./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU --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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:00:36,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:00:36,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:00:36,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:00:36,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:00:36,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:00:36,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:00:36,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:00:36,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:00:36,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:00:36,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:00:36,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:00:36,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:00:36,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:00:36,379 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:00:36,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:00:36,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:00:36,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:00:36,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:00:36,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:00:36,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:00:36,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:00:36,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:00:36,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:00:36,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:00:36,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:00:36,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:00:36,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:00:36,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:00:36,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:36,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:00:36,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:00:36,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:00:36,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:00:36,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:00:36,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:00:36,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:00:36,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:00:36,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:00:36,389 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2024-10-31 22:00:36,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:00:36,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:00:36,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:00:36,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:00:36,920 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:00:36,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i Unable to find full path for "g++" [2024-10-31 22:00:39,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:00:39,600 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:39,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2024-10-31 22:00:39,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/data/85c00c370/f6e1e4c47ef746d685230b0c487dc9e4/FLAG9ec2857bf [2024-10-31 22:00:39,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/data/85c00c370/f6e1e4c47ef746d685230b0c487dc9e4 [2024-10-31 22:00:39,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:39,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:39,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:39,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:39,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:39,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb373b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39, skipping insertion in model container [2024-10-31 22:00:39,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:40,717 WARN L251 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_0704768d-0a9b-44f9-81a0-533742f19741/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2024-10-31 22:00:40,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:40,856 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:40,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2808] [2024-10-31 22:00:40,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2815-2816] [2024-10-31 22:00:41,039 WARN L251 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_0704768d-0a9b-44f9-81a0-533742f19741/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2024-10-31 22:00:41,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:41,144 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:41,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41 WrapperNode [2024-10-31 22:00:41,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:41,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:41,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:41,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:41,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,425 INFO L138 Inliner]: procedures = 133, calls = 1232, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1968 [2024-10-31 22:00:41,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:41,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:00:41,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:00:41,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:00:41,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,605 INFO L175 MemorySlicer]: Split 952 memory accesses to 22 slices as follows [2, 3, 3, 5, 32, 1, 1, 6, 5, 28, 24, 11, 273, 14, 13, 3, 2, 5, 512, 2, 6, 1]. 54 percent of accesses are in the largest equivalence class. The 780 initializations are split as follows [2, 0, 3, 5, 24, 0, 1, 4, 0, 0, 0, 11, 180, 14, 13, 0, 0, 5, 512, 0, 6, 0]. The 103 writes are split as follows [0, 1, 0, 0, 0, 0, 0, 0, 5, 28, 24, 0, 40, 0, 0, 2, 1, 0, 0, 2, 0, 0]. [2024-10-31 22:00:41,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:00:41,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:00:41,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:00:41,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:00:41,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (1/1) ... [2024-10-31 22:00:41,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:41,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:41,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:41,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:00:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-10-31 22:00:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-10-31 22:00:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-10-31 22:00:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-10-31 22:00:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-10-31 22:00:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-10-31 22:00:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-10-31 22:00:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-10-31 22:00:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:00:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:00:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:00:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:00:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:00:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:00:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:00:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:00:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:00:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:00:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:00:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:00:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:00:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 22:00:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 22:00:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-31 22:00:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-31 22:00:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-31 22:00:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-31 22:00:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-31 22:00:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-10-31 22:00:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-10-31 22:00:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:00:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:00:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:00:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:00:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:00:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:00:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:00:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:00:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:00:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:00:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:00:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:00:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:00:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 22:00:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 22:00:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-31 22:00:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-31 22:00:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-31 22:00:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-31 22:00:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-31 22:00:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-10-31 22:00:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-10-31 22:00:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:00:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:00:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:00:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:00:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:00:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:00:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:00:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:00:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:00:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 22:00:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 22:00:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 22:00:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 22:00:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-31 22:00:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-31 22:00:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-31 22:00:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-10-31 22:00:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-10-31 22:00:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:00:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:00:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2024-10-31 22:00:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2024-10-31 22:00:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2024-10-31 22:00:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2024-10-31 22:00:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:00:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:00:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:00:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:00:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:00:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:00:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:00:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:00:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:00:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:00:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:00:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:00:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:00:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:00:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:00:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 22:00:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 22:00:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 22:00:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 22:00:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-31 22:00:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-31 22:00:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-31 22:00:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-31 22:00:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-31 22:00:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-10-31 22:00:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-10-31 22:00:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2024-10-31 22:00:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2024-10-31 22:00:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:00:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:00:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-31 22:00:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-31 22:00:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-10-31 22:00:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-10-31 22:00:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:00:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-31 22:00:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-31 22:00:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-10-31 22:00:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-10-31 22:00:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:00:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2024-10-31 22:00:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2024-10-31 22:00:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:00:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:00:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:00:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:00:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:00:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:00:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:00:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:00:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:00:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:00:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:00:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:00:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:00:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:00:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:00:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:00:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 22:00:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 22:00:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 22:00:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 22:00:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-31 22:00:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-31 22:00:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-31 22:00:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-10-31 22:00:41,921 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-10-31 22:00:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2024-10-31 22:00:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2024-10-31 22:00:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:00:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:00:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:00:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:00:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:00:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:00:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:00:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:00:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:00:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:00:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:00:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:00:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-31 22:00:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-31 22:00:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2024-10-31 22:00:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2024-10-31 22:00:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2024-10-31 22:00:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2024-10-31 22:00:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-10-31 22:00:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-10-31 22:00:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:00:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:00:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:00:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:00:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:00:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:00:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:00:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:00:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:00:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:00:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:00:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:00:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:00:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:00:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 22:00:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 22:00:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 22:00:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 22:00:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 22:00:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-31 22:00:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-31 22:00:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-31 22:00:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-31 22:00:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-10-31 22:00:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-10-31 22:00:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-10-31 22:00:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-10-31 22:00:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-10-31 22:00:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-10-31 22:00:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:00:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:00:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2024-10-31 22:00:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2024-10-31 22:00:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-10-31 22:00:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-10-31 22:00:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2024-10-31 22:00:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2024-10-31 22:00:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:00:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:00:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:00:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:00:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:00:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:00:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:00:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:00:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:00:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:00:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:00:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:00:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:00:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:00:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:00:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:00:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:00:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:00:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 22:00:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 22:00:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-31 22:00:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-31 22:00:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-10-31 22:00:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-10-31 22:00:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:00:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:00:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-10-31 22:00:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-10-31 22:00:42,468 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:00:42,470 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:00:49,581 INFO L? ?]: Removed 575 outVars from TransFormulas that were not future-live. [2024-10-31 22:00:49,581 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:00:49,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:00:49,617 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:00:49,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:49 BoogieIcfgContainer [2024-10-31 22:00:49,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:00:49,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:00:49,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:00:49,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:00:49,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:00:39" (1/3) ... [2024-10-31 22:00:49,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f699e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:49, skipping insertion in model container [2024-10-31 22:00:49,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:41" (2/3) ... [2024-10-31 22:00:49,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f699e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:49, skipping insertion in model container [2024-10-31 22:00:49,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:49" (3/3) ... [2024-10-31 22:00:49,635 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2024-10-31 22:00:49,654 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:00:49,655 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:00:49,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:00:49,764 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;@ce72993, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:00:49,764 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:00:49,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 534 states, 399 states have (on average 1.363408521303258) internal successors, (544), 409 states have internal predecessors, (544), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-31 22:00:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-31 22:00:49,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:49,784 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:49,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:00:49,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:49,792 INFO L85 PathProgramCache]: Analyzing trace with hash -665750692, now seen corresponding path program 1 times [2024-10-31 22:00:49,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:49,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721248896] [2024-10-31 22:00:49,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:49,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:51,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:51,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721248896] [2024-10-31 22:00:51,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721248896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:51,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:51,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:00:51,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468942090] [2024-10-31 22:00:51,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:51,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:51,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:51,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:51,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:51,429 INFO L87 Difference]: Start difference. First operand has 534 states, 399 states have (on average 1.363408521303258) internal successors, (544), 409 states have internal predecessors, (544), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:51,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:51,793 INFO L93 Difference]: Finished difference Result 1396 states and 1982 transitions. [2024-10-31 22:00:51,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:51,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 16 [2024-10-31 22:00:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:51,830 INFO L225 Difference]: With dead ends: 1396 [2024-10-31 22:00:51,832 INFO L226 Difference]: Without dead ends: 857 [2024-10-31 22:00:51,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:51,844 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 466 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:51,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 1611 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:00:51,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-10-31 22:00:51,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 829. [2024-10-31 22:00:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 613 states have (on average 1.3474714518760196) internal successors, (826), 623 states have internal predecessors, (826), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-31 22:00:51,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1150 transitions. [2024-10-31 22:00:51,981 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1150 transitions. Word has length 16 [2024-10-31 22:00:51,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:51,981 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1150 transitions. [2024-10-31 22:00:51,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1150 transitions. [2024-10-31 22:00:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-31 22:00:51,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:51,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:51,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:00:51,984 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:00:51,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:51,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1138463832, now seen corresponding path program 1 times [2024-10-31 22:00:51,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:51,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960052053] [2024-10-31 22:00:51,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:51,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:53,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:53,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960052053] [2024-10-31 22:00:53,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960052053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:53,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:53,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:53,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230577961] [2024-10-31 22:00:53,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:53,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:53,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:53,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:53,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:53,166 INFO L87 Difference]: Start difference. First operand 829 states and 1150 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:53,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:53,257 INFO L93 Difference]: Finished difference Result 1655 states and 2297 transitions. [2024-10-31 22:00:53,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:53,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 19 [2024-10-31 22:00:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:53,268 INFO L225 Difference]: With dead ends: 1655 [2024-10-31 22:00:53,268 INFO L226 Difference]: Without dead ends: 829 [2024-10-31 22:00:53,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:53,273 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 723 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 732 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 [2024-10-31 22:00:53,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 732 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:00:53,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-10-31 22:00:53,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 829. [2024-10-31 22:00:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 613 states have (on average 1.3442088091353996) internal successors, (824), 623 states have internal predecessors, (824), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-31 22:00:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1148 transitions. [2024-10-31 22:00:53,344 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1148 transitions. Word has length 19 [2024-10-31 22:00:53,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:53,345 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1148 transitions. [2024-10-31 22:00:53,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1148 transitions. [2024-10-31 22:00:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-31 22:00:53,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:53,347 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:53,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:00:53,348 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:00:53,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:53,348 INFO L85 PathProgramCache]: Analyzing trace with hash 16268086, now seen corresponding path program 1 times [2024-10-31 22:00:53,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:53,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526141202] [2024-10-31 22:00:53,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:53,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:54,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:00:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:54,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:54,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526141202] [2024-10-31 22:00:54,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526141202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:54,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:54,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:00:54,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547010055] [2024-10-31 22:00:54,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:54,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:00:54,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:54,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:00:54,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:00:54,475 INFO L87 Difference]: Start difference. First operand 829 states and 1148 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:00:58,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:01:02,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:01:06,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:06,961 INFO L93 Difference]: Finished difference Result 2072 states and 2872 transitions. [2024-10-31 22:01:06,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:01:06,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-10-31 22:01:06,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:06,972 INFO L225 Difference]: With dead ends: 2072 [2024-10-31 22:01:06,973 INFO L226 Difference]: Without dead ends: 1246 [2024-10-31 22:01:06,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:06,980 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 966 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 230 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:06,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 903 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1205 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2024-10-31 22:01:06,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2024-10-31 22:01:07,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 1242. [2024-10-31 22:01:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 923 states have (on average 1.3477789815817984) internal successors, (1244), 935 states have internal predecessors, (1244), 240 states have call successors, (240), 79 states have call predecessors, (240), 78 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2024-10-31 22:01:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 1718 transitions. [2024-10-31 22:01:07,088 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 1718 transitions. Word has length 25 [2024-10-31 22:01:07,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:07,089 INFO L471 AbstractCegarLoop]: Abstraction has 1242 states and 1718 transitions. [2024-10-31 22:01:07,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:01:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1718 transitions. [2024-10-31 22:01:07,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 22:01:07,093 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:07,094 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:07,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:01:07,095 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:07,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:07,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1448268660, now seen corresponding path program 1 times [2024-10-31 22:01:07,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:07,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385851107] [2024-10-31 22:01:07,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:07,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:08,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:01:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:08,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:08,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385851107] [2024-10-31 22:01:08,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385851107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:08,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:08,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:08,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191614081] [2024-10-31 22:01:08,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:08,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:08,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:08,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:08,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:08,099 INFO L87 Difference]: Start difference. First operand 1242 states and 1718 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:01:08,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:08,218 INFO L93 Difference]: Finished difference Result 2495 states and 3455 transitions. [2024-10-31 22:01:08,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:08,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-10-31 22:01:08,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:08,227 INFO L225 Difference]: With dead ends: 2495 [2024-10-31 22:01:08,228 INFO L226 Difference]: Without dead ends: 1256 [2024-10-31 22:01:08,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:08,236 INFO L432 NwaCegarLoop]: 730 mSDtfsCounter, 7 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:08,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1457 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:08,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2024-10-31 22:01:08,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1244. [2024-10-31 22:01:08,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 925 states have (on average 1.347027027027027) internal successors, (1246), 937 states have internal predecessors, (1246), 240 states have call successors, (240), 79 states have call predecessors, (240), 78 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2024-10-31 22:01:08,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1720 transitions. [2024-10-31 22:01:08,327 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1720 transitions. Word has length 30 [2024-10-31 22:01:08,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:08,328 INFO L471 AbstractCegarLoop]: Abstraction has 1244 states and 1720 transitions. [2024-10-31 22:01:08,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:01:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1720 transitions. [2024-10-31 22:01:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-31 22:01:08,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:08,331 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:08,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:01:08,331 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:08,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:08,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1638917859, now seen corresponding path program 1 times [2024-10-31 22:01:08,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:08,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315810031] [2024-10-31 22:01:08,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:08,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:01:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:09,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 22:01:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:09,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:09,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315810031] [2024-10-31 22:01:09,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315810031] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:09,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695002772] [2024-10-31 22:01:09,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:09,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:09,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:09,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:09,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0704768d-0a9b-44f9-81a0-533742f19741/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process