68904 states. [2023-11-29 03:38:26,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68904 to 43097. [2023-11-29 03:38:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43097 states, 41929 states have (on average 1.5228362231391162) internal successors, (63851), 42032 states have internal predecessors, (63851), 1064 states have call successors, (1064), 57 states have call predecessors, (1064), 57 states have return successors, (1064), 1061 states have call predecessors, (1064), 1064 states have call successors, (1064) [2023-11-29 03:38:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43097 states to 43097 states and 65979 transitions. [2023-11-29 03:38:26,796 INFO L78 Accepts]: Start accepts. Automaton has 43097 states and 65979 transitions. Word has length 145 [2023-11-29 03:38:26,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:38:26,796 INFO L495 AbstractCegarLoop]: Abstraction has 43097 states and 65979 transitions. [2023-11-29 03:38:26,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:38:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 43097 states and 65979 transitions. [2023-11-29 03:38:26,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 03:38:26,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:38:26,807 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:38:26,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-11-29 03:38:27,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:38:27,007 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:38:27,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:38:27,008 INFO L85 PathProgramCache]: Analyzing trace with hash 579042075, now seen corresponding path program 1 times [2023-11-29 03:38:27,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:38:27,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876814202] [2023-11-29 03:38:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:38:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:38:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:38:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:27,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:38:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 03:38:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-29 03:38:28,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:38:28,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876814202] [2023-11-29 03:38:28,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876814202] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:38:28,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524242392] [2023-11-29 03:38:28,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:38:28,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:38:28,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:38:28,206 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:38:28,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-29 03:38:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:38:30,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 3359 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-29 03:38:30,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:38:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-29 03:38:31,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:38:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-29 03:38:32,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524242392] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:38:32,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:38:32,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 13] total 31 [2023-11-29 03:38:32,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342277024] [2023-11-29 03:38:32,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:38:32,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-29 03:38:32,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:38:32,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-29 03:38:32,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=825, Unknown=0, NotChecked=0, Total=930 [2023-11-29 03:38:32,389 INFO L87 Difference]: Start difference. First operand 43097 states and 65979 transitions. Second operand has 31 states, 30 states have (on average 8.966666666666667) internal successors, (269), 29 states have internal predecessors, (269), 6 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-29 03:39:00,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:39:03,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:39:07,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:39:09,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:39:11,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:39:30,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:39:30,687 INFO L93 Difference]: Finished difference Result 169920 states and 258527 transitions. [2023-11-29 03:39:30,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-29 03:39:30,689 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.966666666666667) internal successors, (269), 29 states have internal predecessors, (269), 6 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 145 [2023-11-29 03:39:30,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:39:30,902 INFO L225 Difference]: With dead ends: 169920 [2023-11-29 03:39:30,903 INFO L226 Difference]: Without dead ends: 126887 [2023-11-29 03:39:30,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=620, Invalid=4072, Unknown=0, NotChecked=0, Total=4692 [2023-11-29 03:39:30,934 INFO L413 NwaCegarLoop]: 1516 mSDtfsCounter, 7213 mSDsluCounter, 20416 mSDsCounter, 0 mSdLazyCounter, 15928 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7276 SdHoareTripleChecker+Valid, 21932 SdHoareTripleChecker+Invalid, 16472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 15928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:39:30,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7276 Valid, 21932 Invalid, 16472 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [544 Valid, 15928 Invalid, 0 Unknown, 0 Unchecked, 46.6s Time] [2023-11-29 03:39:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126887 states. [2023-11-29 03:39:35,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126887 to 50124. [2023-11-29 03:39:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50124 states, 48956 states have (on average 1.5212027126399215) internal successors, (74472), 49059 states have internal predecessors, (74472), 1064 states have call successors, (1064), 57 states have call predecessors, (1064), 57 states have return successors, (1064), 1061 states have call predecessors, (1064), 1064 states have call successors, (1064) [2023-11-29 03:39:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50124 states to 50124 states and 76600 transitions. [2023-11-29 03:39:35,583 INFO L78 Accepts]: Start accepts. Automaton has 50124 states and 76600 transitions. Word has length 145 [2023-11-29 03:39:35,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:39:35,583 INFO L495 AbstractCegarLoop]: Abstraction has 50124 states and 76600 transitions. [2023-11-29 03:39:35,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.966666666666667) internal successors, (269), 29 states have internal predecessors, (269), 6 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-29 03:39:35,583 INFO L276 IsEmpty]: Start isEmpty. Operand 50124 states and 76600 transitions. [2023-11-29 03:39:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 03:39:35,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:39:35,599 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:39:35,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-11-29 03:39:35,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2023-11-29 03:39:35,799 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 49 more)] === [2023-11-29 03:39:35,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:39:35,800 INFO L85 PathProgramCache]: Analyzing trace with hash -343609874, now seen corresponding path program 1 times [2023-11-29 03:39:35,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:39:35,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054776544] [2023-11-29 03:39:35,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:39:35,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:39:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:39:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:39:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:39:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 03:39:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:39:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 03:39:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:39:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:39:36,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:39:36,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054776544] [2023-11-29 03:39:36,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054776544] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:39:36,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318149895] [2023-11-29 03:39:36,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:39:36,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:39:36,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:39:36,968 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:39:36,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52a3e6da-8f10-49dd-92ce-33678fb8d692/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-29 03:39:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:39:39,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 3392 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-29 03:39:39,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:39:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 11 proven. 15 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-29 03:39:39,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:39:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 11 proven. 15 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-29 03:39:40,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318149895] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:39:40,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:39:40,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 11] total 27 [2023-11-29 03:39:40,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186452165] [2023-11-29 03:39:40,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:39:40,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 03:39:40,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:39:40,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 03:39:40,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2023-11-29 03:39:40,741 INFO L87 Difference]: Start difference. First operand 50124 states and 76600 transitions. Second operand has 27 states, 26 states have (on average 10.346153846153847) internal successors, (269), 25 states have internal predecessors, (269), 6 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-29 03:39:56,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []