./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/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_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 07:05:55,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:05:55,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 07:05:55,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:05:55,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:05:55,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:05:55,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:05:55,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:05:55,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:05:55,208 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:05:55,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:05:55,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:05:55,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:05:55,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:05:55,208 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:05:55,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:05:55,209 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:05:55,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:05:55,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:05:55,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:05:55,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:05:55,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:05:55,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:05:55,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:05:55,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:05:55,211 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_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 07:05:55,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:05:55,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:05:55,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:05:55,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:05:55,456 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:05:55,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-12-02 07:05:58,208 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/data/0fc2b6bad/637589366d3249f2bf9fbebadafbe863/FLAG4a61aef50 [2024-12-02 07:05:58,589 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:05:58,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-12-02 07:05:58,613 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/data/0fc2b6bad/637589366d3249f2bf9fbebadafbe863/FLAG4a61aef50 [2024-12-02 07:05:58,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/data/0fc2b6bad/637589366d3249f2bf9fbebadafbe863 [2024-12-02 07:05:58,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:05:58,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:05:58,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:05:58,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:05:58,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:05:58,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:05:58" (1/1) ... [2024-12-02 07:05:58,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294aa02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:58, skipping insertion in model container [2024-12-02 07:05:58,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:05:58" (1/1) ... [2024-12-02 07:05:58,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:05:59,355 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_9cd4453a-8082-43ad-bae8-50560eddcf40/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] [2024-12-02 07:05:59,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:05:59,405 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:05:59,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] [2024-12-02 07:05:59,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] [2024-12-02 07:05:59,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] [2024-12-02 07:05:59,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] [2024-12-02 07:05:59,614 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_9cd4453a-8082-43ad-bae8-50560eddcf40/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] [2024-12-02 07:05:59,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:05:59,675 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:05:59,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59 WrapperNode [2024-12-02 07:05:59,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:05:59,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:05:59,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:05:59,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:05:59,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,766 INFO L138 Inliner]: procedures = 99, calls = 572, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 2020 [2024-12-02 07:05:59,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:05:59,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:05:59,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:05:59,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:05:59,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,844 INFO L175 MemorySlicer]: Split 281 memory accesses to 11 slices as follows [2, 2, 2, 29, 2, 18, 10, 143, 69, 2, 2]. 51 percent of accesses are in the largest equivalence class. The 188 initializations are split as follows [2, 2, 2, 0, 2, 16, 9, 143, 8, 2, 2]. The 31 writes are split as follows [0, 0, 0, 10, 0, 1, 0, 0, 20, 0, 0]. [2024-12-02 07:05:59,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,882 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:05:59,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:05:59,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:05:59,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:05:59,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (1/1) ... [2024-12-02 07:05:59,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:05:59,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:05:59,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:05:59,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 07:05:59,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 07:05:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 07:05:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 07:05:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2024-12-02 07:05:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 07:05:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 07:05:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 07:05:59,980 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:05:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 07:05:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-12-02 07:05:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:05:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 07:05:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 07:05:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-12-02 07:05:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 07:05:59,982 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-12-02 07:05:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 07:05:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 07:05:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 07:05:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-02 07:05:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-02 07:05:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 07:05:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-02 07:05:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-12-02 07:05:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-12-02 07:05:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-12-02 07:05:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-12-02 07:05:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-12-02 07:05:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:05:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:06:00,285 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:06:00,286 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:06:00,341 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 07:06:02,062 INFO L? ?]: Removed 404 outVars from TransFormulas that were not future-live. [2024-12-02 07:06:02,062 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:06:02,084 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:06:02,085 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:06:02,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:06:02 BoogieIcfgContainer [2024-12-02 07:06:02,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:06:02,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:06:02,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:06:02,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:06:02,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:05:58" (1/3) ... [2024-12-02 07:06:02,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670c9991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:06:02, skipping insertion in model container [2024-12-02 07:06:02,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:59" (2/3) ... [2024-12-02 07:06:02,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670c9991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:06:02, skipping insertion in model container [2024-12-02 07:06:02,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:06:02" (3/3) ... [2024-12-02 07:06:02,094 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-12-02 07:06:02,109 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:06:02,111 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. [2024-12-02 07:06:02,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:06:02,184 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;@5c615584, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:06:02,184 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:06:02,190 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) [2024-12-02 07:06:02,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 07:06:02,197 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:06:02,197 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:06:02,198 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:06:02,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:06:02,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1110968593, now seen corresponding path program 1 times [2024-12-02 07:06:02,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:06:02,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489867740] [2024-12-02 07:06:02,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:06:02,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:06:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:06:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:06:02,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:06:02,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489867740] [2024-12-02 07:06:02,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489867740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:06:02,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:06:02,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:06:02,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118643878] [2024-12-02 07:06:02,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:06:02,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:06:02,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:06:02,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:06:02,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:06:02,589 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) [2024-12-02 07:06:02,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:06:02,733 INFO L93 Difference]: Finished difference Result 1541 states and 2363 transitions. [2024-12-02 07:06:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:06:02,735 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 [2024-12-02 07:06:02,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:06:02,748 INFO L225 Difference]: With dead ends: 1541 [2024-12-02 07:06:02,749 INFO L226 Difference]: Without dead ends: 790 [2024-12-02 07:06:02,755 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 [2024-12-02 07:06:02,757 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:06:02,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1256 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:06:02,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-12-02 07:06:02,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-12-02 07:06:02,837 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) [2024-12-02 07:06:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1186 transitions. [2024-12-02 07:06:02,847 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1186 transitions. Word has length 15 [2024-12-02 07:06:02,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:06:02,848 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1186 transitions. [2024-12-02 07:06:02,848 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) [2024-12-02 07:06:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1186 transitions. [2024-12-02 07:06:02,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 07:06:02,850 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:06:02,850 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] [2024-12-02 07:06:02,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:06:02,850 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:06:02,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:06:02,851 INFO L85 PathProgramCache]: Analyzing trace with hash 845395862, now seen corresponding path program 1 times [2024-12-02 07:06:02,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:06:02,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160186844] [2024-12-02 07:06:02,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:06:02,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:06:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:06:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:06:03,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:06:03,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160186844] [2024-12-02 07:06:03,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160186844] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:06:03,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:06:03,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:06:03,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117825443] [2024-12-02 07:06:03,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:06:03,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:06:03,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:06:03,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:06:03,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:06:03,019 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) [2024-12-02 07:06:03,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:06:03,088 INFO L93 Difference]: Finished difference Result 1577 states and 2369 transitions. [2024-12-02 07:06:03,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:06:03,088 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 [2024-12-02 07:06:03,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:06:03,094 INFO L225 Difference]: With dead ends: 1577 [2024-12-02 07:06:03,094 INFO L226 Difference]: Without dead ends: 790 [2024-12-02 07:06:03,096 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 [2024-12-02 07:06:03,097 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 [2024-12-02 07:06:03,097 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] [2024-12-02 07:06:03,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-12-02 07:06:03,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-12-02 07:06:03,149 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) [2024-12-02 07:06:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1184 transitions. [2024-12-02 07:06:03,156 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1184 transitions. Word has length 25 [2024-12-02 07:06:03,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:06:03,156 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1184 transitions. [2024-12-02 07:06:03,156 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) [2024-12-02 07:06:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1184 transitions. [2024-12-02 07:06:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 07:06:03,157 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:06:03,157 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] [2024-12-02 07:06:03,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:06:03,157 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:06:03,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:06:03,158 INFO L85 PathProgramCache]: Analyzing trace with hash -434467816, now seen corresponding path program 1 times [2024-12-02 07:06:03,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:06:03,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438944186] [2024-12-02 07:06:03,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:06:03,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:06:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:06:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:06:03,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:06:03,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438944186] [2024-12-02 07:06:03,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438944186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:06:03,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:06:03,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:06:03,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280231013] [2024-12-02 07:06:03,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:06:03,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:06:03,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:06:03,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:06:03,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:06:03,294 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) [2024-12-02 07:06:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:06:03,350 INFO L93 Difference]: Finished difference Result 1577 states and 2365 transitions. [2024-12-02 07:06:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:06:03,351 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 [2024-12-02 07:06:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:06:03,356 INFO L225 Difference]: With dead ends: 1577 [2024-12-02 07:06:03,356 INFO L226 Difference]: Without dead ends: 790 [2024-12-02 07:06:03,358 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 [2024-12-02 07:06:03,358 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 [2024-12-02 07:06:03,359 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] [2024-12-02 07:06:03,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-12-02 07:06:03,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-12-02 07:06:03,400 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) [2024-12-02 07:06:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1183 transitions. [2024-12-02 07:06:03,406 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1183 transitions. Word has length 25 [2024-12-02 07:06:03,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:06:03,406 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1183 transitions. [2024-12-02 07:06:03,406 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) [2024-12-02 07:06:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1183 transitions. [2024-12-02 07:06:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-02 07:06:03,407 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:06:03,407 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] [2024-12-02 07:06:03,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:06:03,407 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:06:03,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:06:03,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1367724808, now seen corresponding path program 1 times [2024-12-02 07:06:03,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:06:03,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411958391] [2024-12-02 07:06:03,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:06:03,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:06:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:06:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:06:03,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:06:03,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411958391] [2024-12-02 07:06:03,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411958391] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:06:03,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:06:03,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:06:03,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519657129] [2024-12-02 07:06:03,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:06:03,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:06:03,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:06:03,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:06:03,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:06:03,524 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) [2024-12-02 07:06:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:06:03,594 INFO L93 Difference]: Finished difference Result 800 states and 1191 transitions. [2024-12-02 07:06:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:06:03,595 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 [2024-12-02 07:06:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:06:03,599 INFO L225 Difference]: With dead ends: 800 [2024-12-02 07:06:03,600 INFO L226 Difference]: Without dead ends: 795 [2024-12-02 07:06:03,600 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 [2024-12-02 07:06:03,601 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 [2024-12-02 07:06:03,601 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] [2024-12-02 07:06:03,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-12-02 07:06:03,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 790. [2024-12-02 07:06:03,648 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) [2024-12-02 07:06:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1182 transitions. [2024-12-02 07:06:03,654 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1182 transitions. Word has length 41 [2024-12-02 07:06:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:06:03,654 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1182 transitions. [2024-12-02 07:06:03,654 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) [2024-12-02 07:06:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1182 transitions. [2024-12-02 07:06:03,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-02 07:06:03,656 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:06:03,656 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] [2024-12-02 07:06:03,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:06:03,656 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:06:03,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:06:03,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1424983110, now seen corresponding path program 1 times [2024-12-02 07:06:03,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:06:03,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250339726] [2024-12-02 07:06:03,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:06:03,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:06:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:06:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:06:03,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:06:03,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250339726] [2024-12-02 07:06:03,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250339726] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:06:03,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:06:03,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:06:03,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578806412] [2024-12-02 07:06:03,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:06:03,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:06:03,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:06:03,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:06:03,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:06:03,790 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) [2024-12-02 07:06:03,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:06:03,857 INFO L93 Difference]: Finished difference Result 790 states and 1182 transitions. [2024-12-02 07:06:03,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:06:03,857 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 [2024-12-02 07:06:03,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:06:03,858 INFO L225 Difference]: With dead ends: 790 [2024-12-02 07:06:03,858 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:06:03,860 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 [2024-12-02 07:06:03,860 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 [2024-12-02 07:06:03,861 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] [2024-12-02 07:06:03,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:06:03,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:06:03,861 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) [2024-12-02 07:06:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:06:03,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-12-02 07:06:03,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:06:03,862 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:06:03,862 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) [2024-12-02 07:06:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:06:03,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:06:03,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:06:03,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:06:03,867 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 07:06:03,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 07:06:05,990 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:06:06,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:06:06 BoogieIcfgContainer [2024-12-02 07:06:06,007 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:06:06,008 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:06:06,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:06:06,008 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:06:06,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:06:02" (3/4) ... [2024-12-02 07:06:06,011 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 07:06:06,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2024-12-02 07:06:06,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-12-02 07:06:06,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure check_mirror [2024-12-02 07:06:06,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2024-12-02 07:06:06,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2024-12-02 07:06:06,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-02 07:06:06,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-12-02 07:06:06,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writeb [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioremap [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_suitable_irq_1 [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readb [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-12-02 07:06:06,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2024-12-02 07:06:06,043 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 188 nodes and edges [2024-12-02 07:06:06,046 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2024-12-02 07:06:06,048 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-12-02 07:06:06,051 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 07:06:06,053 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 07:06:06,056 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 07:06:06,059 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 07:06:06,061 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 07:06:06,240 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:06:06,240 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:06:06,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:06:06,241 INFO L158 Benchmark]: Toolchain (without parser) took 7611.99ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 110.7MB in the beginning and 209.6MB in the end (delta: -98.9MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. [2024-12-02 07:06:06,241 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:06:06,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1045.94ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 92.7MB in the end (delta: 18.0MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2024-12-02 07:06:06,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.44ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 81.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:06:06,242 INFO L158 Benchmark]: Boogie Preprocessor took 156.34ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 64.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:06:06,242 INFO L158 Benchmark]: RCFGBuilder took 2161.17ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 64.8MB in the beginning and 216.8MB in the end (delta: -152.0MB). Peak memory consumption was 128.8MB. Max. memory is 16.1GB. [2024-12-02 07:06:06,242 INFO L158 Benchmark]: TraceAbstraction took 3919.78ms. Allocated memory was 293.6MB in the beginning and 352.3MB in the end (delta: 58.7MB). Free memory was 214.7MB in the beginning and 234.5MB in the end (delta: -19.8MB). Peak memory consumption was 154.3MB. Max. memory is 16.1GB. [2024-12-02 07:06:06,243 INFO L158 Benchmark]: Witness Printer took 232.20ms. Allocated memory is still 352.3MB. Free memory was 234.5MB in the beginning and 209.6MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 07:06:06,244 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1045.94ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 92.7MB in the end (delta: 18.0MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.44ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 81.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.34ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 64.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2161.17ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 64.8MB in the beginning and 216.8MB in the end (delta: -152.0MB). Peak memory consumption was 128.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3919.78ms. Allocated memory was 293.6MB in the beginning and 352.3MB in the end (delta: 58.7MB). Free memory was 214.7MB in the beginning and 234.5MB in the end (delta: -19.8MB). Peak memory consumption was 154.3MB. Max. memory is 16.1GB. * Witness Printer took 232.20ms. Allocated memory is still 352.3MB. Free memory was 234.5MB in the beginning and 209.6MB in the end (delta: 24.9MB). 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, 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, 0.0s 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s 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! [2024-12-02 07:06:06,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd4453a-8082-43ad-bae8-50560eddcf40/bin/uautomizer-verify-84ZbGMXZE1/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