./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC --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 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:45:25,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:45:26,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:45:26,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:45:26,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:45:26,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:45:26,123 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:45:26,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:45:26,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:45:26,124 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:45:26,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:45:26,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:45:26,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:45:26,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:45:26,126 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:45:26,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:45:26,127 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:45:26,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:45:26,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:45:26,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:45:26,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:26,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:45:26,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:45:26,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:45:26,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:45:26,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:26,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:45:26,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:45:26,130 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:45:26,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:45:26,130 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:45:26,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:45:26,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:45:26,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:45:26,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:45:26,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:45:26,131 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC 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 -> 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 [2024-11-23 23:45:26,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:45:26,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:45:26,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:45:26,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:45:26,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:45:26,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-11-23 23:45:30,069 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/data/35859a3cb/ba9140d3cf444b1eac2f87263f4e1d64/FLAG5e9d79fe7 [2024-11-23 23:45:30,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:45:30,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-11-23 23:45:30,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/data/35859a3cb/ba9140d3cf444b1eac2f87263f4e1d64/FLAG5e9d79fe7 [2024-11-23 23:45:30,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/data/35859a3cb/ba9140d3cf444b1eac2f87263f4e1d64 [2024-11-23 23:45:30,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:45:30,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:45:30,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:45:30,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:45:30,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:45:30,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:45:30" (1/1) ... [2024-11-23 23:45:30,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209f10b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:30, skipping insertion in model container [2024-11-23 23:45:30,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:45:30" (1/1) ... [2024-11-23 23:45:30,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:45:32,321 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2024-11-23 23:45:32,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:45:32,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:45:32,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] [2024-11-23 23:45:32,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] [2024-11-23 23:45:32,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] [2024-11-23 23:45:32,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] [2024-11-23 23:45:32,851 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2024-11-23 23:45:32,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:45:32,945 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:45:32,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32 WrapperNode [2024-11-23 23:45:32,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:45:32,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:45:32,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:45:32,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:45:32,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:32,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,128 INFO L138 Inliner]: procedures = 99, calls = 572, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 2020 [2024-11-23 23:45:33,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:45:33,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:45:33,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:45:33,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:45:33,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,158 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,273 INFO L175 MemorySlicer]: Split 281 memory accesses to 11 slices as follows [2, 2, 2, 69, 143, 2, 29, 18, 10, 2, 2]. 51 percent of accesses are in the largest equivalence class. The 188 initializations are split as follows [2, 2, 2, 8, 143, 2, 0, 16, 9, 2, 2]. The 31 writes are split as follows [0, 0, 0, 20, 0, 0, 10, 1, 0, 0, 0]. [2024-11-23 23:45:33,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:45:33,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:45:33,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:45:33,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:45:33,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (1/1) ... [2024-11-23 23:45:33,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:33,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:33,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:45:33,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:45:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:45:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:45:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:45:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-23 23:45:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-23 23:45:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:45:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:45:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2024-11-23 23:45:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2024-11-23 23:45:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-23 23:45:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-23 23:45:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:45:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:45:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-23 23:45:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:45:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:45:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:45:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:45:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:45:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-23 23:45:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-23 23:45:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:45:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:45:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:45:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:45:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-23 23:45:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:45:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-23 23:45:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:45:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-23 23:45:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-23 23:45:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:45:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:45:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 23:45:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-23 23:45:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-23 23:45:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-23 23:45:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-23 23:45:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:45:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-23 23:45:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-23 23:45:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-23 23:45:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-23 23:45:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-23 23:45:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-23 23:45:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:45:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:45:34,162 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:45:34,165 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:45:34,268 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:45:36,804 INFO L? ?]: Removed 404 outVars from TransFormulas that were not future-live. [2024-11-23 23:45:36,804 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:45:36,842 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:45:36,843 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:45:36,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:36 BoogieIcfgContainer [2024-11-23 23:45:36,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:45:36,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:45:36,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:45:36,852 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:45:36,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:45:30" (1/3) ... [2024-11-23 23:45:36,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ffb624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:45:36, skipping insertion in model container [2024-11-23 23:45:36,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:32" (2/3) ... [2024-11-23 23:45:36,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ffb624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:45:36, skipping insertion in model container [2024-11-23 23:45:36,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:36" (3/3) ... [2024-11-23 23:45:36,856 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-11-23 23:45:36,875 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:45:36,879 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i that has 23 procedures, 741 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:45:36,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:45:36,996 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;@12427043, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:45:36,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:45:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 740 states, 579 states have (on average 1.4835924006908463) internal successors, (859), 592 states have internal predecessors, (859), 138 states have call successors, (138), 22 states have call predecessors, (138), 21 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-23 23:45:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-23 23:45:37,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:37,014 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:37,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:37,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:37,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1110968593, now seen corresponding path program 1 times [2024-11-23 23:45:37,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:37,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721811891] [2024-11-23 23:45:37,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:37,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:37,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:45:37,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:37,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721811891] [2024-11-23 23:45:37,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721811891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:37,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:37,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:45:37,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216139963] [2024-11-23 23:45:37,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:37,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:37,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:37,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:37,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:37,698 INFO L87 Difference]: Start difference. First operand has 740 states, 579 states have (on average 1.4835924006908463) internal successors, (859), 592 states have internal predecessors, (859), 138 states have call successors, (138), 22 states have call predecessors, (138), 21 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-23 23:45:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:37,957 INFO L93 Difference]: Finished difference Result 1541 states and 2363 transitions. [2024-11-23 23:45:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:37,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 15 [2024-11-23 23:45:37,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:37,995 INFO L225 Difference]: With dead ends: 1541 [2024-11-23 23:45:37,996 INFO L226 Difference]: Without dead ends: 790 [2024-11-23 23:45:38,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:38,013 INFO L435 NwaCegarLoop]: 1143 mSDtfsCounter, 1078 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:38,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1256 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:45:38,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-23 23:45:38,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-23 23:45:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.4599358974358974) internal successors, (911), 631 states have internal predecessors, (911), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-23 23:45:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1186 transitions. [2024-11-23 23:45:38,237 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1186 transitions. Word has length 15 [2024-11-23 23:45:38,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:38,242 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1186 transitions. [2024-11-23 23:45:38,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-23 23:45:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1186 transitions. [2024-11-23 23:45:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 23:45:38,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:38,245 INFO L218 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] [2024-11-23 23:45:38,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:45:38,246 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:38,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:38,248 INFO L85 PathProgramCache]: Analyzing trace with hash 845395862, now seen corresponding path program 1 times [2024-11-23 23:45:38,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:38,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073699871] [2024-11-23 23:45:38,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:38,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:45:38,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:38,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073699871] [2024-11-23 23:45:38,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073699871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:38,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:38,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:45:38,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283519670] [2024-11-23 23:45:38,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:38,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:38,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:38,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:38,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:38,623 INFO L87 Difference]: Start difference. First operand 790 states and 1186 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-11-23 23:45:38,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:38,779 INFO L93 Difference]: Finished difference Result 1577 states and 2369 transitions. [2024-11-23 23:45:38,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:38,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 25 [2024-11-23 23:45:38,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:38,790 INFO L225 Difference]: With dead ends: 1577 [2024-11-23 23:45:38,792 INFO L226 Difference]: Without dead ends: 790 [2024-11-23 23:45:38,794 INFO L434 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 [2024-11-23 23:45:38,796 INFO L435 NwaCegarLoop]: 1106 mSDtfsCounter, 1099 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:38,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-23 23:45:38,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-23 23:45:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.4567307692307692) internal successors, (909), 631 states have internal predecessors, (909), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-23 23:45:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1184 transitions. [2024-11-23 23:45:38,895 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1184 transitions. Word has length 25 [2024-11-23 23:45:38,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:38,896 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1184 transitions. [2024-11-23 23:45:38,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-11-23 23:45:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1184 transitions. [2024-11-23 23:45:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 23:45:38,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:38,898 INFO L218 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] [2024-11-23 23:45:38,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:45:38,898 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:38,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:38,899 INFO L85 PathProgramCache]: Analyzing trace with hash -434467816, now seen corresponding path program 1 times [2024-11-23 23:45:38,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:38,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120748395] [2024-11-23 23:45:38,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:38,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:45:39,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:39,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120748395] [2024-11-23 23:45:39,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120748395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:39,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:39,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:45:39,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784945894] [2024-11-23 23:45:39,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:39,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:39,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:39,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:39,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:39,113 INFO L87 Difference]: Start difference. First operand 790 states and 1184 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-11-23 23:45:39,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:39,260 INFO L93 Difference]: Finished difference Result 1577 states and 2365 transitions. [2024-11-23 23:45:39,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:39,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 25 [2024-11-23 23:45:39,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:39,272 INFO L225 Difference]: With dead ends: 1577 [2024-11-23 23:45:39,272 INFO L226 Difference]: Without dead ends: 790 [2024-11-23 23:45:39,274 INFO L434 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 [2024-11-23 23:45:39,279 INFO L435 NwaCegarLoop]: 1107 mSDtfsCounter, 1093 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:39,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:39,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-23 23:45:39,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-23 23:45:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.455128205128205) internal successors, (908), 631 states have internal predecessors, (908), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-23 23:45:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1183 transitions. [2024-11-23 23:45:39,380 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1183 transitions. Word has length 25 [2024-11-23 23:45:39,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:39,381 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1183 transitions. [2024-11-23 23:45:39,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-11-23 23:45:39,382 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1183 transitions. [2024-11-23 23:45:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-23 23:45:39,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:39,386 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:39,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:45:39,386 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:39,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:39,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1367724808, now seen corresponding path program 1 times [2024-11-23 23:45:39,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:39,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603464308] [2024-11-23 23:45:39,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:39,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:45:39,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:39,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603464308] [2024-11-23 23:45:39,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603464308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:39,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:39,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:45:39,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084173357] [2024-11-23 23:45:39,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:39,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:39,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:39,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:39,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:39,602 INFO L87 Difference]: Start difference. First operand 790 states and 1183 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:45:39,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:39,703 INFO L93 Difference]: Finished difference Result 800 states and 1191 transitions. [2024-11-23 23:45:39,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:39,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-23 23:45:39,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:39,711 INFO L225 Difference]: With dead ends: 800 [2024-11-23 23:45:39,711 INFO L226 Difference]: Without dead ends: 795 [2024-11-23 23:45:39,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:39,715 INFO L435 NwaCegarLoop]: 1111 mSDtfsCounter, 1103 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:39,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 1115 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:39,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-23 23:45:39,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 790. [2024-11-23 23:45:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.453525641025641) internal successors, (907), 631 states have internal predecessors, (907), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-23 23:45:39,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1182 transitions. [2024-11-23 23:45:39,802 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1182 transitions. Word has length 41 [2024-11-23 23:45:39,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:39,803 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1182 transitions. [2024-11-23 23:45:39,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:45:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1182 transitions. [2024-11-23 23:45:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-23 23:45:39,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:39,807 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:39,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:45:39,807 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:39,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:39,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1424983110, now seen corresponding path program 1 times [2024-11-23 23:45:39,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:39,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988630747] [2024-11-23 23:45:39,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:39,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:45:40,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:40,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988630747] [2024-11-23 23:45:40,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988630747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:40,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:40,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:45:40,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063196068] [2024-11-23 23:45:40,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:40,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:40,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:40,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:40,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:40,030 INFO L87 Difference]: Start difference. First operand 790 states and 1182 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:45:40,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:40,132 INFO L93 Difference]: Finished difference Result 790 states and 1182 transitions. [2024-11-23 23:45:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:40,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-23 23:45:40,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:40,134 INFO L225 Difference]: With dead ends: 790 [2024-11-23 23:45:40,134 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:45:40,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:40,137 INFO L435 NwaCegarLoop]: 1105 mSDtfsCounter, 1080 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:40,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:40,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:45:40,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:45:40,140 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) [2024-11-23 23:45:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:45:40,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-23 23:45:40,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:40,141 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:45:40,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:45:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:45:40,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:45:40,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:45:40,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:45:40,151 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 23:45:40,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:45:43,983 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:45:44,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:45:44 BoogieIcfgContainer [2024-11-23 23:45:44,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:45:44,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:45:44,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:45:44,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:45:44,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:36" (3/4) ... [2024-11-23 23:45:44,023 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:45:44,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2024-11-23 23:45:44,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-11-23 23:45:44,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure check_mirror [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writeb [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioremap [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_suitable_irq_1 [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-23 23:45:44,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readb [2024-11-23 23:45:44,031 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-11-23 23:45:44,031 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2024-11-23 23:45:44,062 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 188 nodes and edges [2024-11-23 23:45:44,066 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2024-11-23 23:45:44,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-23 23:45:44,072 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-23 23:45:44,075 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 23:45:44,078 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 23:45:44,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:45:44,084 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:45:44,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:45:44,404 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:45:44,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:45:44,408 INFO L158 Benchmark]: Toolchain (without parser) took 13618.86ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 84.5MB in the beginning and 62.9MB in the end (delta: 21.6MB). Peak memory consumption was 156.0MB. Max. memory is 16.1GB. [2024-11-23 23:45:44,408 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:45:44,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2158.69ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 65.7MB in the end (delta: 18.6MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-23 23:45:44,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.44ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 55.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:45:44,409 INFO L158 Benchmark]: Boogie Preprocessor took 282.51ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 37.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:45:44,409 INFO L158 Benchmark]: RCFGBuilder took 3431.18ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 37.5MB in the beginning and 114.9MB in the end (delta: -77.4MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2024-11-23 23:45:44,410 INFO L158 Benchmark]: TraceAbstraction took 7169.26ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 113.2MB in the beginning and 88.7MB in the end (delta: 24.5MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. [2024-11-23 23:45:44,410 INFO L158 Benchmark]: Witness Printer took 385.24ms. Allocated memory is still 251.7MB. Free memory was 88.7MB in the beginning and 62.9MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:45:44,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2158.69ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 65.7MB in the end (delta: 18.6MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.44ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 55.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 282.51ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 37.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3431.18ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 37.5MB in the beginning and 114.9MB in the end (delta: -77.4MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7169.26ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 113.2MB in the beginning and 88.7MB in the end (delta: 24.5MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. * Witness Printer took 385.24ms. Allocated memory is still 251.7MB. Free memory was 88.7MB in the beginning and 62.9MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5420]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] - GenericResultAtLocation [Line: 5427]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] - GenericResultAtLocation [Line: 5458]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] - GenericResultAtLocation [Line: 5466]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] * 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: 6836]: 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 23 procedures, 741 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5453 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5453 mSDsluCounter, 5689 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5572 mSDtfsCounter, 21 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=790occurred in iteration=1, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6383]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5704]: Loop Invariant Derived loop invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 6339]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 6372]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:45:44,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995b3b8e-7d79-484d-9d14-76f46c49788e/bin/uautomizer-verify-LYvppIcaGC/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