./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 61a67961 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-wip.fs.cvc5-61a6796-m [2024-10-14 15:24:14,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:24:14,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:24:14,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:24:14,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:24:14,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:24:14,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:24:14,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:24:14,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:24:14,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:24:14,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:24:14,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:24:14,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:24:14,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:24:14,637 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:24:14,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:24:14,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:24:14,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:24:14,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:24:14,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:24:14,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:24:14,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:24:14,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:24:14,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:24:14,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:24:14,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:24:14,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:24:14,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:24:14,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:24:14,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:24:14,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:24:14,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:24:14,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:24:14,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:24:14,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:24:14,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:24:14,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:24:14,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:24:14,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:24:14,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2024-10-14 15:24:14,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:24:14,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:24:14,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:24:14,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:24:14,919 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:24:14,920 INFO L431 ainManager$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 [2024-10-14 15:24:16,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:24:16,969 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:24:16,970 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 [2024-10-14 15:24:17,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7039d2e9/da9298ad27564c469d2661f998a359da/FLAG55dc9a5f0 [2024-10-14 15:24:17,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7039d2e9/da9298ad27564c469d2661f998a359da [2024-10-14 15:24:17,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:24:17,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:24:17,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:24:17,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:24:17,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:24:17,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:24:17" (1/1) ... [2024-10-14 15:24:17,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aefceb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:17, skipping insertion in model container [2024-10-14 15:24:17,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:24:17" (1/1) ... [2024-10-14 15:24:17,252 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:24:17,724 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2024-10-14 15:24:17,725 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2024-10-14 15:24:18,101 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] [2024-10-14 15:24:19,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:24:20,064 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:24:20,161 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2024-10-14 15:24:20,162 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2024-10-14 15:24:20,169 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] [2024-10-14 15:24:20,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:24:20,683 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:24:20,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20 WrapperNode [2024-10-14 15:24:20,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:24:20,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:24:20,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:24:20,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:24:20,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:20,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,150 INFO L138 Inliner]: procedures = 293, calls = 6227, calls flagged for inlining = 93, calls inlined = 48, statements flattened = 4667 [2024-10-14 15:24:21,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:24:21,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:24:21,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:24:21,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:24:21,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,340 INFO L175 MemorySlicer]: Split 3352 memory accesses to 47 slices as follows [16, 20, 24, 2, 2, 98, 9, 2, 2, 3, 32, 9, 2, 24, 2, 111, 2, 8, 2, 16, 18, 1024, 14, 2, 2, 26, 4, 2, 6, 20, 8, 2, 2, 4, 843, 8, 1, 257, 1, 1, 2, 1, 3, 3, 22, 682, 8]. 31 percent of accesses are in the largest equivalence class. The 2843 initializations are split as follows [16, 1, 0, 0, 0, 98, 0, 2, 2, 0, 0, 0, 2, 0, 0, 52, 2, 8, 2, 16, 18, 1024, 14, 2, 0, 0, 4, 0, 5, 0, 8, 2, 0, 0, 840, 8, 1, 0, 1, 1, 2, 1, 0, 3, 18, 682, 8]. The 377 writes are split as follows [0, 1, 8, 2, 2, 0, 8, 0, 0, 2, 32, 8, 0, 8, 1, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 3, 0, 0, 2, 2, 1, 0, 0, 256, 0, 0, 0, 0, 1, 0, 0, 0, 0]. [2024-10-14 15:24:21,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:24:21,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:24:21,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:24:21,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:24:21,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (1/1) ... [2024-10-14 15:24:21,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:24:21,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:24:21,585 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) [2024-10-14 15:24:21,591 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 [2024-10-14 15:24:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-14 15:24:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-14 15:24:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-14 15:24:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-14 15:24:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:24:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:24:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure linear2alaw [2024-10-14 15:24:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2alaw [2024-10-14 15:24:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-14 15:24:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-14 15:24:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 15:24:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 15:24:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-14 15:24:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-14 15:24:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:24:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-10-14 15:24:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-10-14 15:24:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:24:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:24:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-14 15:24:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-14 15:24:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-14 15:24:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-14 15:24:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-14 15:24:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-14 15:24:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-14 15:24:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-14 15:24:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-14 15:24:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-14 15:24:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-14 15:24:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-14 15:24:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-14 15:24:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-14 15:24:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-14 15:24:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-10-14 15:24:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-10-14 15:24:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-10-14 15:24:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-10-14 15:24:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-10-14 15:24:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-10-14 15:24:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2024-10-14 15:24:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2024-10-14 15:24:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2024-10-14 15:24:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2024-10-14 15:24:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2024-10-14 15:24:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2024-10-14 15:24:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2024-10-14 15:24:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2024-10-14 15:24:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2024-10-14 15:24:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2024-10-14 15:24:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2024-10-14 15:24:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2024-10-14 15:24:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#45 [2024-10-14 15:24:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#46 [2024-10-14 15:24:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-14 15:24:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-14 15:24:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure linear2ulaw [2024-10-14 15:24:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2ulaw [2024-10-14 15:24:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-14 15:24:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-14 15:24:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:24:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:24:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:24:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:24:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-14 15:24:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-14 15:24:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-14 15:24:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-14 15:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-14 15:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-14 15:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-14 15:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-10-14 15:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-10-14 15:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-10-14 15:24:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-10-14 15:24:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2024-10-14 15:24:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2024-10-14 15:24:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2024-10-14 15:24:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2024-10-14 15:24:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2024-10-14 15:24:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2024-10-14 15:24:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2024-10-14 15:24:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2024-10-14 15:24:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2024-10-14 15:24:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2024-10-14 15:24:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2024-10-14 15:24:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#42 [2024-10-14 15:24:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#43 [2024-10-14 15:24:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#44 [2024-10-14 15:24:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#45 [2024-10-14 15:24:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#46 [2024-10-14 15:24:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:24:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:24:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-10-14 15:24:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-10-14 15:24:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-14 15:24:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-14 15:24:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-14 15:24:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-14 15:24:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-10-14 15:24:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-10-14 15:24:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_dsp_element_unregister [2024-10-14 15:24:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_dsp_element_unregister [2024-10-14 15:24:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:24:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:24:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:24:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:24:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:24:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:24:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:24:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:24:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:24:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:24:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 15:24:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 15:24:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 15:24:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 15:24:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-14 15:24:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-14 15:24:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-14 15:24:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-14 15:24:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-14 15:24:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-14 15:24:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-14 15:24:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-14 15:24:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-14 15:24:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-14 15:24:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-10-14 15:24:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2024-10-14 15:24:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2024-10-14 15:24:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2024-10-14 15:24:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2024-10-14 15:24:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2024-10-14 15:24:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2024-10-14 15:24:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2024-10-14 15:24:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2024-10-14 15:24:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2024-10-14 15:24:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2024-10-14 15:24:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2024-10-14 15:24:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2024-10-14 15:24:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-14 15:24:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-14 15:24:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-14 15:24:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-14 15:24:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-10-14 15:24:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-10-14 15:24:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:24:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:24:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:24:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:24:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:24:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:24:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:24:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:24:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:24:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:24:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 15:24:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 15:24:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 15:24:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 15:24:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-14 15:24:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-14 15:24:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-14 15:24:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-14 15:24:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-14 15:24:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-14 15:24:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-10-14 15:24:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2024-10-14 15:24:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-14 15:24:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2024-10-14 15:24:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:24:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:24:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:24:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:24:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:24:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:24:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:24:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:24:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-14 15:24:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-14 15:24:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-14 15:24:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-14 15:24:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-14 15:24:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-14 15:24:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-14 15:24:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-14 15:24:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-14 15:24:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-14 15:24:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-14 15:24:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-14 15:24:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-14 15:24:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-14 15:24:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-14 15:24:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-14 15:24:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-14 15:24:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-10-14 15:24:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-10-14 15:24:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-10-14 15:24:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-10-14 15:24:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-10-14 15:24:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-10-14 15:24:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2024-10-14 15:24:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2024-10-14 15:24:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2024-10-14 15:24:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2024-10-14 15:24:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2024-10-14 15:24:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2024-10-14 15:24:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2024-10-14 15:24:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2024-10-14 15:24:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2024-10-14 15:24:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2024-10-14 15:24:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2024-10-14 15:24:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2024-10-14 15:24:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#45 [2024-10-14 15:24:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#46 [2024-10-14 15:24:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2024-10-14 15:24:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2024-10-14 15:24:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2024-10-14 15:24:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2024-10-14 15:24:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-14 15:24:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_bits [2024-10-14 15:24:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_bits [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:24:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-14 15:24:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-14 15:24:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-14 15:24:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-14 15:24:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-14 15:24:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-14 15:24:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-14 15:24:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-14 15:24:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-10-14 15:24:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-10-14 15:24:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-10-14 15:24:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-10-14 15:24:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-10-14 15:24:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-10-14 15:24:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-10-14 15:24:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-10-14 15:24:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-10-14 15:24:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-10-14 15:24:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2024-10-14 15:24:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2024-10-14 15:24:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2024-10-14 15:24:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2024-10-14 15:24:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2024-10-14 15:24:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2024-10-14 15:24:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2024-10-14 15:24:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2024-10-14 15:24:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2024-10-14 15:24:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2024-10-14 15:24:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2024-10-14 15:24:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2024-10-14 15:24:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:24:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:24:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-10-14 15:24:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-10-14 15:24:22,357 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:24:22,359 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:24:22,375 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-14 15:24:42,282 INFO L? ?]: Removed 467 outVars from TransFormulas that were not future-live. [2024-10-14 15:24:42,282 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:24:42,696 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:24:42,696 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 15:24:42,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:24:42 BoogieIcfgContainer [2024-10-14 15:24:42,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:24:42,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:24:42,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:24:42,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:24:42,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:24:17" (1/3) ... [2024-10-14 15:24:42,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d71f8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:24:42, skipping insertion in model container [2024-10-14 15:24:42,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:24:20" (2/3) ... [2024-10-14 15:24:42,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d71f8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:24:42, skipping insertion in model container [2024-10-14 15:24:42,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:24:42" (3/3) ... [2024-10-14 15:24:42,710 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 [2024-10-14 15:24:42,728 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:24:42,728 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 15:24:42,826 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:24:42,833 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;@3bf4dcd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:24:42,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 15:24:42,840 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) [2024-10-14 15:24:42,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 15:24:42,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:24:42,852 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:24:42,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:24:42,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:24:42,857 INFO L85 PathProgramCache]: Analyzing trace with hash 931158819, now seen corresponding path program 1 times [2024-10-14 15:24:42,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:24:42,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047488382] [2024-10-14 15:24:42,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:24:42,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:24:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:24:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:24:44,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:24:44,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047488382] [2024-10-14 15:24:44,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047488382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:24:44,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:24:44,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 15:24:44,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615769301] [2024-10-14 15:24:44,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:24:44,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:24:44,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:24:44,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:24:44,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:24:44,505 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) [2024-10-14 15:24:49,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-10-14 15:24:54,134 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 [] [2024-10-14 15:24:54,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:24:54,278 INFO L93 Difference]: Finished difference Result 1116 states and 1631 transitions. [2024-10-14 15:24:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:24:54,281 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 [2024-10-14 15:24:54,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:24:54,294 INFO L225 Difference]: With dead ends: 1116 [2024-10-14 15:24:54,294 INFO L226 Difference]: Without dead ends: 637 [2024-10-14 15:24:54,300 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 [2024-10-14 15:24:54,303 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 479 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-10-14 15:24:54,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1007 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2024-10-14 15:24:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-10-14 15:24:54,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 634. [2024-10-14 15:24:54,394 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) [2024-10-14 15:24:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 917 transitions. [2024-10-14 15:24:54,401 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 917 transitions. Word has length 18 [2024-10-14 15:24:54,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:24:54,401 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 917 transitions. [2024-10-14 15:24:54,402 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) [2024-10-14 15:24:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 917 transitions. [2024-10-14 15:24:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 15:24:54,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:24:54,405 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] [2024-10-14 15:24:54,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:24:54,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:24:54,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:24:54,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1394092657, now seen corresponding path program 1 times [2024-10-14 15:24:54,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:24:54,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594664358] [2024-10-14 15:24:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:24:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:24:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:24:55,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:24:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:24:55,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 15:24:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:24:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 15:24:55,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:24:55,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594664358] [2024-10-14 15:24:55,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594664358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:24:55,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:24:55,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 15:24:55,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619896969] [2024-10-14 15:24:55,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:24:55,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:24:55,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:24:55,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:24:55,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 15:24:55,755 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) [2024-10-14 15:24:58,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:24:58,366 INFO L93 Difference]: Finished difference Result 1453 states and 2080 transitions. [2024-10-14 15:24:58,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 15:24:58,366 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 [2024-10-14 15:24:58,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:24:58,372 INFO L225 Difference]: With dead ends: 1453 [2024-10-14 15:24:58,372 INFO L226 Difference]: Without dead ends: 826 [2024-10-14 15:24:58,374 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 [2024-10-14 15:24:58,375 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 234 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:24:58,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1303 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-14 15:24:58,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-10-14 15:24:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 821. [2024-10-14 15:24:58,478 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) [2024-10-14 15:24:58,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1167 transitions. [2024-10-14 15:24:58,483 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1167 transitions. Word has length 39 [2024-10-14 15:24:58,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:24:58,484 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1167 transitions. [2024-10-14 15:24:58,484 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) [2024-10-14 15:24:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1167 transitions. [2024-10-14 15:24:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 15:24:58,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:24:58,489 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] [2024-10-14 15:24:58,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:24:58,489 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:24:58,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:24:58,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1509747539, now seen corresponding path program 1 times [2024-10-14 15:24:58,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:24:58,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719005167] [2024-10-14 15:24:58,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:24:58,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:24:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:24:59,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:24:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:24:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:24:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:24:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 15:24:59,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:24:59,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719005167] [2024-10-14 15:24:59,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719005167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:24:59,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:24:59,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 15:24:59,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921990281] [2024-10-14 15:24:59,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:24:59,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:24:59,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:24:59,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:24:59,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:24:59,485 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) [2024-10-14 15:25:04,697 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 [] [2024-10-14 15:25:08,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-10-14 15:25:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:25:08,985 INFO L93 Difference]: Finished difference Result 1601 states and 2282 transitions. [2024-10-14 15:25:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:25:08,989 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 [2024-10-14 15:25:08,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:25:08,996 INFO L225 Difference]: With dead ends: 1601 [2024-10-14 15:25:08,996 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 15:25:08,998 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 [2024-10-14 15:25:08,999 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 2 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-10-14 15:25:09,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 885 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2024-10-14 15:25:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 15:25:09,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 825. [2024-10-14 15:25:09,030 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) [2024-10-14 15:25:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1171 transitions. [2024-10-14 15:25:09,035 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1171 transitions. Word has length 40 [2024-10-14 15:25:09,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:25:09,035 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1171 transitions. [2024-10-14 15:25:09,036 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) [2024-10-14 15:25:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1171 transitions. [2024-10-14 15:25:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 15:25:09,037 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:25:09,037 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] [2024-10-14 15:25:09,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:25:09,038 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:25:09,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:25:09,038 INFO L85 PathProgramCache]: Analyzing trace with hash -294111933, now seen corresponding path program 1 times [2024-10-14 15:25:09,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:25:09,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363883367] [2024-10-14 15:25:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:25:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:25:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:10,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:25:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:10,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:25:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 15:25:10,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:25:10,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363883367] [2024-10-14 15:25:10,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363883367] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:25:10,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017712694] [2024-10-14 15:25:10,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:25:10,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:25:10,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:25:10,320 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) [2024-10-14 15:25:10,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 15:25:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:12,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 8831 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:25:12,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:25:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 15:25:12,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:25:12,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017712694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:25:12,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:25:12,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 15:25:12,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290472381] [2024-10-14 15:25:12,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:25:12,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:25:12,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:25:12,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:25:12,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:25:12,875 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) [2024-10-14 15:25:13,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:25:13,748 INFO L93 Difference]: Finished difference Result 833 states and 1175 transitions. [2024-10-14 15:25:13,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:25:13,749 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 [2024-10-14 15:25:13,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:25:13,754 INFO L225 Difference]: With dead ends: 833 [2024-10-14 15:25:13,754 INFO L226 Difference]: Without dead ends: 830 [2024-10-14 15:25:13,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:25:13,756 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 451 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 15:25:13,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 456 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 15:25:13,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-10-14 15:25:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2024-10-14 15:25:13,790 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) [2024-10-14 15:25:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1171 transitions. [2024-10-14 15:25:13,795 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1171 transitions. Word has length 43 [2024-10-14 15:25:13,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:25:13,795 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1171 transitions. [2024-10-14 15:25:13,795 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) [2024-10-14 15:25:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1171 transitions. [2024-10-14 15:25:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 15:25:13,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:25:13,798 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] [2024-10-14 15:25:13,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 15:25:14,003 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 [2024-10-14 15:25:14,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:25:14,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:25:14,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1062731607, now seen corresponding path program 1 times [2024-10-14 15:25:14,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:25:14,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992762651] [2024-10-14 15:25:14,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:25:14,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:25:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:25:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:25:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:25:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:25:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 15:25:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 15:25:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:25:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:25:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:25:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:25:15,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:25:15,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992762651] [2024-10-14 15:25:15,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992762651] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:25:15,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041664995] [2024-10-14 15:25:15,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:25:15,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:25:15,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:25:15,751 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) [2024-10-14 15:25:15,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 15:25:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:17,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 9190 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 15:25:17,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:25:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 15:25:17,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:25:17,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041664995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:25:17,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:25:17,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-10-14 15:25:17,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293687238] [2024-10-14 15:25:17,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:25:17,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:25:17,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:25:17,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:25:17,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:25:17,552 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) [2024-10-14 15:25:22,691 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 [] [2024-10-14 15:25:26,702 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 [] [2024-10-14 15:25:27,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:25:27,047 INFO L93 Difference]: Finished difference Result 835 states and 1177 transitions. [2024-10-14 15:25:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:25:27,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 [2024-10-14 15:25:27,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:25:27,052 INFO L225 Difference]: With dead ends: 835 [2024-10-14 15:25:27,052 INFO L226 Difference]: Without dead ends: 832 [2024-10-14 15:25:27,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:25:27,057 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-10-14 15:25:27,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 887 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2024-10-14 15:25:27,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-10-14 15:25:27,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2024-10-14 15:25:27,089 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) [2024-10-14 15:25:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1173 transitions. [2024-10-14 15:25:27,093 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1173 transitions. Word has length 79 [2024-10-14 15:25:27,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:25:27,094 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1173 transitions. [2024-10-14 15:25:27,095 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) [2024-10-14 15:25:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1173 transitions. [2024-10-14 15:25:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 15:25:27,099 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:25:27,099 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] [2024-10-14 15:25:27,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 15:25:27,300 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 [2024-10-14 15:25:27,301 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:25:27,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:25:27,302 INFO L85 PathProgramCache]: Analyzing trace with hash 931073565, now seen corresponding path program 1 times [2024-10-14 15:25:27,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:25:27,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999886482] [2024-10-14 15:25:27,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:25:27,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:25:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:25:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:25:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:25:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:25:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 15:25:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 15:25:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:25:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:25:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:25:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:25:28,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:25:28,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999886482] [2024-10-14 15:25:28,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999886482] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:25:28,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141296818] [2024-10-14 15:25:28,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:25:28,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:25:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:25:28,755 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) [2024-10-14 15:25:28,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 15:25:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:25:30,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 9195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 15:25:30,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:25:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 15:25:30,526 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:25:30,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141296818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:25:30,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:25:30,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-10-14 15:25:30,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196936852] [2024-10-14 15:25:30,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:25:30,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:25:30,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:25:30,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:25:30,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:25:30,530 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) [2024-10-14 15:25:35,565 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 []