./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx --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 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:57,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:57,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:06:57,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:57,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:57,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:57,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:57,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:57,929 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:57,930 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:57,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:57,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:57,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:57,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:57,933 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:57,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:57,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:57,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:57,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:57,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:57,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:57,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:57,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:57,938 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:57,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:57,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:57,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:57,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:57,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:57,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:57,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:57,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:57,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:57,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:06:57,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:57,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:57,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:57,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:57,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:57,945 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_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 [2023-11-21 22:06:58,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:58,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:58,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:58,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:58,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:58,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2023-11-21 22:07:01,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:02,182 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:02,184 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2023-11-21 22:07:02,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/data/5b90bc33d/0e159649921443ca99114f135b70683c/FLAG5a8430c36 [2023-11-21 22:07:02,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/data/5b90bc33d/0e159649921443ca99114f135b70683c [2023-11-21 22:07:02,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:02,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:02,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:02,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:02,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:02,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:02" (1/1) ... [2023-11-21 22:07:02,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c21c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:02, skipping insertion in model container [2023-11-21 22:07:02,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:02" (1/1) ... [2023-11-21 22:07:02,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:04,269 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_c68f89bc-6456-48c4-b52c-6d501d73f5e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[235755,235768] [2023-11-21 22:07:04,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:04,583 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:07:05,064 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_c68f89bc-6456-48c4-b52c-6d501d73f5e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[235755,235768] [2023-11-21 22:07:05,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:05,176 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:07:05,184 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:07:05,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05 WrapperNode [2023-11-21 22:07:05,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:05,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:05,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:07:05,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:07:05,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:05,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:05,497 INFO L138 Inliner]: procedures = 223, calls = 2733, calls flagged for inlining = 70, calls inlined = 65, statements flattened = 5597 [2023-11-21 22:07:05,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:05,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:07:05,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:07:05,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:07:05,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:05,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:05,571 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:06,225 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_strcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:07:06,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:06,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:06,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:06,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:06,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:06,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:06,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:07:06,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:07:06,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:07:06,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:07:06,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (1/1) ... [2023-11-21 22:07:06,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:06,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:06,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:06,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f89bc-6456-48c4-b52c-6d501d73f5e0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:07:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 22:07:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 22:07:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2023-11-21 22:07:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2023-11-21 22:07:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-21 22:07:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-21 22:07:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:07:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:07:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:07:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:07:06,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:07:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:07:06,626 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2023-11-21 22:07:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2023-11-21 22:07:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-11-21 22:07:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-11-21 22:07:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:07:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:07:06,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2023-11-21 22:07:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2023-11-21 22:07:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2023-11-21 22:07:06,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2023-11-21 22:07:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-11-21 22:07:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-11-21 22:07:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-11-21 22:07:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-11-21 22:07:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2023-11-21 22:07:06,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2023-11-21 22:07:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:07:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:07:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:07:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:07:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2023-11-21 22:07:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2023-11-21 22:07:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:07:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:07:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2023-11-21 22:07:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2023-11-21 22:07:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:07:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:07:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2023-11-21 22:07:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2023-11-21 22:07:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2023-11-21 22:07:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2023-11-21 22:07:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2023-11-21 22:07:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2023-11-21 22:07:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_remove [2023-11-21 22:07:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_remove [2023-11-21 22:07:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-21 22:07:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-21 22:07:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:07:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:07:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_probe [2023-11-21 22:07:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_probe [2023-11-21 22:07:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:07:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:07:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2023-11-21 22:07:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2023-11-21 22:07:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2023-11-21 22:07:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2023-11-21 22:07:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2023-11-21 22:07:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2023-11-21 22:07:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:07:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tx_empty [2023-11-21 22:07:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tx_empty [2023-11-21 22:07:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:07:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:07:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-21 22:07:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-21 22:07:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:07:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2023-11-21 22:07:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2023-11-21 22:07:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:07:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2023-11-21 22:07:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2023-11-21 22:07:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:07:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:07:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-21 22:07:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-21 22:07:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2023-11-21 22:07:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2023-11-21 22:07:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 22:07:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 22:07:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:07:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:07:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-21 22:07:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-21 22:07:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 22:07:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 22:07:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-21 22:07:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-21 22:07:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 22:07:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 22:07:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-21 22:07:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-21 22:07:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-11-21 22:07:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-11-21 22:07:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:07:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:07:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:07:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2023-11-21 22:07:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2023-11-21 22:07:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-21 22:07:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-21 22:07:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-21 22:07:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-21 22:07:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2023-11-21 22:07:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2023-11-21 22:07:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2023-11-21 22:07:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2023-11-21 22:07:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:07:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:07:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:07:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 22:07:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 22:07:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2023-11-21 22:07:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2023-11-21 22:07:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2023-11-21 22:07:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2023-11-21 22:07:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:07:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:07:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2023-11-21 22:07:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2023-11-21 22:07:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:07:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:07:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:07:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:07:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:07:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2023-11-21 22:07:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2023-11-21 22:07:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:07:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:07:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:07:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:07:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2023-11-21 22:07:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2023-11-21 22:07:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-21 22:07:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-21 22:07:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2023-11-21 22:07:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2023-11-21 22:07:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2023-11-21 22:07:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2023-11-21 22:07:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-21 22:07:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-21 22:07:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-11-21 22:07:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-11-21 22:07:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 22:07:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 22:07:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2023-11-21 22:07:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2023-11-21 22:07:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:07:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2023-11-21 22:07:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2023-11-21 22:07:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-11-21 22:07:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-11-21 22:07:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:07:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:07:07,277 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:07:07,281 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:07:08,343 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:07:13,823 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:16,899 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:16,900 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:07:16,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:16 BoogieIcfgContainer [2023-11-21 22:07:16,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:16,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:07:16,908 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:07:16,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:07:16,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:07:02" (1/3) ... [2023-11-21 22:07:16,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dcaf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:16, skipping insertion in model container [2023-11-21 22:07:16,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:05" (2/3) ... [2023-11-21 22:07:16,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dcaf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:16, skipping insertion in model container [2023-11-21 22:07:16,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:16" (3/3) ... [2023-11-21 22:07:16,917 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2023-11-21 22:07:16,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:07:16,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:07:17,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:17,065 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;@762de972, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:17,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:07:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 1392 states, 879 states have (on average 1.4095563139931742) internal successors, (1239), 945 states have internal predecessors, (1239), 442 states have call successors, (442), 70 states have call predecessors, (442), 69 states have return successors, (438), 431 states have call predecessors, (438), 438 states have call successors, (438) [2023-11-21 22:07:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-21 22:07:17,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:17,115 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:17,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:17,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:17,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1727334758, now seen corresponding path program 1 times [2023-11-21 22:07:17,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:17,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602639537] [2023-11-21 22:07:17,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:17,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:07:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:07:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:07:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:07:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:07:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:07:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-21 22:07:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:07:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-21 22:07:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:07:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-21 22:07:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-21 22:07:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-21 22:07:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-21 22:07:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-21 22:07:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-21 22:07:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-21 22:07:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:21,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 22:07:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-21 22:07:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2023-11-21 22:07:21,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:21,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602639537] [2023-11-21 22:07:21,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602639537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:21,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:21,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:07:21,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981513582] [2023-11-21 22:07:21,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:21,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:21,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:21,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:21,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:21,134 INFO L87 Difference]: Start difference. First operand has 1392 states, 879 states have (on average 1.4095563139931742) internal successors, (1239), 945 states have internal predecessors, (1239), 442 states have call successors, (442), 70 states have call predecessors, (442), 69 states have return successors, (438), 431 states have call predecessors, (438), 438 states have call successors, (438) Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-21 22:07:23,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:07:25,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:07:27,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:07:29,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:07:31,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:07:40,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:07:42,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:07:51,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 22:07:51,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:07:51,823 INFO L93 Difference]: Finished difference Result 4175 states and 6561 transitions. [2023-11-21 22:07:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:07:51,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 209 [2023-11-21 22:07:51,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:07:51,896 INFO L225 Difference]: With dead ends: 4175 [2023-11-21 22:07:51,896 INFO L226 Difference]: Without dead ends: 2816 [2023-11-21 22:07:51,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:07:51,920 INFO L413 NwaCegarLoop]: 1838 mSDtfsCounter, 2283 mSDsluCounter, 4374 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 1984 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 6212 SdHoareTripleChecker+Invalid, 4547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1984 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:07:51,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 6212 Invalid, 4547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1984 Valid, 2556 Invalid, 7 Unknown, 0 Unchecked, 30.0s Time] [2023-11-21 22:07:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2023-11-21 22:07:52,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2684. [2023-11-21 22:07:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 1711 states have (on average 1.4079485680888368) internal successors, (2409), 1826 states have internal predecessors, (2409), 839 states have call successors, (839), 134 states have call predecessors, (839), 133 states have return successors, (833), 819 states have call predecessors, (833), 833 states have call successors, (833) [2023-11-21 22:07:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 4081 transitions. [2023-11-21 22:07:52,277 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 4081 transitions. Word has length 209 [2023-11-21 22:07:52,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:07:52,281 INFO L495 AbstractCegarLoop]: Abstraction has 2684 states and 4081 transitions. [2023-11-21 22:07:52,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-21 22:07:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 4081 transitions. [2023-11-21 22:07:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-21 22:07:52,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:52,294 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:52,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:07:52,295 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:52,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:52,295 INFO L85 PathProgramCache]: Analyzing trace with hash -817656644, now seen corresponding path program 1 times [2023-11-21 22:07:52,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:52,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345462257] [2023-11-21 22:07:52,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:52,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms