./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:41:51,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:41:51,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 22:41:51,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:41:51,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:41:51,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:41:51,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:41:51,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:41:51,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:41:51,154 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:41:51,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:41:51,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:41:51,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:41:51,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:41:51,155 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:41:51,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:41:51,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:41:51,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:41:51,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:41:51,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:41:51,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:41:51,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:41:51,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:41:51,156 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:41:51,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:41:51,156 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:41:51,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:41:51,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:41:51,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:41:51,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:41:51,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:41:51,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:41:51,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:41:51,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:41:51,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:41:51,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:41:51,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:41:51,158 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:41:51,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:41:51,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:41:51,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:41:51,159 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:41:51,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:41:51,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:41:51,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:41:51,159 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 [2024-11-23 22:41:51,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:41:51,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:41:51,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:41:51,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:41:51,417 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:41:51,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2024-11-23 22:41:54,476 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/data/476fcf4f2/c5a290b5775f4cc59bc448c05d1f8456/FLAG3383ab7f9 [2024-11-23 22:41:55,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:41:55,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2024-11-23 22:41:55,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/data/476fcf4f2/c5a290b5775f4cc59bc448c05d1f8456/FLAG3383ab7f9 [2024-11-23 22:41:55,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/data/476fcf4f2/c5a290b5775f4cc59bc448c05d1f8456 [2024-11-23 22:41:55,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:41:55,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:41:55,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:41:55,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:41:55,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:41:55,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:55" (1/1) ... [2024-11-23 22:41:55,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae5c496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:55, skipping insertion in model container [2024-11-23 22:41:55,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:55" (1/1) ... [2024-11-23 22:41:55,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:41:57,330 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2024-11-23 22:41:57,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:41:57,424 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:41:57,598 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5565] [2024-11-23 22:41:57,600 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)); [5572] [2024-11-23 22:41:57,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5744] [2024-11-23 22:41:57,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5752] [2024-11-23 22:41:57,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5954-5955] [2024-11-23 22:41:57,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5983-5984] [2024-11-23 22:41:57,929 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2024-11-23 22:41:57,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:41:58,156 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:41:58,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58 WrapperNode [2024-11-23 22:41:58,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:41:58,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:41:58,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:41:58,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:41:58,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:58,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:58,482 INFO L138 Inliner]: procedures = 276, calls = 1627, calls flagged for inlining = 149, calls inlined = 146, statements flattened = 5185 [2024-11-23 22:41:58,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:41:58,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:41:58,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:41:58,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:41:58,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:58,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:58,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,301 INFO L175 MemorySlicer]: Split 874 memory accesses to 20 slices as follows [2, 1, 6, 43, 9, 8, 7, 5, 5, 7, 7, 2, 2, 7, 7, 647, 7, 34, 3, 65]. 74 percent of accesses are in the largest equivalence class. The 57 initializations are split as follows [2, 0, 0, 0, 0, 8, 7, 5, 5, 0, 7, 0, 0, 0, 7, 14, 0, 0, 2, 0]. The 426 writes are split as follows [0, 0, 4, 43, 2, 0, 0, 0, 0, 5, 0, 0, 0, 3, 0, 273, 4, 34, 0, 58]. [2024-11-23 22:41:59,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:41:59,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:41:59,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:41:59,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:41:59,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (1/1) ... [2024-11-23 22:41:59,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:41:59,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:41:59,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:41:59,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:41:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2024-11-23 22:41:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2024-11-23 22:41:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-23 22:41:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-23 22:41:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2024-11-23 22:41:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2024-11-23 22:41:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 22:41:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 22:41:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 22:41:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 22:41:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 22:41:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 22:41:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 22:41:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 22:41:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 22:41:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 22:41:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 22:41:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 22:41:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-23 22:41:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-23 22:41:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 22:41:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 22:41:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-23 22:41:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-23 22:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-23 22:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-23 22:41:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2024-11-23 22:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2024-11-23 22:41:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-23 22:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-23 22:41:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-23 22:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-23 22:41:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-23 22:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-23 22:41:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:41:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-23 22:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-23 22:41:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-23 22:41:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-23 22:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 22:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 22:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 22:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-23 22:41:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-23 22:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-23 22:41:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2024-11-23 22:41:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2024-11-23 22:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-23 22:41:59,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 22:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 22:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 22:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 22:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 22:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 22:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 22:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 22:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 22:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 22:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 22:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-23 22:41:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-11-23 22:41:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 22:41:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2024-11-23 22:41:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2024-11-23 22:41:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 22:41:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 22:41:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 22:41:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 22:41:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 22:41:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 22:41:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 22:41:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2024-11-23 22:41:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2024-11-23 22:41:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-23 22:41:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-23 22:41:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-23 22:41:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-23 22:41:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-23 22:41:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-23 22:41:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-11-23 22:41:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-11-23 22:41:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-23 22:41:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-23 22:41:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-23 22:41:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-23 22:41:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 22:41:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 22:41:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2024-11-23 22:41:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2024-11-23 22:41:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-23 22:41:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-23 22:41:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 22:41:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2024-11-23 22:41:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-23 22:41:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-23 22:41:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2024-11-23 22:41:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2024-11-23 22:41:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 22:41:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 22:41:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2024-11-23 22:41:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2024-11-23 22:41:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-23 22:41:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-23 22:41:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_config [2024-11-23 22:41:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_config [2024-11-23 22:41:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:41:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2024-11-23 22:41:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2024-11-23 22:41:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-23 22:41:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-23 22:41:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2024-11-23 22:41:59,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2024-11-23 22:41:59,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 22:41:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-23 22:41:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:41:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-23 22:41:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-23 22:41:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:41:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:42:00,877 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:42:00,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:42:01,127 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 22:42:16,750 INFO L? ?]: Removed 2275 outVars from TransFormulas that were not future-live. [2024-11-23 22:42:16,751 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:42:16,828 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:42:16,828 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:42:16,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:16 BoogieIcfgContainer [2024-11-23 22:42:16,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:42:16,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:42:16,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:42:16,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:42:16,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:41:55" (1/3) ... [2024-11-23 22:42:16,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b4e350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:16, skipping insertion in model container [2024-11-23 22:42:16,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58" (2/3) ... [2024-11-23 22:42:16,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b4e350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:16, skipping insertion in model container [2024-11-23 22:42:16,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:16" (3/3) ... [2024-11-23 22:42:16,839 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2024-11-23 22:42:16,860 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:42:16,863 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i that has 85 procedures, 2222 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-23 22:42:17,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:42:17,029 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;@43d66ae6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:42:17,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:42:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 2221 states, 1657 states have (on average 1.391671695835848) internal successors, (2306), 1685 states have internal predecessors, (2306), 479 states have call successors, (479), 84 states have call predecessors, (479), 83 states have return successors, (472), 466 states have call predecessors, (472), 472 states have call successors, (472) [2024-11-23 22:42:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-23 22:42:17,078 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:17,079 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:17,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:42:17,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1434483824, now seen corresponding path program 1 times [2024-11-23 22:42:17,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:17,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436915620] [2024-11-23 22:42:17,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:17,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-23 22:42:25,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:25,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436915620] [2024-11-23 22:42:25,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436915620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:42:25,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456066317] [2024-11-23 22:42:25,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:25,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:42:25,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:42:25,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:42:25,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:42:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:33,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 3891 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:42:33,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:42:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-23 22:42:33,260 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:42:33,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456066317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:33,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:42:33,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:42:33,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336588619] [2024-11-23 22:42:33,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:33,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:42:33,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:33,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:42:33,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:42:33,308 INFO L87 Difference]: Start difference. First operand has 2221 states, 1657 states have (on average 1.391671695835848) internal successors, (2306), 1685 states have internal predecessors, (2306), 479 states have call successors, (479), 84 states have call predecessors, (479), 83 states have return successors, (472), 466 states have call predecessors, (472), 472 states have call successors, (472) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 22:42:33,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:42:33,583 INFO L93 Difference]: Finished difference Result 4437 states and 6628 transitions. [2024-11-23 22:42:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:42:33,585 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 182 [2024-11-23 22:42:33,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:42:33,628 INFO L225 Difference]: With dead ends: 4437 [2024-11-23 22:42:33,629 INFO L226 Difference]: Without dead ends: 2201 [2024-11-23 22:42:33,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:42:33,657 INFO L435 NwaCegarLoop]: 3211 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3211 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:42:33,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3211 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:42:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2024-11-23 22:42:33,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 2201. [2024-11-23 22:42:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2201 states, 1646 states have (on average 1.3608748481166464) internal successors, (2240), 1665 states have internal predecessors, (2240), 472 states have call successors, (472), 83 states have call predecessors, (472), 82 states have return successors, (471), 465 states have call predecessors, (471), 471 states have call successors, (471) [2024-11-23 22:42:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 3183 transitions. [2024-11-23 22:42:33,927 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 3183 transitions. Word has length 182 [2024-11-23 22:42:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:42:33,927 INFO L471 AbstractCegarLoop]: Abstraction has 2201 states and 3183 transitions. [2024-11-23 22:42:33,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 22:42:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 3183 transitions. [2024-11-23 22:42:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-23 22:42:33,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:33,949 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:33,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:42:34,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 22:42:34,150 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:42:34,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:34,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1026093212, now seen corresponding path program 1 times [2024-11-23 22:42:34,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:34,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541273229] [2024-11-23 22:42:34,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:34,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:42:41,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:41,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541273229] [2024-11-23 22:42:41,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541273229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:41,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:41,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:42:41,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339664944] [2024-11-23 22:42:41,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:41,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:42:41,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:41,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:42:41,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:42:41,819 INFO L87 Difference]: Start difference. First operand 2201 states and 3183 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-23 22:42:42,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:42:42,716 INFO L93 Difference]: Finished difference Result 6550 states and 9474 transitions. [2024-11-23 22:42:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:42:42,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 182 [2024-11-23 22:42:42,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:42:42,754 INFO L225 Difference]: With dead ends: 6550 [2024-11-23 22:42:42,754 INFO L226 Difference]: Without dead ends: 4377 [2024-11-23 22:42:42,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:42:42,770 INFO L435 NwaCegarLoop]: 3195 mSDtfsCounter, 3150 mSDsluCounter, 9517 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 12712 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:42:42,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 12712 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:42:42,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4377 states. [2024-11-23 22:42:43,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4377 to 4368. [2024-11-23 22:42:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4368 states, 3270 states have (on average 1.3614678899082568) internal successors, (4452), 3312 states have internal predecessors, (4452), 933 states have call successors, (933), 165 states have call predecessors, (933), 164 states have return successors, (932), 916 states have call predecessors, (932), 932 states have call successors, (932) [2024-11-23 22:42:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 4368 states and 6317 transitions. [2024-11-23 22:42:43,067 INFO L78 Accepts]: Start accepts. Automaton has 4368 states and 6317 transitions. Word has length 182 [2024-11-23 22:42:43,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:42:43,068 INFO L471 AbstractCegarLoop]: Abstraction has 4368 states and 6317 transitions. [2024-11-23 22:42:43,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-23 22:42:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4368 states and 6317 transitions. [2024-11-23 22:42:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-23 22:42:43,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:43,087 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:43,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:42:43,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:42:43,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:43,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1676108964, now seen corresponding path program 1 times [2024-11-23 22:42:43,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:43,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564592786] [2024-11-23 22:42:43,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:43,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:42:50,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:50,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564592786] [2024-11-23 22:42:50,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564592786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:50,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:50,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:42:50,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556833444] [2024-11-23 22:42:50,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:50,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:42:50,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:50,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:42:50,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:42:50,496 INFO L87 Difference]: Start difference. First operand 4368 states and 6317 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-23 22:42:51,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:42:51,405 INFO L93 Difference]: Finished difference Result 13060 states and 18887 transitions. [2024-11-23 22:42:51,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:42:51,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 183 [2024-11-23 22:42:51,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:42:51,484 INFO L225 Difference]: With dead ends: 13060 [2024-11-23 22:42:51,485 INFO L226 Difference]: Without dead ends: 8720 [2024-11-23 22:42:51,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:42:51,514 INFO L435 NwaCegarLoop]: 3217 mSDtfsCounter, 3151 mSDsluCounter, 9560 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 12777 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:42:51,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 12777 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:42:51,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8720 states. [2024-11-23 22:42:51,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8720 to 8707. [2024-11-23 22:42:51,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8707 states, 6524 states have (on average 1.3614347026364193) internal successors, (8882), 6607 states have internal predecessors, (8882), 1854 states have call successors, (1854), 329 states have call predecessors, (1854), 328 states have return successors, (1853), 1822 states have call predecessors, (1853), 1853 states have call successors, (1853) [2024-11-23 22:42:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8707 states to 8707 states and 12589 transitions. [2024-11-23 22:42:52,027 INFO L78 Accepts]: Start accepts. Automaton has 8707 states and 12589 transitions. Word has length 183 [2024-11-23 22:42:52,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:42:52,028 INFO L471 AbstractCegarLoop]: Abstraction has 8707 states and 12589 transitions. [2024-11-23 22:42:52,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-23 22:42:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 8707 states and 12589 transitions. [2024-11-23 22:42:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-23 22:42:52,039 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:52,039 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:52,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:42:52,039 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:42:52,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:52,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1241666207, now seen corresponding path program 1 times [2024-11-23 22:42:52,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:52,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26759516] [2024-11-23 22:42:52,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:52,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:42:59,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:59,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26759516] [2024-11-23 22:42:59,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26759516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:59,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:59,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:42:59,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008646891] [2024-11-23 22:42:59,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:59,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:42:59,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:59,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:42:59,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:42:59,720 INFO L87 Difference]: Start difference. First operand 8707 states and 12589 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-23 22:43:00,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:43:00,887 INFO L93 Difference]: Finished difference Result 26092 states and 37721 transitions. [2024-11-23 22:43:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:43:00,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 184 [2024-11-23 22:43:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:43:01,050 INFO L225 Difference]: With dead ends: 26092 [2024-11-23 22:43:01,050 INFO L226 Difference]: Without dead ends: 17413 [2024-11-23 22:43:01,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:43:01,105 INFO L435 NwaCegarLoop]: 3180 mSDtfsCounter, 3152 mSDsluCounter, 9486 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 12666 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:43:01,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3153 Valid, 12666 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:43:01,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17413 states. [2024-11-23 22:43:02,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17413 to 17390. [2024-11-23 22:43:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17390 states, 13037 states have (on average 1.3612027306895758) internal successors, (17746), 13201 states have internal predecessors, (17746), 3695 states have call successors, (3695), 658 states have call predecessors, (3695), 657 states have return successors, (3694), 3634 states have call predecessors, (3694), 3694 states have call successors, (3694) [2024-11-23 22:43:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17390 states to 17390 states and 25135 transitions. [2024-11-23 22:43:02,601 INFO L78 Accepts]: Start accepts. Automaton has 17390 states and 25135 transitions. Word has length 184 [2024-11-23 22:43:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:43:02,604 INFO L471 AbstractCegarLoop]: Abstraction has 17390 states and 25135 transitions. [2024-11-23 22:43:02,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-23 22:43:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 17390 states and 25135 transitions. [2024-11-23 22:43:02,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-23 22:43:02,618 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:43:02,619 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:43:02,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:43:02,619 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:43:02,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:43:02,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1639910844, now seen corresponding path program 1 times [2024-11-23 22:43:02,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:43:02,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2824687] [2024-11-23 22:43:02,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:43:02,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:43:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:43:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-23 22:43:09,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:43:09,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2824687] [2024-11-23 22:43:09,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2824687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:43:09,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:43:09,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:43:09,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954008189] [2024-11-23 22:43:09,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:43:09,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:43:09,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:43:09,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:43:09,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:43:09,455 INFO L87 Difference]: Start difference. First operand 17390 states and 25135 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:43:11,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:43:11,462 INFO L93 Difference]: Finished difference Result 48959 states and 70594 transitions. [2024-11-23 22:43:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:43:11,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 195 [2024-11-23 22:43:11,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:43:11,677 INFO L225 Difference]: With dead ends: 48959 [2024-11-23 22:43:11,677 INFO L226 Difference]: Without dead ends: 31597 [2024-11-23 22:43:11,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:43:11,756 INFO L435 NwaCegarLoop]: 3183 mSDtfsCounter, 2602 mSDsluCounter, 3024 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2602 SdHoareTripleChecker+Valid, 6207 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 22:43:11,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2602 Valid, 6207 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 22:43:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31597 states. [2024-11-23 22:43:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31597 to 31554. [2024-11-23 22:43:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31554 states, 23805 states have (on average 1.3618147448015123) internal successors, (32418), 24117 states have internal predecessors, (32418), 6515 states have call successors, (6515), 1242 states have call predecessors, (6515), 1233 states have return successors, (6514), 6378 states have call predecessors, (6514), 6514 states have call successors, (6514) [2024-11-23 22:43:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31554 states to 31554 states and 45447 transitions. [2024-11-23 22:43:13,429 INFO L78 Accepts]: Start accepts. Automaton has 31554 states and 45447 transitions. Word has length 195 [2024-11-23 22:43:13,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:43:13,430 INFO L471 AbstractCegarLoop]: Abstraction has 31554 states and 45447 transitions. [2024-11-23 22:43:13,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:43:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 31554 states and 45447 transitions. [2024-11-23 22:43:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-23 22:43:13,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:43:13,437 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:43:13,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:43:13,438 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:43:13,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:43:13,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1548748039, now seen corresponding path program 1 times [2024-11-23 22:43:13,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:43:13,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030857384] [2024-11-23 22:43:13,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:43:13,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:43:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:43:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:43:21,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:43:21,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030857384] [2024-11-23 22:43:21,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030857384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:43:21,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:43:21,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:43:21,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805449445] [2024-11-23 22:43:21,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:43:21,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:43:21,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:43:21,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:43:21,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:43:21,267 INFO L87 Difference]: Start difference. First operand 31554 states and 45447 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-23 22:43:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:43:23,576 INFO L93 Difference]: Finished difference Result 94454 states and 136000 transitions. [2024-11-23 22:43:23,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:43:23,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 185 [2024-11-23 22:43:23,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:43:23,962 INFO L225 Difference]: With dead ends: 94454 [2024-11-23 22:43:23,963 INFO L226 Difference]: Without dead ends: 62928 [2024-11-23 22:43:24,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:43:24,085 INFO L435 NwaCegarLoop]: 3180 mSDtfsCounter, 3153 mSDsluCounter, 9486 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3154 SdHoareTripleChecker+Valid, 12666 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:43:24,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3154 Valid, 12666 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:43:24,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62928 states. [2024-11-23 22:43:27,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62928 to 62847. [2024-11-23 22:43:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62847 states, 47407 states have (on average 1.361128103444639) internal successors, (64527), 48021 states have internal predecessors, (64527), 12972 states have call successors, (12972), 2484 states have call predecessors, (12972), 2467 states have return successors, (12971), 12707 states have call predecessors, (12971), 12971 states have call successors, (12971) [2024-11-23 22:43:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62847 states to 62847 states and 90470 transitions. [2024-11-23 22:43:27,981 INFO L78 Accepts]: Start accepts. Automaton has 62847 states and 90470 transitions. Word has length 185 [2024-11-23 22:43:27,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:43:27,981 INFO L471 AbstractCegarLoop]: Abstraction has 62847 states and 90470 transitions. [2024-11-23 22:43:27,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-23 22:43:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 62847 states and 90470 transitions. [2024-11-23 22:43:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-23 22:43:27,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:43:27,988 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1] [2024-11-23 22:43:27,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:43:27,989 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:43:27,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:43:27,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1943865481, now seen corresponding path program 1 times [2024-11-23 22:43:27,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:43:27,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434256456] [2024-11-23 22:43:27,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:43:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:43:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:43:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-23 22:43:35,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:43:35,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434256456] [2024-11-23 22:43:35,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434256456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:43:35,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692218435] [2024-11-23 22:43:35,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:43:35,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:43:35,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:43:35,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:43:35,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:43:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:43:44,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 3954 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:43:44,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:43:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-23 22:43:44,632 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:43:44,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692218435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:43:44,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:43:44,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-23 22:43:44,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202576153] [2024-11-23 22:43:44,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:43:44,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:43:44,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:43:44,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:43:44,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:43:44,635 INFO L87 Difference]: Start difference. First operand 62847 states and 90470 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 22:43:45,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:43:45,628 INFO L93 Difference]: Finished difference Result 62882 states and 90536 transitions. [2024-11-23 22:43:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:43:45,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 195 [2024-11-23 22:43:45,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:43:46,034 INFO L225 Difference]: With dead ends: 62882 [2024-11-23 22:43:46,034 INFO L226 Difference]: Without dead ends: 62879 [2024-11-23 22:43:46,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:43:46,089 INFO L435 NwaCegarLoop]: 3182 mSDtfsCounter, 0 mSDsluCounter, 3177 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6359 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:43:46,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6359 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:43:46,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62879 states. [2024-11-23 22:43:48,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62879 to 62879. [2024-11-23 22:43:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62879 states, 47439 states have (on average 1.360884504310799) internal successors, (64559), 48053 states have internal predecessors, (64559), 12972 states have call successors, (12972), 2484 states have call predecessors, (12972), 2467 states have return successors, (12971), 12707 states have call predecessors, (12971), 12971 states have call successors, (12971) [2024-11-23 22:43:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62879 states to 62879 states and 90502 transitions. [2024-11-23 22:43:49,198 INFO L78 Accepts]: Start accepts. Automaton has 62879 states and 90502 transitions. Word has length 195 [2024-11-23 22:43:49,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:43:49,200 INFO L471 AbstractCegarLoop]: Abstraction has 62879 states and 90502 transitions. [2024-11-23 22:43:49,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 22:43:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 62879 states and 90502 transitions. [2024-11-23 22:43:49,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-23 22:43:49,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:43:49,207 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:43:49,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 22:43:49,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:43:49,408 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:43:49,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:43:49,408 INFO L85 PathProgramCache]: Analyzing trace with hash -305283012, now seen corresponding path program 1 times [2024-11-23 22:43:49,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:43:49,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456885744] [2024-11-23 22:43:49,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:43:49,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:43:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:43:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-23 22:43:58,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:43:58,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456885744] [2024-11-23 22:43:58,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456885744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:43:58,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188850526] [2024-11-23 22:43:58,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:43:58,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:43:58,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:43:58,132 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:43:58,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:44:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:44:07,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 3959 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:44:07,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:44:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:44:08,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:44:08,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188850526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:44:08,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:44:08,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-23 22:44:08,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566811602] [2024-11-23 22:44:08,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:44:08,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:44:08,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:44:08,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:44:08,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:44:08,250 INFO L87 Difference]: Start difference. First operand 62879 states and 90502 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:44:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:44:12,013 INFO L93 Difference]: Finished difference Result 157389 states and 226478 transitions. [2024-11-23 22:44:12,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:44:12,014 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 197 [2024-11-23 22:44:12,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:44:12,712 INFO L225 Difference]: With dead ends: 157389 [2024-11-23 22:44:12,712 INFO L226 Difference]: Without dead ends: 94538 [2024-11-23 22:44:12,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:44:12,962 INFO L435 NwaCegarLoop]: 3620 mSDtfsCounter, 3195 mSDsluCounter, 17614 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 21234 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:44:12,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 21234 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:44:13,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94538 states. [2024-11-23 22:44:16,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94538 to 94243. [2024-11-23 22:44:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94243 states, 71112 states have (on average 1.3610501743728203) internal successors, (96787), 72052 states have internal predecessors, (96787), 19421 states have call successors, (19421), 3718 states have call predecessors, (19421), 3709 states have return successors, (19460), 19020 states have call predecessors, (19460), 19420 states have call successors, (19460) [2024-11-23 22:44:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94243 states to 94243 states and 135668 transitions. [2024-11-23 22:44:17,777 INFO L78 Accepts]: Start accepts. Automaton has 94243 states and 135668 transitions. Word has length 197 [2024-11-23 22:44:17,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:44:17,785 INFO L471 AbstractCegarLoop]: Abstraction has 94243 states and 135668 transitions. [2024-11-23 22:44:17,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:44:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 94243 states and 135668 transitions. [2024-11-23 22:44:17,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-23 22:44:17,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:44:17,812 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:44:17,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 22:44:18,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:44:18,013 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:44:18,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:44:18,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1499982649, now seen corresponding path program 1 times [2024-11-23 22:44:18,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:44:18,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343532063] [2024-11-23 22:44:18,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:44:18,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:44:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:44:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:44:28,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:44:28,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343532063] [2024-11-23 22:44:28,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343532063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:44:28,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286560038] [2024-11-23 22:44:28,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:44:28,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:44:28,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:44:28,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:44:28,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:44:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:44:38,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 3961 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:44:38,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:44:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:44:39,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:44:39,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286560038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:44:39,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:44:39,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-23 22:44:39,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126699748] [2024-11-23 22:44:39,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:44:39,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:44:39,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:44:39,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:44:39,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-23 22:44:39,687 INFO L87 Difference]: Start difference. First operand 94243 states and 135668 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:44:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:44:44,718 INFO L93 Difference]: Finished difference Result 220223 states and 316902 transitions. [2024-11-23 22:44:44,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:44:44,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 198 [2024-11-23 22:44:44,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:44:45,754 INFO L225 Difference]: With dead ends: 220223 [2024-11-23 22:44:45,754 INFO L226 Difference]: Without dead ends: 126008 [2024-11-23 22:44:46,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-23 22:44:46,095 INFO L435 NwaCegarLoop]: 3684 mSDtfsCounter, 3195 mSDsluCounter, 17858 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 21542 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:44:46,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 21542 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:44:46,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126008 states. [2024-11-23 22:44:50,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126008 to 125671. [2024-11-23 22:44:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125671 states, 94825 states have (on average 1.3609807540205643) internal successors, (129055), 96123 states have internal predecessors, (129055), 25870 states have call successors, (25870), 4952 states have call predecessors, (25870), 4975 states have return successors, (25973), 25325 states have call predecessors, (25973), 25869 states have call successors, (25973) [2024-11-23 22:44:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125671 states to 125671 states and 180898 transitions. [2024-11-23 22:44:51,566 INFO L78 Accepts]: Start accepts. Automaton has 125671 states and 180898 transitions. Word has length 198 [2024-11-23 22:44:51,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:44:51,567 INFO L471 AbstractCegarLoop]: Abstraction has 125671 states and 180898 transitions. [2024-11-23 22:44:51,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:44:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 125671 states and 180898 transitions. [2024-11-23 22:44:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-23 22:44:51,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:44:51,576 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:44:51,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 22:44:51,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:44:51,776 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:44:51,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:44:51,777 INFO L85 PathProgramCache]: Analyzing trace with hash -243656733, now seen corresponding path program 1 times [2024-11-23 22:44:51,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:44:51,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158529916] [2024-11-23 22:44:51,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:44:51,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:44:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:45:00,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:00,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158529916] [2024-11-23 22:45:00,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158529916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:00,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524195970] [2024-11-23 22:45:00,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:00,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:00,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:00,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:00,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4845c224-fd09-462f-b4f4-df9738de4a05/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:45:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:09,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 3963 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:45:09,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:10,295 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-23 22:45:10,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:45:10,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524195970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:10,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:45:10,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-23 22:45:10,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744873850] [2024-11-23 22:45:10,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:10,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:45:10,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:10,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:45:10,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-23 22:45:10,297 INFO L87 Difference]: Start difference. First operand 125671 states and 180898 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 22:45:15,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:15,470 INFO L93 Difference]: Finished difference Result 283057 states and 407326 transitions. [2024-11-23 22:45:15,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:45:15,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 199 [2024-11-23 22:45:15,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:16,104 INFO L225 Difference]: With dead ends: 283057 [2024-11-23 22:45:16,105 INFO L226 Difference]: Without dead ends: 157414 [2024-11-23 22:45:16,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-23 22:45:16,633 INFO L435 NwaCegarLoop]: 3688 mSDtfsCounter, 3195 mSDsluCounter, 17874 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 21562 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:16,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 21562 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:45:16,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157414 states.