./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU --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 d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:41,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:41,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:18:41,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:41,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:41,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:41,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:41,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:41,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:18:41,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:18:41,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:41,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:41,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:41,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:41,915 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:41,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:41,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:41,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:41,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:41,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:41,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:41,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:41,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:41,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:41,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:41,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:41,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:41,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:18:41,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:41,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:41,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:41,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:41,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:41,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:41,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:41,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:41,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:41,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:41,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:41,928 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_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2024-10-31 22:18:42,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:42,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:42,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:42,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:42,271 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:42,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i Unable to find full path for "g++" [2024-10-31 22:18:44,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:44,772 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:44,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-10-31 22:18:44,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/data/8b069ab83/c581505e37d54af180f31e0bf5a963fd/FLAG03dc3f9bc [2024-10-31 22:18:44,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/data/8b069ab83/c581505e37d54af180f31e0bf5a963fd [2024-10-31 22:18:44,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:44,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:44,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:44,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:44,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:44,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:44" (1/1) ... [2024-10-31 22:18:44,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2516c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:44, skipping insertion in model container [2024-10-31 22:18:44,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:44" (1/1) ... [2024-10-31 22:18:44,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:45,807 WARN L251 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_50e334bd-0829-467b-98b5-9f4ef0322b45/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2024-10-31 22:18:45,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:45,914 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:46,146 WARN L251 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_50e334bd-0829-467b-98b5-9f4ef0322b45/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2024-10-31 22:18:46,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:46,301 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:46,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46 WrapperNode [2024-10-31 22:18:46,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:46,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:46,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:46,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:46,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,468 INFO L138 Inliner]: procedures = 82, calls = 541, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 2217 [2024-10-31 22:18:46,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:46,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:46,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:46,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:46,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,581 INFO L175 MemorySlicer]: Split 361 memory accesses to 21 slices as follows [2, 7, 1, 1, 2, 9, 5, 1, 9, 8, 8, 8, 48, 7, 7, 2, 69, 7, 8, 151, 1]. 42 percent of accesses are in the largest equivalence class. The 110 initializations are split as follows [2, 7, 1, 1, 0, 9, 0, 0, 9, 8, 8, 8, 14, 7, 7, 0, 0, 7, 8, 14, 0]. The 183 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 13, 0, 0, 0, 69, 0, 0, 100, 0]. [2024-10-31 22:18:46,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:46,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:46,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:46,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:46,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:46,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:46,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:46,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e334bd-0829-467b-98b5-9f4ef0322b45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2024-10-31 22:18:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2024-10-31 22:18:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:18:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:18:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:18:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:18:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:18:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:18:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:18:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:18:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:18:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:18:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:18:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:18:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:18:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 22:18:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 22:18:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-31 22:18:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-31 22:18:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-31 22:18:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-31 22:18:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-31 22:18:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-10-31 22:18:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:18:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:18:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:18:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:18:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:18:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:18:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:18:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:18:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:18:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:18:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:18:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:18:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:18:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:18:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:18:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 22:18:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 22:18:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 22:18:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 22:18:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-31 22:18:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-31 22:18:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2024-10-31 22:18:46,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2024-10-31 22:18:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:18:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:18:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:18:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:18:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:18:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:18:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-31 22:18:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-31 22:18:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-31 22:18:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-31 22:18:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-31 22:18:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-10-31 22:18:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:18:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:18:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:18:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:18:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:18:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:18:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:18:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:18:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:18:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:18:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:18:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:18:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:18:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:18:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:18:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 22:18:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 22:18:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 22:18:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 22:18:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-31 22:18:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-31 22:18:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:18:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:18:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:18:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:18:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:18:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:18:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:18:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 22:18:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 22:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 22:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 22:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-31 22:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-31 22:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-31 22:18:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-31 22:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-31 22:18:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-31 22:18:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:18:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-10-31 22:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-10-31 22:18:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:18:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 22:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 22:18:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:18:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-31 22:18:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-31 22:18:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:18:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:18:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:18:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:18:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:18:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:18:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:18:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:18:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:18:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:18:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:18:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:18:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:18:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:18:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:18:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 22:18:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 22:18:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 22:18:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 22:18:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-31 22:18:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-31 22:18:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2024-10-31 22:18:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2024-10-31 22:18:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-10-31 22:18:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-10-31 22:18:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-31 22:18:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-31 22:18:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2024-10-31 22:18:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2024-10-31 22:18:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-10-31 22:18:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-10-31 22:18:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-10-31 22:18:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-10-31 22:18:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:18:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:18:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:18:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:18:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:18:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:18:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:18:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:18:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:18:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:18:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:18:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 22:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 22:18:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-31 22:18:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:18:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:47,295 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:47,299 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:47,471 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-10-31 22:18:47,476 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 22:18:47,534 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2024-10-31 22:18:47,535 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2024-10-31 22:18:47,600 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 22:18:47,607 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 22:18:47,629 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 22:18:55,731 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2024-10-31 22:18:55,732 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2024-10-31 22:18:55,732 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2024-10-31 22:18:55,732 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2024-10-31 22:18:55,732 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2024-10-31 22:18:55,732 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false; [2024-10-31 22:18:55,864 INFO L? ?]: Removed 481 outVars from TransFormulas that were not future-live. [2024-10-31 22:18:55,864 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:55,899 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:55,899 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-10-31 22:18:55,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:55 BoogieIcfgContainer [2024-10-31 22:18:55,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:55,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:55,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:55,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:55,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:44" (1/3) ... [2024-10-31 22:18:55,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78781ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:55, skipping insertion in model container [2024-10-31 22:18:55,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (2/3) ... [2024-10-31 22:18:55,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78781ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:55, skipping insertion in model container [2024-10-31 22:18:55,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:55" (3/3) ... [2024-10-31 22:18:55,911 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2024-10-31 22:18:55,931 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:55,932 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:18:56,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:56,052 INFO L333 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, 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;@1138a2a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:56,052 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:18:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 392 states, 330 states have (on average 1.481818181818182) internal successors, (489), 340 states have internal predecessors, (489), 46 states have call successors, (46), 15 states have call predecessors, (46), 14 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-31 22:18:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-31 22:18:56,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:56,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:56,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:18:56,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:56,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1954417122, now seen corresponding path program 1 times [2024-10-31 22:18:56,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:56,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280431374] [2024-10-31 22:18:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:19:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:05,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:05,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280431374] [2024-10-31 22:19:05,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280431374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:05,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:05,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:19:05,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661766364] [2024-10-31 22:19:05,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:05,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:05,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:05,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:05,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:05,082 INFO L87 Difference]: Start difference. First operand has 392 states, 330 states have (on average 1.481818181818182) internal successors, (489), 340 states have internal predecessors, (489), 46 states have call successors, (46), 15 states have call predecessors, (46), 14 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:19:09,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:19:12,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:12,426 INFO L93 Difference]: Finished difference Result 1134 states and 1694 transitions. [2024-10-31 22:19:12,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:12,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-31 22:19:12,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:12,472 INFO L225 Difference]: With dead ends: 1134 [2024-10-31 22:19:12,476 INFO L226 Difference]: Without dead ends: 754 [2024-10-31 22:19:12,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:12,489 INFO L432 NwaCegarLoop]: 485 mSDtfsCounter, 619 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 91 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:12,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 1237 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-10-31 22:19:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-10-31 22:19:12,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 739. [2024-10-31 22:19:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 629 states have (on average 1.330683624801272) internal successors, (837), 639 states have internal predecessors, (837), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-31 22:19:12,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1002 transitions. [2024-10-31 22:19:12,686 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1002 transitions. Word has length 18 [2024-10-31 22:19:12,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:12,686 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1002 transitions. [2024-10-31 22:19:12,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:19:12,687 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1002 transitions. [2024-10-31 22:19:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-31 22:19:12,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:12,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:12,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:19:12,690 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:12,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:12,690 INFO L85 PathProgramCache]: Analyzing trace with hash 457272894, now seen corresponding path program 1 times [2024-10-31 22:19:12,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:12,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608341055] [2024-10-31 22:19:12,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:12,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms