./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-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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-3.0/module_get_put-drivers-net-pppox.ko.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 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:20:21,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:20:21,512 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:20:21,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:20:21,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:20:21,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:20:21,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:20:21,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:20:21,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:20:21,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:20:21,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:20:21,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:20:21,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:20:21,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:20:21,551 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:20:21,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:20:21,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:20:21,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:20:21,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:20:21,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:20:21,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:20:21,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:20:21,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:20:21,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:20:21,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:20:21,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:20:21,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:20:21,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:20:21,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:20:21,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:20:21,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:20:21,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:20:21,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:20:21,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:20:21,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:20:21,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:20:21,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:20:21,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:20:21,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:20:21,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 [2024-11-20 10:20:21,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:20:21,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:20:21,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:20:21,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:20:21,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:20:21,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2024-11-20 10:20:23,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:20:23,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:20:23,685 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2024-11-20 10:20:23,716 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a114a0825/d128d1a9a20f48df9c064ae62394a02b/FLAG855c72679 [2024-11-20 10:20:23,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a114a0825/d128d1a9a20f48df9c064ae62394a02b [2024-11-20 10:20:23,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:20:23,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:20:23,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:20:23,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:20:23,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:20:23,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:20:23" (1/1) ... [2024-11-20 10:20:23,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c6e8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:23, skipping insertion in model container [2024-11-20 10:20:23,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:20:23" (1/1) ... [2024-11-20 10:20:23,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:20:24,496 WARN L250 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-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i[141033,141046] [2024-11-20 10:20:24,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:20:24,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:20:24,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4823-4824] [2024-11-20 10:20:24,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4826-4827] [2024-11-20 10:20:24,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4830-4831] [2024-11-20 10:20:24,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4833-4834] [2024-11-20 10:20:24,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4837-4838] [2024-11-20 10:20:24,657 WARN L250 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-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i[141033,141046] [2024-11-20 10:20:24,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:20:24,691 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:20:24,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24 WrapperNode [2024-11-20 10:20:24,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:20:24,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:20:24,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:20:24,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:20:24,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,756 INFO L138 Inliner]: procedures = 49, calls = 66, calls flagged for inlining = 22, calls inlined = 15, statements flattened = 185 [2024-11-20 10:20:24,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:20:24,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:20:24,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:20:24,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:20:24,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,803 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 3, 9, 3]. 53 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 0, 4, 3]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-20 10:20:24,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:20:24,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:20:24,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:20:24,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:20:24,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (1/1) ... [2024-11-20 10:20:24,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:20:24,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:20:24,874 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) [2024-11-20 10:20:24,878 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 [2024-11-20 10:20:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:20:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-20 10:20:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-20 10:20:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:20:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:20:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:20:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:20:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:20:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:20:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:20:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:20:25,075 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:20:25,077 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:20:25,086 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-20 10:20:25,265 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2024-11-20 10:20:25,266 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2024-11-20 10:20:25,338 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-20 10:20:25,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:20:25,354 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:20:25,355 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:20:25,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:20:25 BoogieIcfgContainer [2024-11-20 10:20:25,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:20:25,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:20:25,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:20:25,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:20:25,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:20:23" (1/3) ... [2024-11-20 10:20:25,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75aa6d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:20:25, skipping insertion in model container [2024-11-20 10:20:25,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:20:24" (2/3) ... [2024-11-20 10:20:25,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75aa6d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:20:25, skipping insertion in model container [2024-11-20 10:20:25,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:20:25" (3/3) ... [2024-11-20 10:20:25,363 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2024-11-20 10:20:25,379 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:20:25,379 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:20:25,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:20:25,459 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;@307d2444, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:20:25,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:20:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 45 states have internal predecessors, (56), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 10:20:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 10:20:25,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:20:25,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:20:25,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:20:25,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:20:25,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1463411066, now seen corresponding path program 1 times [2024-11-20 10:20:25,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:20:25,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723875370] [2024-11-20 10:20:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:25,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:20:25,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:25,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723875370] [2024-11-20 10:20:25,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723875370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:25,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:20:25,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 10:20:25,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109619968] [2024-11-20 10:20:25,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:25,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 10:20:25,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:25,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 10:20:25,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:20:25,813 INFO L87 Difference]: Start difference. First operand has 49 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 45 states have internal predecessors, (56), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-20 10:20:25,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:20:25,870 INFO L93 Difference]: Finished difference Result 125 states and 166 transitions. [2024-11-20 10:20:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 10:20:25,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 10 [2024-11-20 10:20:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:20:25,891 INFO L225 Difference]: With dead ends: 125 [2024-11-20 10:20:25,892 INFO L226 Difference]: Without dead ends: 73 [2024-11-20 10:20:25,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:20:25,899 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 46 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 10:20:25,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 97 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 10:20:25,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-20 10:20:25,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2024-11-20 10:20:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 64 states have internal predecessors, (83), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 10:20:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2024-11-20 10:20:25,949 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 10 [2024-11-20 10:20:25,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:20:25,950 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2024-11-20 10:20:25,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-20 10:20:25,951 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2024-11-20 10:20:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 10:20:25,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:20:25,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:20:25,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:20:25,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:20:25,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:20:25,955 INFO L85 PathProgramCache]: Analyzing trace with hash 730853767, now seen corresponding path program 1 times [2024-11-20 10:20:25,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:20:25,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865301565] [2024-11-20 10:20:25,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:25,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:20:26,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:26,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865301565] [2024-11-20 10:20:26,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865301565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:26,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:20:26,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:20:26,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299991698] [2024-11-20 10:20:26,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:26,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:20:26,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:26,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:20:26,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:20:26,206 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 10:20:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:20:26,242 INFO L93 Difference]: Finished difference Result 129 states and 167 transitions. [2024-11-20 10:20:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:20:26,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-20 10:20:26,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:20:26,244 INFO L225 Difference]: With dead ends: 129 [2024-11-20 10:20:26,244 INFO L226 Difference]: Without dead ends: 65 [2024-11-20 10:20:26,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:20:26,246 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 10:20:26,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 10:20:26,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-20 10:20:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-20 10:20:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 60 states have (on average 1.3) internal successors, (78), 61 states have internal predecessors, (78), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 10:20:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2024-11-20 10:20:26,254 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 27 [2024-11-20 10:20:26,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:20:26,254 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-11-20 10:20:26,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 10:20:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-11-20 10:20:26,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 10:20:26,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:20:26,256 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:20:26,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 10:20:26,256 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:20:26,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:20:26,257 INFO L85 PathProgramCache]: Analyzing trace with hash -866740415, now seen corresponding path program 1 times [2024-11-20 10:20:26,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:20:26,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582356083] [2024-11-20 10:20:26,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:26,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:20:26,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582356083] [2024-11-20 10:20:26,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582356083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:26,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:20:26,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 10:20:26,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170970999] [2024-11-20 10:20:26,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:26,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:20:26,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:26,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:20:26,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:20:26,454 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 10:20:26,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:20:26,504 INFO L93 Difference]: Finished difference Result 106 states and 133 transitions. [2024-11-20 10:20:26,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 10:20:26,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-20 10:20:26,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:20:26,507 INFO L225 Difference]: With dead ends: 106 [2024-11-20 10:20:26,508 INFO L226 Difference]: Without dead ends: 103 [2024-11-20 10:20:26,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:20:26,511 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 49 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 10:20:26,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 160 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 10:20:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-20 10:20:26,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2024-11-20 10:20:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 89 states have internal predecessors, (116), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 10:20:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2024-11-20 10:20:26,529 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 123 transitions. Word has length 29 [2024-11-20 10:20:26,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:20:26,530 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 123 transitions. [2024-11-20 10:20:26,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 10:20:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2024-11-20 10:20:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 10:20:26,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:20:26,532 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-20 10:20:26,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 10:20:26,532 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:20:26,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:20:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash -349314266, now seen corresponding path program 1 times [2024-11-20 10:20:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:20:26,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045338751] [2024-11-20 10:20:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:26,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:20:26,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:26,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045338751] [2024-11-20 10:20:26,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045338751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:26,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:20:26,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:20:26,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039191019] [2024-11-20 10:20:26,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:26,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:20:26,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:26,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:20:26,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:20:26,661 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-11-20 10:20:26,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:20:26,696 INFO L93 Difference]: Finished difference Result 165 states and 214 transitions. [2024-11-20 10:20:26,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:20:26,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 33 [2024-11-20 10:20:26,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:20:26,700 INFO L225 Difference]: With dead ends: 165 [2024-11-20 10:20:26,701 INFO L226 Difference]: Without dead ends: 95 [2024-11-20 10:20:26,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:20:26,702 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 10:20:26,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 10:20:26,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-20 10:20:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-20 10:20:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 89 states have internal predecessors, (114), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 10:20:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 121 transitions. [2024-11-20 10:20:26,715 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 121 transitions. Word has length 33 [2024-11-20 10:20:26,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:20:26,716 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 121 transitions. [2024-11-20 10:20:26,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-11-20 10:20:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2024-11-20 10:20:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-20 10:20:26,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:20:26,720 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-20 10:20:26,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 10:20:26,720 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:20:26,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:20:26,721 INFO L85 PathProgramCache]: Analyzing trace with hash 120144898, now seen corresponding path program 1 times [2024-11-20 10:20:26,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:20:26,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750146323] [2024-11-20 10:20:26,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:26,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 10:20:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:20:27,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:27,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750146323] [2024-11-20 10:20:27,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750146323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:27,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:20:27,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 10:20:27,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99190055] [2024-11-20 10:20:27,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:27,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 10:20:27,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:27,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 10:20:27,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-20 10:20:27,632 INFO L87 Difference]: Start difference. First operand 95 states and 121 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 10:20:27,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:20:27,806 INFO L93 Difference]: Finished difference Result 157 states and 194 transitions. [2024-11-20 10:20:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 10:20:27,807 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-20 10:20:27,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:20:27,808 INFO L225 Difference]: With dead ends: 157 [2024-11-20 10:20:27,809 INFO L226 Difference]: Without dead ends: 83 [2024-11-20 10:20:27,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 10:20:27,810 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 10 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 10:20:27,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 316 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 10:20:27,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-20 10:20:27,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 73. [2024-11-20 10:20:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 68 states have internal predecessors, (83), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 10:20:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2024-11-20 10:20:27,818 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 40 [2024-11-20 10:20:27,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:20:27,818 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2024-11-20 10:20:27,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 10:20:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2024-11-20 10:20:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-20 10:20:27,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:20:27,820 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-20 10:20:27,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 10:20:27,820 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:20:27,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:20:27,821 INFO L85 PathProgramCache]: Analyzing trace with hash -2088157670, now seen corresponding path program 1 times [2024-11-20 10:20:27,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:20:27,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253400306] [2024-11-20 10:20:27,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:27,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:27,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 10:20:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 10:20:28,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:28,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253400306] [2024-11-20 10:20:28,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253400306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:28,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:20:28,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 10:20:28,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085650085] [2024-11-20 10:20:28,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:28,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 10:20:28,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:28,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 10:20:28,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 10:20:28,066 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 10:20:28,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:20:28,121 INFO L93 Difference]: Finished difference Result 75 states and 90 transitions. [2024-11-20 10:20:28,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 10:20:28,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2024-11-20 10:20:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:20:28,122 INFO L225 Difference]: With dead ends: 75 [2024-11-20 10:20:28,122 INFO L226 Difference]: Without dead ends: 67 [2024-11-20 10:20:28,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-20 10:20:28,125 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 20 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 10:20:28,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 98 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 10:20:28,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-20 10:20:28,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-20 10:20:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 62 states have internal predecessors, (77), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 10:20:28,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 82 transitions. [2024-11-20 10:20:28,137 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 82 transitions. Word has length 42 [2024-11-20 10:20:28,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:20:28,137 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 82 transitions. [2024-11-20 10:20:28,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 10:20:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2024-11-20 10:20:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-20 10:20:28,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:20:28,139 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:20:28,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 10:20:28,139 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:20:28,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:20:28,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2113877999, now seen corresponding path program 1 times [2024-11-20 10:20:28,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:20:28,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601665000] [2024-11-20 10:20:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:28,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:28,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 10:20:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:20:28,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:28,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601665000] [2024-11-20 10:20:28,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601665000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:20:28,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555868079] [2024-11-20 10:20:28,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:28,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:20:28,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:20:28,315 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) [2024-11-20 10:20:28,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 10:20:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:28,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 10:20:28,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 10:20:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:20:28,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 10:20:28,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555868079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:28,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 10:20:28,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-11-20 10:20:28,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071995638] [2024-11-20 10:20:28,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:28,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:20:28,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:20:28,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:20:28,613 INFO L87 Difference]: Start difference. First operand 67 states and 82 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 10:20:28,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:20:28,628 INFO L93 Difference]: Finished difference Result 67 states and 82 transitions. [2024-11-20 10:20:28,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 10:20:28,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2024-11-20 10:20:28,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:20:28,629 INFO L225 Difference]: With dead ends: 67 [2024-11-20 10:20:28,630 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 10:20:28,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:20:28,631 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 16 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 10:20:28,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 73 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 10:20:28,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 10:20:28,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 10:20:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 10:20:28,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 10:20:28,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2024-11-20 10:20:28,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:20:28,633 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 10:20:28,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 10:20:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 10:20:28,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 10:20:28,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 10:20:28,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 10:20:28,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:20:28,841 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:20:28,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 10:20:28,920 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 10:20:28,929 WARN L156 FloydHoareUtils]: Requires clause for ldv_module_put contained old-variable. Original clause: (and (<= |old(~ldv_module_refcounter~0)| 2) (= 2 ~ldv_module_refcounter~0) (<= 2 |old(~ldv_module_refcounter~0)|)) Eliminated clause: (= 2 ~ldv_module_refcounter~0) [2024-11-20 10:20:28,943 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~module!offset [2024-11-20 10:20:28,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~module!base [2024-11-20 10:20:28,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE [2024-11-20 10:20:28,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING [2024-11-20 10:20:28,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED [2024-11-20 10:20:28,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING [2024-11-20 10:20:28,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE [2024-11-20 10:20:28,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE [2024-11-20 10:20:28,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND [2024-11-20 10:20:28,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND [2024-11-20 10:20:28,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME [2024-11-20 10:20:28,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE [2024-11-20 10:20:28,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET [2024-11-20 10:20:28,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES [2024-11-20 10:20:28,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE [2024-11-20 10:20:28,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING [2024-11-20 10:20:28,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING [2024-11-20 10:20:28,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_FREE [2024-11-20 10:20:28,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_UNCONNECTED [2024-11-20 10:20:28,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_CONNECTING [2024-11-20 10:20:28,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_CONNECTED [2024-11-20 10:20:28,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_DISCONNECTING [2024-11-20 10:20:28,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_BIDIRECTIONAL [2024-11-20 10:20:28,952 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_TO_DEVICE [2024-11-20 10:20:28,952 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_FROM_DEVICE [2024-11-20 10:20:28,952 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_NONE [2024-11-20 10:20:28,953 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hrtimer_restart~0~HRTIMER_NORESTART [2024-11-20 10:20:28,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hrtimer_restart~0~HRTIMER_RESTART [2024-11-20 10:20:28,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID [2024-11-20 10:20:28,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID [2024-11-20 10:20:28,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID [2024-11-20 10:20:28,964 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX [2024-11-20 10:20:28,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_INACTIVE [2024-11-20 10:20:28,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_ACTIVE [2024-11-20 10:20:28,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_ON [2024-11-20 10:20:28,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_OFF [2024-11-20 10:20:28,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~__NETDEV_TX_MIN [2024-11-20 10:20:28,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_OK [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_BUSY [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_LOCKED [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_CONSUMED [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_ANOTHER [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_EXACT [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_PASS [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_NONE [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_HANDLED [2024-11-20 10:20:28,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_WAKE_THREAD [2024-11-20 10:20:28,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE [2024-11-20 10:20:28,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING [2024-11-20 10:20:28,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED [2024-11-20 10:20:28,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING [2024-11-20 10:20:28,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE [2024-11-20 10:20:28,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE [2024-11-20 10:20:28,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND [2024-11-20 10:20:28,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND [2024-11-20 10:20:28,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME [2024-11-20 10:20:28,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE [2024-11-20 10:20:28,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET [2024-11-20 10:20:28,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES [2024-11-20 10:20:28,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE [2024-11-20 10:20:28,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING [2024-11-20 10:20:28,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING [2024-11-20 10:20:28,981 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_FREE [2024-11-20 10:20:28,981 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_UNCONNECTED [2024-11-20 10:20:28,981 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_CONNECTING [2024-11-20 10:20:28,981 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_CONNECTED [2024-11-20 10:20:28,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_DISCONNECTING [2024-11-20 10:20:28,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_BIDIRECTIONAL [2024-11-20 10:20:28,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_TO_DEVICE [2024-11-20 10:20:28,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_FROM_DEVICE [2024-11-20 10:20:28,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_NONE [2024-11-20 10:20:28,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hrtimer_restart~0~HRTIMER_NORESTART [2024-11-20 10:20:28,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hrtimer_restart~0~HRTIMER_RESTART [2024-11-20 10:20:28,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID [2024-11-20 10:20:28,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID [2024-11-20 10:20:28,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID [2024-11-20 10:20:28,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX [2024-11-20 10:20:28,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_INACTIVE [2024-11-20 10:20:28,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_ACTIVE [2024-11-20 10:20:28,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_ON [2024-11-20 10:20:28,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_OFF [2024-11-20 10:20:28,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~__NETDEV_TX_MIN [2024-11-20 10:20:28,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_OK [2024-11-20 10:20:28,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_BUSY [2024-11-20 10:20:28,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_LOCKED [2024-11-20 10:20:28,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_CONSUMED [2024-11-20 10:20:28,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_ANOTHER [2024-11-20 10:20:28,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_EXACT [2024-11-20 10:20:28,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_PASS [2024-11-20 10:20:28,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_NONE [2024-11-20 10:20:28,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_HANDLED [2024-11-20 10:20:28,986 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_WAKE_THREAD [2024-11-20 10:20:28,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:20:28 BoogieIcfgContainer [2024-11-20 10:20:28,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 10:20:28,987 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 10:20:28,987 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 10:20:28,987 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 10:20:28,988 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:20:25" (3/4) ... [2024-11-20 10:20:28,991 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 10:20:28,995 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2024-11-20 10:20:28,996 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2024-11-20 10:20:29,003 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-20 10:20:29,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-20 10:20:29,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 10:20:29,005 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 10:20:29,125 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 10:20:29,125 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 10:20:29,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 10:20:29,126 INFO L158 Benchmark]: Toolchain (without parser) took 5388.19ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 92.8MB in the beginning and 186.3MB in the end (delta: -93.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 10:20:29,126 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 10:20:29,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.03ms. Allocated memory is still 169.9MB. Free memory was 92.5MB in the beginning and 88.4MB in the end (delta: 4.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-20 10:20:29,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.13ms. Allocated memory is still 169.9MB. Free memory was 88.4MB in the beginning and 85.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 10:20:29,127 INFO L158 Benchmark]: Boogie Preprocessor took 68.63ms. Allocated memory is still 169.9MB. Free memory was 85.6MB in the beginning and 82.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 10:20:29,127 INFO L158 Benchmark]: RCFGBuilder took 525.23ms. Allocated memory is still 169.9MB. Free memory was 82.8MB in the beginning and 127.8MB in the end (delta: -44.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-20 10:20:29,128 INFO L158 Benchmark]: TraceAbstraction took 3629.18ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 127.8MB in the beginning and 193.6MB in the end (delta: -65.8MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB. [2024-11-20 10:20:29,128 INFO L158 Benchmark]: Witness Printer took 138.49ms. Allocated memory is still 237.0MB. Free memory was 193.6MB in the beginning and 186.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-20 10:20:29,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.03ms. Allocated memory is still 169.9MB. Free memory was 92.5MB in the beginning and 88.4MB in the end (delta: 4.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.13ms. Allocated memory is still 169.9MB. Free memory was 88.4MB in the beginning and 85.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.63ms. Allocated memory is still 169.9MB. Free memory was 85.6MB in the beginning and 82.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 525.23ms. Allocated memory is still 169.9MB. Free memory was 82.8MB in the beginning and 127.8MB in the end (delta: -44.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3629.18ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 127.8MB in the beginning and 193.6MB in the end (delta: -65.8MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB. * Witness Printer took 138.49ms. Allocated memory is still 237.0MB. Free memory was 193.6MB in the beginning and 186.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4823]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4823-4824] - GenericResultAtLocation [Line: 4826]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4826-4827] - GenericResultAtLocation [Line: 4830]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4830-4831] - GenericResultAtLocation [Line: 4833]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4833-4834] - GenericResultAtLocation [Line: 4837]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4837-4838] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~module!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~module!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_FREE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_UNCONNECTED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_CONNECTING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_CONNECTED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_DISCONNECTING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_BIDIRECTIONAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_TO_DEVICE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_FROM_DEVICE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hrtimer_restart~0~HRTIMER_NORESTART - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hrtimer_restart~0~HRTIMER_RESTART - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_INACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_ACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_ON - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_OFF - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~__NETDEV_TX_MIN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_OK - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_BUSY - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_LOCKED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_CONSUMED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_ANOTHER - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_EXACT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_PASS - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_HANDLED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_WAKE_THREAD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_FREE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_UNCONNECTED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_CONNECTING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_CONNECTED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_13697~0~SS_DISCONNECTING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_BIDIRECTIONAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_TO_DEVICE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_FROM_DEVICE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~dma_data_direction~0~DMA_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hrtimer_restart~0~HRTIMER_NORESTART - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hrtimer_restart~0~HRTIMER_RESTART - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_INACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_ACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_ON - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ethtool_phys_id_state~0~ETHTOOL_ID_OFF - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~__NETDEV_TX_MIN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_OK - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_BUSY - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~netdev_tx~0~NETDEV_TX_LOCKED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_CONSUMED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_ANOTHER - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_EXACT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rx_handler_result~0~RX_HANDLER_PASS - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_HANDLED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~irqreturn~0~IRQ_WAKE_THREAD * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4995]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 1132 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 769 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 221 IncrementalHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 363 mSDtfsCounter, 221 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=3, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 964 SizeOfPredicates, 1 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 47/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 5028]: Procedure Contract for ldv_module_put Derived contract for procedure ldv_module_put. Requires: (2 == ldv_module_refcounter) Ensures: (((2 == \old(ldv_module_refcounter)) && ((ldv_module_refcounter == 1) || (2 == ldv_module_refcounter))) && ((((__this_module == \old(__this_module)) && (pppox_protos == \old(pppox_protos))) && (pppox_proto_family == \old(pppox_proto_family))) && (LDV_IN_INTERRUPT == \old(LDV_IN_INTERRUPT)))) - ProcedureContractResult [Line: 4992]: Procedure Contract for ldv_blast_assert Derived contract for procedure ldv_blast_assert. Requires: 0 Ensures: (0 && (((((__this_module == \old(__this_module)) && (pppox_protos == \old(pppox_protos))) && (pppox_proto_family == \old(pppox_proto_family))) && (LDV_IN_INTERRUPT == \old(LDV_IN_INTERRUPT))) && (ldv_module_refcounter == \old(ldv_module_refcounter)))) RESULT: Ultimate proved your program to be correct! [2024-11-20 10:20:29,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE