./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/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_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/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_f5068520-3b8f-444c-907d-012199dce0ec/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 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:18,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:18,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:17:18,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:18,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:18,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:18,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:18,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:18,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:18,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:18,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:18,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:18,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:18,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:18,181 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:18,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:18,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:18,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:18,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:18,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:18,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:18,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:18,189 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:18,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:18,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:18,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:18,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:18,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:18,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:18,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:18,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:18,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:18,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:18,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:18,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:18,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:18,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:18,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:18,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:18,203 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_f5068520-3b8f-444c-907d-012199dce0ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 [2024-10-31 22:17:18,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:18,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:18,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:18,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:18,640 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:18,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i Unable to find full path for "g++" [2024-10-31 22:17:20,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:21,527 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:21,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-10-31 22:17:21,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/data/273f47d55/d0c4708b7e1f43e5996398a8737f9e6b/FLAGba5be4d2b [2024-10-31 22:17:21,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/data/273f47d55/d0c4708b7e1f43e5996398a8737f9e6b [2024-10-31 22:17:21,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:21,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:21,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:21,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:21,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:21,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:21" (1/1) ... [2024-10-31 22:17:21,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6473b328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:21, skipping insertion in model container [2024-10-31 22:17:21,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:21" (1/1) ... [2024-10-31 22:17:21,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:23,324 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_f5068520-3b8f-444c-907d-012199dce0ec/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-10-31 22:17:23,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:23,466 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:23,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] [2024-10-31 22:17:23,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] [2024-10-31 22:17:23,675 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] [2024-10-31 22:17:23,738 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] [2024-10-31 22:17:23,792 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] [2024-10-31 22:17:23,846 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] [2024-10-31 22:17:23,930 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_f5068520-3b8f-444c-907d-012199dce0ec/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-10-31 22:17:23,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:24,038 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:24,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24 WrapperNode [2024-10-31 22:17:24,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:24,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:24,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:24,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:24,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,280 INFO L138 Inliner]: procedures = 183, calls = 969, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1845 [2024-10-31 22:17:24,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:24,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:24,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:24,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:24,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,718 INFO L175 MemorySlicer]: Split 388 memory accesses to 13 slices as follows [2, 8, 239, 4, 7, 40, 4, 7, 2, 7, 22, 7, 39]. 62 percent of accesses are in the largest equivalence class. The 102 initializations are split as follows [2, 8, 16, 4, 7, 40, 4, 7, 0, 7, 0, 7, 0]. The 93 writes are split as follows [0, 0, 31, 0, 0, 0, 0, 0, 1, 0, 22, 0, 39]. [2024-10-31 22:17:24,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:24,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:24,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:24,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:24,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:24,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:24,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:24,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5068520-3b8f-444c-907d-012199dce0ec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-10-31 22:17:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-10-31 22:17:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:17:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:17:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:17:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:17:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:17:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:17:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:17:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:17:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:17:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:17:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:17:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:17:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:17:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2024-10-31 22:17:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2024-10-31 22:17:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:17:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:17:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:17:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:17:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:17:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:17:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:17:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:17:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:17:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:17:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:17:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:17:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:17:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:17:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:17:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:17:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2024-10-31 22:17:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2024-10-31 22:17:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-10-31 22:17:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-10-31 22:17:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:17:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:17:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-10-31 22:17:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-10-31 22:17:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 22:17:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 22:17:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-10-31 22:17:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-10-31 22:17:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:17:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:17:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:17:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:17:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-31 22:17:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-31 22:17:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-31 22:17:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-31 22:17:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:17:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:17:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-10-31 22:17:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-10-31 22:17:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:17:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-31 22:17:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-31 22:17:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-31 22:17:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-31 22:17:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-10-31 22:17:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-10-31 22:17:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-31 22:17:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-31 22:17:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:17:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:17:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:17:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:17:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:17:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:17:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:17:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:17:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:17:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:17:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:17:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:17:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:17:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:17:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-10-31 22:17:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-10-31 22:17:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2024-10-31 22:17:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2024-10-31 22:17:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2024-10-31 22:17:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2024-10-31 22:17:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-31 22:17:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-31 22:17:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:17:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:17:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:17:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:17:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:17:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:17:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:17:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:17:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:17:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:17:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:17:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:17:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:17:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-10-31 22:17:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-10-31 22:17:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2024-10-31 22:17:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2024-10-31 22:17:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2024-10-31 22:17:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2024-10-31 22:17:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-31 22:17:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-31 22:17:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:17:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2024-10-31 22:17:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:17:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:17:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:17:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:17:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:17:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:17:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-10-31 22:17:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-10-31 22:17:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:17:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:17:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2024-10-31 22:17:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2024-10-31 22:17:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2024-10-31 22:17:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2024-10-31 22:17:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-10-31 22:17:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-10-31 22:17:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-10-31 22:17:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-10-31 22:17:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-31 22:17:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-31 22:17:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-31 22:17:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-31 22:17:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-31 22:17:24,974 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-31 22:17:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-31 22:17:24,974 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-31 22:17:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-31 22:17:24,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-31 22:17:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:17:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:17:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:17:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:17:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:17:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-10-31 22:17:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-10-31 22:17:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:25,666 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:25,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:32,078 INFO L? ?]: Removed 851 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:32,078 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:32,126 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:32,126 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:17:32,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:32 BoogieIcfgContainer [2024-10-31 22:17:32,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:32,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:32,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:32,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:32,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:17:21" (1/3) ... [2024-10-31 22:17:32,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b100a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:32, skipping insertion in model container [2024-10-31 22:17:32,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (2/3) ... [2024-10-31 22:17:32,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b100a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:32, skipping insertion in model container [2024-10-31 22:17:32,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:32" (3/3) ... [2024-10-31 22:17:32,142 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-10-31 22:17:32,162 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:32,162 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:17:32,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:32,294 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;@4b610ec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:32,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:17:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 724 states, 509 states have (on average 1.3045186640471513) internal successors, (664), 528 states have internal predecessors, (664), 176 states have call successors, (176), 37 states have call predecessors, (176), 37 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) [2024-10-31 22:17:32,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-31 22:17:32,314 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:32,315 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 22:17:32,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:32,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:32,323 INFO L85 PathProgramCache]: Analyzing trace with hash 645026174, now seen corresponding path program 1 times [2024-10-31 22:17:32,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:32,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950802791] [2024-10-31 22:17:32,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:32,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:33,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:17:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:33,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:17:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:33,835 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 22:17:33,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:33,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950802791] [2024-10-31 22:17:33,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950802791] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:33,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:33,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:33,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067041135] [2024-10-31 22:17:33,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:33,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:33,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:33,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:33,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:33,881 INFO L87 Difference]: Start difference. First operand has 724 states, 509 states have (on average 1.3045186640471513) internal successors, (664), 528 states have internal predecessors, (664), 176 states have call successors, (176), 37 states have call predecessors, (176), 37 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:17:37,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:38,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:38,179 INFO L93 Difference]: Finished difference Result 1685 states and 2381 transitions. [2024-10-31 22:17:38,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:38,184 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), 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 19 [2024-10-31 22:17:38,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:38,206 INFO L225 Difference]: With dead ends: 1685 [2024-10-31 22:17:38,206 INFO L226 Difference]: Without dead ends: 967 [2024-10-31 22:17:38,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:38,218 INFO L432 NwaCegarLoop]: 1261 mSDtfsCounter, 841 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:38,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 1736 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-10-31 22:17:38,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-10-31 22:17:38,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2024-10-31 22:17:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 676 states have (on average 1.2751479289940828) internal successors, (862), 698 states have internal predecessors, (862), 234 states have call successors, (234), 55 states have call predecessors, (234), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-10-31 22:17:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1326 transitions. [2024-10-31 22:17:38,403 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1326 transitions. Word has length 19 [2024-10-31 22:17:38,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:38,404 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1326 transitions. [2024-10-31 22:17:38,405 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:17:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1326 transitions. [2024-10-31 22:17:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-31 22:17:38,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:38,407 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] [2024-10-31 22:17:38,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:17:38,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:38,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1479384934, now seen corresponding path program 1 times [2024-10-31 22:17:38,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:38,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668129474] [2024-10-31 22:17:38,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:38,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:39,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:17:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:17:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:39,255 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 22:17:39,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:39,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668129474] [2024-10-31 22:17:39,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668129474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:39,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:39,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:39,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099442498] [2024-10-31 22:17:39,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:39,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:39,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:39,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:39,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:39,263 INFO L87 Difference]: Start difference. First operand 965 states and 1326 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:17:43,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:43,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:43,364 INFO L93 Difference]: Finished difference Result 967 states and 1327 transitions. [2024-10-31 22:17:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:43,364 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), 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 20 [2024-10-31 22:17:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:43,372 INFO L225 Difference]: With dead ends: 967 [2024-10-31 22:17:43,372 INFO L226 Difference]: Without dead ends: 964 [2024-10-31 22:17:43,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:43,375 INFO L432 NwaCegarLoop]: 988 mSDtfsCounter, 977 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:43,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 988 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-10-31 22:17:43,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-10-31 22:17:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2024-10-31 22:17:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 676 states have (on average 1.2736686390532543) internal successors, (861), 697 states have internal predecessors, (861), 233 states have call successors, (233), 55 states have call predecessors, (233), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-10-31 22:17:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1324 transitions. [2024-10-31 22:17:43,468 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1324 transitions. Word has length 20 [2024-10-31 22:17:43,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:43,470 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1324 transitions. [2024-10-31 22:17:43,470 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:17:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1324 transitions. [2024-10-31 22:17:43,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-31 22:17:43,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:43,471 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] [2024-10-31 22:17:43,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:17:43,472 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:43,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:43,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1383352321, now seen corresponding path program 1 times [2024-10-31 22:17:43,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:43,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789766020] [2024-10-31 22:17:43,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:43,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:44,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:17:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:44,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:17:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:44,159 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 22:17:44,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:44,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789766020] [2024-10-31 22:17:44,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789766020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:44,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:44,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:44,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949816702] [2024-10-31 22:17:44,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:44,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:44,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:44,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:44,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:44,163 INFO L87 Difference]: Start difference. First operand 964 states and 1324 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:17:48,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:48,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:48,273 INFO L93 Difference]: Finished difference Result 966 states and 1325 transitions. [2024-10-31 22:17:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:48,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 21 [2024-10-31 22:17:48,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:48,281 INFO L225 Difference]: With dead ends: 966 [2024-10-31 22:17:48,281 INFO L226 Difference]: Without dead ends: 963 [2024-10-31 22:17:48,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:48,283 INFO L432 NwaCegarLoop]: 986 mSDtfsCounter, 974 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:48,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 986 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-10-31 22:17:48,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-10-31 22:17:48,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-10-31 22:17:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 676 states have (on average 1.272189349112426) internal successors, (860), 696 states have internal predecessors, (860), 232 states have call successors, (232), 55 states have call predecessors, (232), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-10-31 22:17:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1322 transitions. [2024-10-31 22:17:48,371 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1322 transitions. Word has length 21 [2024-10-31 22:17:48,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:48,373 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1322 transitions. [2024-10-31 22:17:48,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:17:48,374 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1322 transitions. [2024-10-31 22:17:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-31 22:17:48,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:48,375 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] [2024-10-31 22:17:48,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:17:48,376 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:48,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:48,376 INFO L85 PathProgramCache]: Analyzing trace with hash -66101123, now seen corresponding path program 1 times [2024-10-31 22:17:48,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:48,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332018474] [2024-10-31 22:17:48,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:48,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:49,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:17:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:17:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:49,140 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 22:17:49,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:49,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332018474] [2024-10-31 22:17:49,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332018474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:49,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:49,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:49,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297705741] [2024-10-31 22:17:49,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:49,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:49,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:49,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:49,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:49,146 INFO L87 Difference]: Start difference. First operand 963 states and 1322 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:17:53,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:53,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:53,238 INFO L93 Difference]: Finished difference Result 965 states and 1323 transitions. [2024-10-31 22:17:53,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:53,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22 [2024-10-31 22:17:53,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:53,250 INFO L225 Difference]: With dead ends: 965 [2024-10-31 22:17:53,250 INFO L226 Difference]: Without dead ends: 953 [2024-10-31 22:17:53,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:53,252 INFO L432 NwaCegarLoop]: 985 mSDtfsCounter, 971 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:53,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 985 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-10-31 22:17:53,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-10-31 22:17:53,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2024-10-31 22:17:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 668 states have (on average 1.2709580838323353) internal successors, (849), 687 states have internal predecessors, (849), 230 states have call successors, (230), 55 states have call predecessors, (230), 54 states have return successors, (229), 217 states have call predecessors, (229), 229 states have call successors, (229) [2024-10-31 22:17:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1308 transitions. [2024-10-31 22:17:53,331 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1308 transitions. Word has length 22 [2024-10-31 22:17:53,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:53,332 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1308 transitions. [2024-10-31 22:17:53,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:17:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1308 transitions. [2024-10-31 22:17:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 22:17:53,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:53,335 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:53,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:17:53,336 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:53,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:53,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1144729545, now seen corresponding path program 1 times [2024-10-31 22:17:53,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:53,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3702949] [2024-10-31 22:17:53,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:53,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:17:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:17:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:17:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:17:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:17:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-31 22:17:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:17:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-31 22:17:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:17:54,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:54,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3702949] [2024-10-31 22:17:54,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3702949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:54,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:54,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:17:54,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022197736] [2024-10-31 22:17:54,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:54,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:17:54,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:54,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:17:54,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:17:54,331 INFO L87 Difference]: Start difference. First operand 953 states and 1308 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)