./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:43:28,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:43:28,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:43:28,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:43:28,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:43:28,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:43:28,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:43:28,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:43:28,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:43:28,935 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:43:28,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:43:28,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:43:28,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:43:28,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:43:28,939 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:43:28,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:43:28,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:43:28,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:43:28,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:43:28,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:43:28,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:43:28,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:43:28,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:43:28,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:43:28,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:43:28,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:43:28,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:43:28,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:43:28,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:43:28,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:43:28,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:43:28,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:43:28,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:43:28,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:43:28,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:43:28,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:43:28,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:43:28,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:43:28,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:43:28,947 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2024-10-24 13:43:29,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:43:29,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:43:29,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:43:29,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:43:29,207 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:43:29,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2024-10-24 13:43:30,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:43:31,084 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:43:31,084 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2024-10-24 13:43:31,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e4d5ce6/cda0af6212e643148d765e3a827111a9/FLAGe1db67627 [2024-10-24 13:43:31,140 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e4d5ce6/cda0af6212e643148d765e3a827111a9 [2024-10-24 13:43:31,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:43:31,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:43:31,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:43:31,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:43:31,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:43:31,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:31" (1/1) ... [2024-10-24 13:43:31,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4172dd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:31, skipping insertion in model container [2024-10-24 13:43:31,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:31" (1/1) ... [2024-10-24 13:43:31,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:43:31,787 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2024-10-24 13:43:31,788 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2024-10-24 13:43:32,125 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2024-10-24 13:43:33,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:43:33,756 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:43:33,836 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2024-10-24 13:43:33,836 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2024-10-24 13:43:33,848 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2024-10-24 13:43:34,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:43:34,290 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:43:34,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34 WrapperNode [2024-10-24 13:43:34,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:43:34,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:43:34,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:43:34,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:43:34,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,611 INFO L138 Inliner]: procedures = 293, calls = 6227, calls flagged for inlining = 93, calls inlined = 48, statements flattened = 4667 [2024-10-24 13:43:34,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:43:34,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:43:34,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:43:34,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:43:34,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,662 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,764 INFO L175 MemorySlicer]: Split 3352 memory accesses to 47 slices as follows [20, 4, 9, 2, 2, 2, 98, 2, 2, 3, 32, 2, 3, 2, 8, 2, 16, 18, 24, 1024, 257, 14, 9, 24, 2, 2, 4, 2, 6, 8, 843, 2, 8, 1, 2, 1, 111, 1, 2, 22, 1, 682, 8, 3, 16, 26, 20]. 31 percent of accesses are in the largest equivalence class. The 2843 initializations are split as follows [0, 0, 0, 0, 0, 0, 98, 2, 2, 0, 0, 2, 0, 2, 8, 2, 16, 18, 0, 1024, 0, 14, 0, 0, 2, 0, 4, 0, 5, 8, 840, 2, 8, 1, 0, 1, 52, 1, 2, 18, 1, 682, 8, 3, 16, 0, 1]. The 377 writes are split as follows [3, 2, 8, 2, 2, 2, 0, 0, 0, 2, 32, 0, 1, 0, 0, 0, 0, 0, 8, 0, 256, 0, 8, 8, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1]. [2024-10-24 13:43:34,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:43:34,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:43:34,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:43:34,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:43:34,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (1/1) ... [2024-10-24 13:43:34,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:43:34,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:43:34,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:43:34,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:43:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:43:35,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:43:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-24 13:43:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-24 13:43:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:43:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:43:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure linear2alaw [2024-10-24 13:43:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2alaw [2024-10-24 13:43:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:43:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:43:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 13:43:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-10-24 13:43:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:43:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 13:43:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-10-24 13:43:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-10-24 13:43:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-10-24 13:43:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2024-10-24 13:43:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2024-10-24 13:43:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2024-10-24 13:43:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2024-10-24 13:43:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2024-10-24 13:43:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2024-10-24 13:43:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2024-10-24 13:43:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2024-10-24 13:43:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2024-10-24 13:43:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2024-10-24 13:43:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2024-10-24 13:43:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2024-10-24 13:43:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#45 [2024-10-24 13:43:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#46 [2024-10-24 13:43:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-24 13:43:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-24 13:43:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure linear2ulaw [2024-10-24 13:43:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2ulaw [2024-10-24 13:43:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 13:43:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 13:43:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:43:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:43:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:43:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:43:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:43:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:43:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:43:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:43:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:43:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:43:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:43:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:43:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:43:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:43:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:43:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:43:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 13:43:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 13:43:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 13:43:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 13:43:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 13:43:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-24 13:43:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-24 13:43:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-24 13:43:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-24 13:43:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-24 13:43:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-24 13:43:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-24 13:43:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-10-24 13:43:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-10-24 13:43:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2024-10-24 13:43:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#42 [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#43 [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#44 [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#45 [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#46 [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 13:43:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-10-24 13:43:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-24 13:43:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 13:43:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-10-24 13:43:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-10-24 13:43:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_dsp_element_unregister [2024-10-24 13:43:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_dsp_element_unregister [2024-10-24 13:43:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:43:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:43:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:43:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:43:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:43:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:43:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:43:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:43:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:43:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:43:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:43:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:43:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:43:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:43:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:43:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 13:43:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 13:43:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 13:43:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 13:43:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-24 13:43:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-24 13:43:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-24 13:43:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-24 13:43:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-24 13:43:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-24 13:43:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-10-24 13:43:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-10-24 13:43:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2024-10-24 13:43:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2024-10-24 13:43:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2024-10-24 13:43:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2024-10-24 13:43:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2024-10-24 13:43:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2024-10-24 13:43:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-24 13:43:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-24 13:43:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:43:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:43:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-10-24 13:43:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-10-24 13:43:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:43:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:43:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:43:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:43:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:43:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-24 13:43:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-10-24 13:43:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-10-24 13:43:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-10-24 13:43:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2024-10-24 13:43:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2024-10-24 13:43:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2024-10-24 13:43:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2024-10-24 13:43:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 13:43:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2024-10-24 13:43:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:43:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 13:43:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-10-24 13:43:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-10-24 13:43:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2024-10-24 13:43:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2024-10-24 13:43:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2024-10-24 13:43:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2024-10-24 13:43:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2024-10-24 13:43:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2024-10-24 13:43:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2024-10-24 13:43:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2024-10-24 13:43:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2024-10-24 13:43:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2024-10-24 13:43:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2024-10-24 13:43:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2024-10-24 13:43:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#45 [2024-10-24 13:43:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#46 [2024-10-24 13:43:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2024-10-24 13:43:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2024-10-24 13:43:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2024-10-24 13:43:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2024-10-24 13:43:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-24 13:43:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-24 13:43:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_bits [2024-10-24 13:43:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_bits [2024-10-24 13:43:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:43:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:43:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:43:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:43:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:43:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-24 13:43:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-10-24 13:43:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2024-10-24 13:43:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2024-10-24 13:43:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:43:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:43:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-10-24 13:43:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-10-24 13:43:35,598 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:43:35,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:43:35,618 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:43:53,205 INFO L? ?]: Removed 467 outVars from TransFormulas that were not future-live. [2024-10-24 13:43:53,206 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:43:53,426 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:43:53,427 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 13:43:53,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:53 BoogieIcfgContainer [2024-10-24 13:43:53,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:43:53,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:43:53,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:43:53,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:43:53,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:43:31" (1/3) ... [2024-10-24 13:43:53,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6033b505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:53, skipping insertion in model container [2024-10-24 13:43:53,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:34" (2/3) ... [2024-10-24 13:43:53,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6033b505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:53, skipping insertion in model container [2024-10-24 13:43:53,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:53" (3/3) ... [2024-10-24 13:43:53,434 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2024-10-24 13:43:53,448 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:43:53,448 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:43:53,524 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:43:53,531 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;@1fd46ff8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:43:53,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:43:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 297 states have (on average 1.4713804713804715) internal successors, (437), 304 states have internal predecessors, (437), 68 states have call successors, (68), 27 states have call predecessors, (68), 26 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-24 13:43:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 13:43:53,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:43:53,553 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:43:53,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:43:53,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:43:53,558 INFO L85 PathProgramCache]: Analyzing trace with hash 931158819, now seen corresponding path program 1 times [2024-10-24 13:43:53,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:43:53,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702951665] [2024-10-24 13:43:53,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:43:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:43:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:43:54,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:43:54,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702951665] [2024-10-24 13:43:54,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702951665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:43:54,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:43:54,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 13:43:54,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100879756] [2024-10-24 13:43:54,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:43:54,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:43:54,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:43:54,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:43:54,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:43:54,985 INFO L87 Difference]: Start difference. First operand has 393 states, 297 states have (on average 1.4713804713804715) internal successors, (437), 304 states have internal predecessors, (437), 68 states have call successors, (68), 27 states have call predecessors, (68), 26 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:43:59,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-10-24 13:44:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:44:00,815 INFO L93 Difference]: Finished difference Result 1116 states and 1631 transitions. [2024-10-24 13:44:00,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:44:00,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-24 13:44:00,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:44:00,835 INFO L225 Difference]: With dead ends: 1116 [2024-10-24 13:44:00,836 INFO L226 Difference]: Without dead ends: 637 [2024-10-24 13:44:00,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:44:00,844 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 479 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:44:00,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1007 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-10-24 13:44:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-10-24 13:44:00,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 634. [2024-10-24 13:44:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 502 states have (on average 1.4681274900398407) internal successors, (737), 503 states have internal predecessors, (737), 91 states have call successors, (91), 41 states have call predecessors, (91), 40 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-24 13:44:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 917 transitions. [2024-10-24 13:44:00,921 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 917 transitions. Word has length 18 [2024-10-24 13:44:00,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:44:00,922 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 917 transitions. [2024-10-24 13:44:00,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:44:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 917 transitions. [2024-10-24 13:44:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 13:44:00,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:44:00,926 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:44:00,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:44:00,926 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:44:00,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:44:00,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1394092657, now seen corresponding path program 1 times [2024-10-24 13:44:00,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:44:00,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318961668] [2024-10-24 13:44:00,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:00,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:44:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:02,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:44:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:02,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:44:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:02,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 13:44:02,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:44:02,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318961668] [2024-10-24 13:44:02,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318961668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:44:02,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:44:02,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:44:02,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541933160] [2024-10-24 13:44:02,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:44:02,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:44:02,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:44:02,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:44:02,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:44:02,098 INFO L87 Difference]: Start difference. First operand 634 states and 917 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 13:44:07,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-10-24 13:44:07,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:44:07,545 INFO L93 Difference]: Finished difference Result 1453 states and 2080 transitions. [2024-10-24 13:44:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 13:44:07,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-10-24 13:44:07,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:44:07,550 INFO L225 Difference]: With dead ends: 1453 [2024-10-24 13:44:07,550 INFO L226 Difference]: Without dead ends: 826 [2024-10-24 13:44:07,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:44:07,553 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 234 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:44:07,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1303 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-24 13:44:07,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-10-24 13:44:07,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 821. [2024-10-24 13:44:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 643 states have (on average 1.4541213063763607) internal successors, (935), 646 states have internal predecessors, (935), 117 states have call successors, (117), 61 states have call predecessors, (117), 60 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2024-10-24 13:44:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1167 transitions. [2024-10-24 13:44:07,598 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1167 transitions. Word has length 39 [2024-10-24 13:44:07,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:44:07,598 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1167 transitions. [2024-10-24 13:44:07,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 13:44:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1167 transitions. [2024-10-24 13:44:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 13:44:07,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:44:07,602 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:44:07,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:44:07,602 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:44:07,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:44:07,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1509747539, now seen corresponding path program 1 times [2024-10-24 13:44:07,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:44:07,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107983663] [2024-10-24 13:44:07,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:07,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:44:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:44:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:08,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 13:44:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 13:44:08,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:44:08,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107983663] [2024-10-24 13:44:08,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107983663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:44:08,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:44:08,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 13:44:08,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044075114] [2024-10-24 13:44:08,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:44:08,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:44:08,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:44:08,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:44:08,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:44:08,414 INFO L87 Difference]: Start difference. First operand 821 states and 1167 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 13:44:13,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-10-24 13:44:17,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-10-24 13:44:17,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:44:17,643 INFO L93 Difference]: Finished difference Result 1601 states and 2282 transitions. [2024-10-24 13:44:17,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:44:17,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-10-24 13:44:17,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:44:17,651 INFO L225 Difference]: With dead ends: 1601 [2024-10-24 13:44:17,651 INFO L226 Difference]: Without dead ends: 827 [2024-10-24 13:44:17,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:44:17,653 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 2 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:44:17,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 885 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-10-24 13:44:17,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-24 13:44:17,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 825. [2024-10-24 13:44:17,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 647 states have (on average 1.4513137557959814) internal successors, (939), 650 states have internal predecessors, (939), 117 states have call successors, (117), 61 states have call predecessors, (117), 60 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2024-10-24 13:44:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1171 transitions. [2024-10-24 13:44:17,685 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1171 transitions. Word has length 40 [2024-10-24 13:44:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:44:17,686 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1171 transitions. [2024-10-24 13:44:17,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 13:44:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1171 transitions. [2024-10-24 13:44:17,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-24 13:44:17,687 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:44:17,688 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:44:17,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:44:17,688 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:44:17,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:44:17,688 INFO L85 PathProgramCache]: Analyzing trace with hash -294111933, now seen corresponding path program 1 times [2024-10-24 13:44:17,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:44:17,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140806167] [2024-10-24 13:44:17,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:17,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:44:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:18,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:44:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:18,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:44:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:18,737 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 13:44:18,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:44:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140806167] [2024-10-24 13:44:18,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140806167] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:44:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258644033] [2024-10-24 13:44:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:18,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:44:18,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:44:18,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:44:18,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 13:44:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:20,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 8831 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 13:44:20,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:44:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 13:44:20,853 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:44:20,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258644033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:44:20,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:44:20,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-24 13:44:20,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332146843] [2024-10-24 13:44:20,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:44:20,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:44:20,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:44:20,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:44:20,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:44:20,855 INFO L87 Difference]: Start difference. First operand 825 states and 1171 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 13:44:25,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-10-24 13:44:25,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:44:25,564 INFO L93 Difference]: Finished difference Result 833 states and 1175 transitions. [2024-10-24 13:44:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:44:25,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-10-24 13:44:25,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:44:25,568 INFO L225 Difference]: With dead ends: 833 [2024-10-24 13:44:25,568 INFO L226 Difference]: Without dead ends: 830 [2024-10-24 13:44:25,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:44:25,569 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 451 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:44:25,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 456 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-10-24 13:44:25,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-10-24 13:44:25,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2024-10-24 13:44:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 650 states have (on average 1.4461538461538461) internal successors, (940), 652 states have internal predecessors, (940), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2024-10-24 13:44:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1171 transitions. [2024-10-24 13:44:25,591 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1171 transitions. Word has length 43 [2024-10-24 13:44:25,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:44:25,591 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1171 transitions. [2024-10-24 13:44:25,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 13:44:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1171 transitions. [2024-10-24 13:44:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 13:44:25,594 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:44:25,594 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:44:25,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 13:44:25,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:44:25,796 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:44:25,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:44:25,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1062731607, now seen corresponding path program 1 times [2024-10-24 13:44:25,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:44:25,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410195946] [2024-10-24 13:44:25,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:25,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:44:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:26,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:44:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:26,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:44:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:26,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:44:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:26,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:44:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:26,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 13:44:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:26,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:44:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:27,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:44:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:27,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:44:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:27,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:44:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:44:27,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:44:27,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410195946] [2024-10-24 13:44:27,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410195946] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:44:27,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848292534] [2024-10-24 13:44:27,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:27,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:44:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:44:27,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:44:27,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 13:44:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:28,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 9190 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 13:44:28,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:44:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 13:44:28,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:44:28,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848292534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:44:28,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:44:28,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-10-24 13:44:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971570545] [2024-10-24 13:44:28,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:44:28,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:44:28,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:44:28,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:44:28,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:44:28,486 INFO L87 Difference]: Start difference. First operand 830 states and 1171 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-10-24 13:44:33,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-10-24 13:44:34,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:44:34,194 INFO L93 Difference]: Finished difference Result 835 states and 1177 transitions. [2024-10-24 13:44:34,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:44:34,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2024-10-24 13:44:34,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:44:34,198 INFO L225 Difference]: With dead ends: 835 [2024-10-24 13:44:34,198 INFO L226 Difference]: Without dead ends: 832 [2024-10-24 13:44:34,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:44:34,199 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:44:34,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 887 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-10-24 13:44:34,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-10-24 13:44:34,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2024-10-24 13:44:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 652 states have (on average 1.4447852760736197) internal successors, (942), 654 states have internal predecessors, (942), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2024-10-24 13:44:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1173 transitions. [2024-10-24 13:44:34,223 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1173 transitions. Word has length 79 [2024-10-24 13:44:34,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:44:34,224 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1173 transitions. [2024-10-24 13:44:34,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-10-24 13:44:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1173 transitions. [2024-10-24 13:44:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 13:44:34,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:44:34,227 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:44:34,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 13:44:34,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:44:34,427 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:44:34,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:44:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 931073565, now seen corresponding path program 1 times [2024-10-24 13:44:34,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:44:34,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738993330] [2024-10-24 13:44:34,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:34,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:44:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:44:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:44:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:44:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:44:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 13:44:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:44:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:44:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:44:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:44:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 13:44:35,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:44:35,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738993330] [2024-10-24 13:44:35,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738993330] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:44:35,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570010402] [2024-10-24 13:44:35,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:35,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:44:35,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:44:35,589 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:44:35,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 13:44:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:44:36,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 9195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 13:44:36,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:44:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 13:44:37,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:44:37,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570010402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:44:37,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:44:37,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-10-24 13:44:37,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558673305] [2024-10-24 13:44:37,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:44:37,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:44:37,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:44:37,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:44:37,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:44:37,061 INFO L87 Difference]: Start difference. First operand 832 states and 1173 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:44:38,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:44:38,679 INFO L93 Difference]: Finished difference Result 1691 states and 2396 transitions. [2024-10-24 13:44:38,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:44:38,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2024-10-24 13:44:38,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:44:38,684 INFO L225 Difference]: With dead ends: 1691 [2024-10-24 13:44:38,684 INFO L226 Difference]: Without dead ends: 906 [2024-10-24 13:44:38,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:44:38,688 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 42 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:44:38,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 883 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-24 13:44:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2024-10-24 13:44:38,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 838. [2024-10-24 13:44:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 658 states have (on average 1.4407294832826747) internal successors, (948), 660 states have internal predecessors, (948), 116 states have call successors, (116), 64 states have call predecessors, (116), 63 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2024-10-24 13:44:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1179 transitions. [2024-10-24 13:44:38,715 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1179 transitions. Word has length 81 [2024-10-24 13:44:38,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:44:38,715 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1179 transitions. [2024-10-24 13:44:38,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:44:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1179 transitions. [2024-10-24 13:44:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 13:44:38,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:44:38,720 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:44:38,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 13:44:38,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:44:38,921 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:44:38,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:44:38,922 INFO L85 PathProgramCache]: Analyzing trace with hash 494326136, now seen corresponding path program 1 times [2024-10-24 13:44:38,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:44:38,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542828511] [2024-10-24 13:44:38,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:44:38,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms