./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/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_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX --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 0.2.5-dev-a016563 [2024-11-08 18:20:39,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:20:40,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 18:20:40,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:20:40,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:20:40,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:20:40,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:20:40,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:20:40,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:20:40,124 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:20:40,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:20:40,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:20:40,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:20:40,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:20:40,130 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:20:40,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:20:40,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:20:40,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:20:40,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:20:40,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:20:40,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:20:40,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:20:40,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:20:40,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:20:40,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:20:40,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:20:40,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:20:40,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:20:40,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:20:40,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:20:40,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:20:40,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:20:40,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:20:40,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:20:40,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:20:40,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:20:40,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:20:40,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:20:40,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:20:40,139 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 [2024-11-08 18:20:40,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:20:40,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:20:40,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:20:40,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:20:40,462 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:20:40,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/../../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 Unable to find full path for "g++" [2024-11-08 18:20:42,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:20:42,995 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:20:42,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/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 [2024-11-08 18:20:43,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/data/e14243351/6a64997de5254059a3584e132f586067/FLAG2f7bb7713 [2024-11-08 18:20:43,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/data/e14243351/6a64997de5254059a3584e132f586067 [2024-11-08 18:20:43,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:20:43,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:20:43,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:20:43,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:20:43,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:20:43,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:20:43" (1/1) ... [2024-11-08 18:20:43,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5803373b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:43, skipping insertion in model container [2024-11-08 18:20:43,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:20:43" (1/1) ... [2024-11-08 18:20:43,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:20:45,920 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_311b6531-367f-488b-b88e-ad4728d6a500/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] [2024-11-08 18:20:45,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:20:46,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:20:46,213 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] [2024-11-08 18:20:46,216 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] [2024-11-08 18:20:46,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5744] [2024-11-08 18:20:46,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5752] [2024-11-08 18:20:46,326 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] [2024-11-08 18:20:46,329 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] [2024-11-08 18:20:46,519 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_311b6531-367f-488b-b88e-ad4728d6a500/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] [2024-11-08 18:20:46,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:20:46,758 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:20:46,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46 WrapperNode [2024-11-08 18:20:46,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:20:46,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:20:46,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:20:46,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:20:46,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:46,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:47,089 INFO L138 Inliner]: procedures = 276, calls = 1627, calls flagged for inlining = 149, calls inlined = 146, statements flattened = 5245 [2024-11-08 18:20:47,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:20:47,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:20:47,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:20:47,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:20:47,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:47,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:47,145 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:48,044 INFO L175 MemorySlicer]: Split 874 memory accesses to 20 slices as follows [2, 7, 43, 34, 647, 6, 2, 8, 7, 5, 5, 2, 7, 9, 7, 1, 7, 7, 3, 65]. 74 percent of accesses are in the largest equivalence class. The 57 initializations are split as follows [2, 0, 0, 0, 14, 0, 0, 8, 7, 5, 5, 0, 0, 0, 7, 0, 7, 0, 2, 0]. The 426 writes are split as follows [0, 4, 43, 34, 273, 4, 0, 0, 0, 0, 0, 0, 5, 2, 0, 0, 0, 3, 0, 58]. [2024-11-08 18:20:48,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:48,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:48,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:48,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:48,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:48,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:48,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:20:48,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:20:48,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:20:48,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:20:48,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (1/1) ... [2024-11-08 18:20:48,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:20:48,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:20:48,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:20:48,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:20:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2024-11-08 18:20:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2024-11-08 18:20:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-08 18:20:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-08 18:20:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2024-11-08 18:20:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2024-11-08 18:20:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 18:20:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 18:20:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 18:20:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 18:20:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 18:20:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-08 18:20:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-08 18:20:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-08 18:20:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-08 18:20:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-08 18:20:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-08 18:20:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-08 18:20:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-08 18:20:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-08 18:20:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-08 18:20:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-08 18:20:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-08 18:20:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-08 18:20:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-08 18:20:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-08 18:20:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-08 18:20:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-08 18:20:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-08 18:20:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-08 18:20:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-08 18:20:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-08 18:20:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-08 18:20:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-08 18:20:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-08 18:20:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-08 18:20:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-08 18:20:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-08 18:20:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-08 18:20:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-08 18:20:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-08 18:20:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-08 18:20:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2024-11-08 18:20:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2024-11-08 18:20:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-08 18:20:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-08 18:20:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-08 18:20:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-08 18:20:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-08 18:20:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-08 18:20:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-08 18:20:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-08 18:20:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-08 18:20:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-08 18:20:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2024-11-08 18:20:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2024-11-08 18:20:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-08 18:20:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-08 18:20:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:20:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:20:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-08 18:20:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-08 18:20:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-08 18:20:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-08 18:20:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-08 18:20:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-08 18:20:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-08 18:20:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-08 18:20:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2024-11-08 18:20:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2024-11-08 18:20:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-08 18:20:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-08 18:20:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-08 18:20:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-08 18:20:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-08 18:20:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-08 18:20:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 18:20:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-08 18:20:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-08 18:20:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-08 18:20:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-08 18:20:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 18:20:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 18:20:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 18:20:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 18:20:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 18:20:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 18:20:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 18:20:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 18:20:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 18:20:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 18:20:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-08 18:20:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-08 18:20:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-08 18:20:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-08 18:20:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-08 18:20:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-08 18:20:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-08 18:20:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-08 18:20:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-08 18:20:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-08 18:20:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-08 18:20:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-08 18:20:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-08 18:20:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-08 18:20:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-08 18:20:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-08 18:20:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-08 18:20:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-08 18:20:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-08 18:20:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-08 18:20:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-08 18:20:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-08 18:20:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2024-11-08 18:20:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2024-11-08 18:20:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2024-11-08 18:20:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2024-11-08 18:20:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-08 18:20:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-08 18:20:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2024-11-08 18:20:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2024-11-08 18:20:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2024-11-08 18:20:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2024-11-08 18:20:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-08 18:20:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-08 18:20:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 18:20:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 18:20:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 18:20:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 18:20:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 18:20:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 18:20:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 18:20:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 18:20:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-08 18:20:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-08 18:20:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-08 18:20:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-08 18:20:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-08 18:20:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-08 18:20:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-08 18:20:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-08 18:20:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-08 18:20:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-08 18:20:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-08 18:20:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-08 18:20:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-08 18:20:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-08 18:20:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-08 18:20:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-11-08 18:20:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-11-08 18:20:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-08 18:20:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-08 18:20:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-08 18:20:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-08 18:20:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2024-11-08 18:20:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2024-11-08 18:20:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-08 18:20:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-08 18:20:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2024-11-08 18:20:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2024-11-08 18:20:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-08 18:20:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-08 18:20:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-08 18:20:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-08 18:20:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-11-08 18:20:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-08 18:20:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-08 18:20:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-08 18:20:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-08 18:20:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-08 18:20:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-08 18:20:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-08 18:20:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-08 18:20:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-08 18:20:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-08 18:20:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-08 18:20:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-08 18:20:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-08 18:20:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2024-11-08 18:20:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2024-11-08 18:20:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:20:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:20:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 18:20:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 18:20:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 18:20:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 18:20:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 18:20:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 18:20:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 18:20:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 18:20:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 18:20:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 18:20:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 18:20:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 18:20:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 18:20:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 18:20:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-08 18:20:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-08 18:20:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-08 18:20:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-08 18:20:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2024-11-08 18:20:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2024-11-08 18:20:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-08 18:20:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-08 18:20:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-08 18:20:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-08 18:20:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-08 18:20:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-08 18:20:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-11-08 18:20:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-11-08 18:20:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-08 18:20:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-08 18:20:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-08 18:20:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-08 18:20:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-08 18:20:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-08 18:20:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2024-11-08 18:20:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2024-11-08 18:20:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-08 18:20:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-08 18:20:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:20:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:20:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 18:20:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 18:20:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 18:20:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 18:20:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 18:20:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 18:20:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 18:20:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 18:20:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 18:20:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 18:20:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 18:20:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 18:20:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 18:20:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 18:20:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-08 18:20:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-08 18:20:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-08 18:20:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-08 18:20:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2024-11-08 18:20:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2024-11-08 18:20:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-08 18:20:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-08 18:20:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2024-11-08 18:20:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2024-11-08 18:20:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-08 18:20:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-08 18:20:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2024-11-08 18:20:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2024-11-08 18:20:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-08 18:20:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-08 18:20:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_config [2024-11-08 18:20:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_config [2024-11-08 18:20:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 18:20:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2024-11-08 18:20:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2024-11-08 18:20:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-08 18:20:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-08 18:20:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2024-11-08 18:20:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2024-11-08 18:20:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:20:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2024-11-08 18:20:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2024-11-08 18:20:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 18:20:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 18:20:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 18:20:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 18:20:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 18:20:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-08 18:20:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-08 18:20:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-08 18:20:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-08 18:20:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-08 18:20:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-08 18:20:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-08 18:20:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-08 18:20:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-08 18:20:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-08 18:20:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-08 18:20:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-08 18:20:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-08 18:20:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-08 18:20:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-08 18:20:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-08 18:20:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-08 18:20:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-08 18:20:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-08 18:20:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-08 18:20:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-08 18:20:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-08 18:20:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-08 18:20:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2024-11-08 18:20:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2024-11-08 18:20:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2024-11-08 18:20:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2024-11-08 18:20:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-08 18:20:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-08 18:20:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2024-11-08 18:20:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2024-11-08 18:20:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-08 18:20:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-08 18:20:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:20:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:20:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 18:20:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 18:20:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 18:20:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 18:20:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 18:20:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 18:20:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 18:20:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 18:20:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 18:20:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 18:20:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 18:20:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 18:20:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 18:20:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 18:20:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 18:20:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-08 18:20:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-08 18:20:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-08 18:20:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-08 18:20:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-08 18:20:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:20:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:20:49,500 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:20:49,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:20:49,673 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-08 18:21:05,128 INFO L? ?]: Removed 2279 outVars from TransFormulas that were not future-live. [2024-11-08 18:21:05,128 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:21:05,185 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:21:05,185 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:21:05,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:21:05 BoogieIcfgContainer [2024-11-08 18:21:05,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:21:05,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:21:05,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:21:05,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:21:05,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:20:43" (1/3) ... [2024-11-08 18:21:05,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9086cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:21:05, skipping insertion in model container [2024-11-08 18:21:05,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:46" (2/3) ... [2024-11-08 18:21:05,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9086cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:21:05, skipping insertion in model container [2024-11-08 18:21:05,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:21:05" (3/3) ... [2024-11-08 18:21:05,199 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2024-11-08 18:21:05,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:21:05,219 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:21:05,391 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:21:05,400 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;@286cd7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:21:05,400 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:21:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 2224 states, 1660 states have (on average 1.3909638554216868) internal successors, (2309), 1688 states have internal predecessors, (2309), 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) [2024-11-08 18:21:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 18:21:05,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:05,474 INFO L215 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] [2024-11-08 18:21:05,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:05,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:05,481 INFO L85 PathProgramCache]: Analyzing trace with hash -100337014, now seen corresponding path program 1 times [2024-11-08 18:21:05,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:05,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208052176] [2024-11-08 18:21:05,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:05,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:21:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:21:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:21:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:21:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:21:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:21:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:21:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:21:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:21:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:21:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:21:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:21:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:21:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:21:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:21:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:21:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:21:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:21:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:14,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:21:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:15,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:21:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:15,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:21:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:15,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:21:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:15,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:21:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:15,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:21:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:15,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 18:21:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:15,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 18:21:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-08 18:21:15,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:15,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208052176] [2024-11-08 18:21:15,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208052176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:15,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:15,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:21:15,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382398164] [2024-11-08 18:21:15,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:15,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:21:15,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:15,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:21:15,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:21:15,244 INFO L87 Difference]: Start difference. First operand has 2224 states, 1660 states have (on average 1.3909638554216868) internal successors, (2309), 1688 states have internal predecessors, (2309), 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 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:21:19,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:21:23,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:21:27,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:22:08,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:22:08,104 INFO L93 Difference]: Finished difference Result 4788 states and 7200 transitions. [2024-11-08 18:22:08,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:22:08,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 182 [2024-11-08 18:22:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:22:08,145 INFO L225 Difference]: With dead ends: 4788 [2024-11-08 18:22:08,146 INFO L226 Difference]: Without dead ends: 2549 [2024-11-08 18:22:08,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:22:08,167 INFO L432 NwaCegarLoop]: 1505 mSDtfsCounter, 4525 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 3808 mSolverCounterSat, 2786 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4563 SdHoareTripleChecker+Valid, 4497 SdHoareTripleChecker+Invalid, 6597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2786 IncrementalHoareTripleChecker+Valid, 3808 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:22:08,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4563 Valid, 4497 Invalid, 6597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2786 Valid, 3808 Invalid, 3 Unknown, 0 Unchecked, 51.6s Time] [2024-11-08 18:22:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2024-11-08 18:22:08,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 2204. [2024-11-08 18:22:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2204 states, 1649 states have (on average 1.3602183141297757) internal successors, (2243), 1668 states have internal predecessors, (2243), 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) [2024-11-08 18:22:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 2204 states and 3186 transitions. [2024-11-08 18:22:08,409 INFO L78 Accepts]: Start accepts. Automaton has 2204 states and 3186 transitions. Word has length 182 [2024-11-08 18:22:08,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:22:08,410 INFO L471 AbstractCegarLoop]: Abstraction has 2204 states and 3186 transitions. [2024-11-08 18:22:08,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:22:08,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 3186 transitions. [2024-11-08 18:22:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 18:22:08,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:08,425 INFO L215 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] [2024-11-08 18:22:08,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:22:08,425 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:22:08,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1934727274, now seen corresponding path program 1 times [2024-11-08 18:22:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:22:08,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030455427] [2024-11-08 18:22:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:16,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:22:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:22:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:22:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:22:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:22:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:22:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:22:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:22:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:22:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:22:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:22:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:22:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:22:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:22:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:22:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:22:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:22:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 18:22:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 18:22:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 18:22:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 18:22:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-08 18:22:17,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:22:17,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030455427] [2024-11-08 18:22:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030455427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:22:17,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:22:17,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:22:17,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39484042] [2024-11-08 18:22:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:22:17,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:22:17,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:22:17,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:22:17,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:22:17,696 INFO L87 Difference]: Start difference. First operand 2204 states and 3186 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:22:21,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:22:26,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:22:30,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:15,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:24:15,594 INFO L93 Difference]: Finished difference Result 7245 states and 10588 transitions. [2024-11-08 18:24:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 18:24:15,595 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 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 [2024-11-08 18:24:15,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:24:15,635 INFO L225 Difference]: With dead ends: 7245 [2024-11-08 18:24:15,635 INFO L226 Difference]: Without dead ends: 5069 [2024-11-08 18:24:15,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-08 18:24:15,650 INFO L432 NwaCegarLoop]: 1500 mSDtfsCounter, 11639 mSDsluCounter, 6707 mSDsCounter, 0 mSdLazyCounter, 9785 mSolverCounterSat, 6063 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11922 SdHoareTripleChecker+Valid, 8207 SdHoareTripleChecker+Invalid, 15851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6063 IncrementalHoareTripleChecker+Valid, 9785 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:24:15,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11922 Valid, 8207 Invalid, 15851 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6063 Valid, 9785 Invalid, 3 Unknown, 0 Unchecked, 114.1s Time] [2024-11-08 18:24:15,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5069 states. [2024-11-08 18:24:15,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5069 to 4374. [2024-11-08 18:24:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4374 states, 3276 states have (on average 1.3608058608058609) internal successors, (4458), 3318 states have internal predecessors, (4458), 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) [2024-11-08 18:24:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 4374 states and 6323 transitions. [2024-11-08 18:24:15,905 INFO L78 Accepts]: Start accepts. Automaton has 4374 states and 6323 transitions. Word has length 182 [2024-11-08 18:24:15,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:24:15,906 INFO L471 AbstractCegarLoop]: Abstraction has 4374 states and 6323 transitions. [2024-11-08 18:24:15,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:24:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4374 states and 6323 transitions. [2024-11-08 18:24:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-08 18:24:15,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:24:15,917 INFO L215 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] [2024-11-08 18:24:15,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:24:15,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:24:15,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:24:15,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1234159970, now seen corresponding path program 1 times [2024-11-08 18:24:15,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:24:15,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889310211] [2024-11-08 18:24:15,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:24:15,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:24:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:24:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:24:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:24:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:24:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:24:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:24:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:24:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:24:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:24:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:24:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:24:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:24:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:24:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:24:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:24:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:24:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:24:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:24:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:24:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:24:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:23,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:24:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:24,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:24:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:24,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:24:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:24,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:24:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 18:24:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:24:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:24:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-08 18:24:24,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:24:24,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889310211] [2024-11-08 18:24:24,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889310211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:24:24,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:24:24,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:24:24,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756587585] [2024-11-08 18:24:24,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:24:24,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:24:24,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:24:24,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:24:24,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:24:24,255 INFO L87 Difference]: Start difference. First operand 4374 states and 6323 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:24:28,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:32,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:24:36,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:25,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:26:25,033 INFO L93 Difference]: Finished difference Result 14446 states and 21101 transitions. [2024-11-08 18:26:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 18:26:25,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 7 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 [2024-11-08 18:26:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:26:25,097 INFO L225 Difference]: With dead ends: 14446 [2024-11-08 18:26:25,097 INFO L226 Difference]: Without dead ends: 10100 [2024-11-08 18:26:25,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-08 18:26:25,117 INFO L432 NwaCegarLoop]: 1515 mSDtfsCounter, 11627 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 9742 mSolverCounterSat, 6037 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 113.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11910 SdHoareTripleChecker+Valid, 8233 SdHoareTripleChecker+Invalid, 15782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6037 IncrementalHoareTripleChecker+Valid, 9742 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 116.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:26:25,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11910 Valid, 8233 Invalid, 15782 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6037 Valid, 9742 Invalid, 3 Unknown, 0 Unchecked, 116.7s Time] [2024-11-08 18:26:25,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10100 states. [2024-11-08 18:26:25,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10100 to 8719. [2024-11-08 18:26:25,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8719 states, 6536 states have (on average 1.3607711138310894) internal successors, (8894), 6619 states have internal predecessors, (8894), 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) [2024-11-08 18:26:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8719 states to 8719 states and 12601 transitions. [2024-11-08 18:26:25,693 INFO L78 Accepts]: Start accepts. Automaton has 8719 states and 12601 transitions. Word has length 183 [2024-11-08 18:26:25,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:26:25,695 INFO L471 AbstractCegarLoop]: Abstraction has 8719 states and 12601 transitions. [2024-11-08 18:26:25,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:26:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 8719 states and 12601 transitions. [2024-11-08 18:26:25,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-08 18:26:25,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:26:25,705 INFO L215 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] [2024-11-08 18:26:25,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:26:25,706 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:26:25,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:26:25,706 INFO L85 PathProgramCache]: Analyzing trace with hash -101504615, now seen corresponding path program 1 times [2024-11-08 18:26:25,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:26:25,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719254261] [2024-11-08 18:26:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:26:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:26:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:26:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:26:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:26:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:26:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:26:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:26:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:26:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:26:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:26:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:26:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:26:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:26:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:26:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:26:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:26:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:26:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:26:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:33,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 18:26:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:34,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 18:26:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:34,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 18:26:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:34,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-08 18:26:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-08 18:26:34,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:26:34,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719254261] [2024-11-08 18:26:34,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719254261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:26:34,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:26:34,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:26:34,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543345312] [2024-11-08 18:26:34,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:26:34,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:26:34,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:26:34,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:26:34,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:26:34,067 INFO L87 Difference]: Start difference. First operand 8719 states and 12601 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:26:38,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:42,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:26:46,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:28:47,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:47,192 INFO L93 Difference]: Finished difference Result 28860 states and 42129 transitions. [2024-11-08 18:28:47,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 18:28:47,193 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 7 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 [2024-11-08 18:28:47,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:47,312 INFO L225 Difference]: With dead ends: 28860 [2024-11-08 18:28:47,312 INFO L226 Difference]: Without dead ends: 20169 [2024-11-08 18:28:47,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-08 18:28:47,356 INFO L432 NwaCegarLoop]: 1480 mSDtfsCounter, 9833 mSDsluCounter, 7550 mSDsCounter, 0 mSdLazyCounter, 10503 mSolverCounterSat, 4785 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10115 SdHoareTripleChecker+Valid, 9030 SdHoareTripleChecker+Invalid, 15291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4785 IncrementalHoareTripleChecker+Valid, 10503 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:47,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10115 Valid, 9030 Invalid, 15291 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4785 Valid, 10503 Invalid, 3 Unknown, 0 Unchecked, 128.7s Time] [2024-11-08 18:28:47,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20169 states. [2024-11-08 18:28:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20169 to 17414. [2024-11-08 18:28:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17414 states, 13061 states have (on average 1.3605390092642218) internal successors, (17770), 13225 states have internal predecessors, (17770), 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) [2024-11-08 18:28:48,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17414 states to 17414 states and 25159 transitions. [2024-11-08 18:28:48,599 INFO L78 Accepts]: Start accepts. Automaton has 17414 states and 25159 transitions. Word has length 184 [2024-11-08 18:28:48,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:48,599 INFO L471 AbstractCegarLoop]: Abstraction has 17414 states and 25159 transitions. [2024-11-08 18:28:48,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:28:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand 17414 states and 25159 transitions. [2024-11-08 18:28:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-08 18:28:48,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:48,614 INFO L215 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] [2024-11-08 18:28:48,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:28:48,614 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:48,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:48,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1540978433, now seen corresponding path program 1 times [2024-11-08 18:28:48,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:48,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559724354] [2024-11-08 18:28:48,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:48,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:56,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:28:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:56,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:56,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:56,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:28:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:56,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:28:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:28:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:28:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:28:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:28:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:28:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:28:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:28:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:28:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:28:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 18:28:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 18:28:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 18:28:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 18:28:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-08 18:28:57,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:57,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559724354] [2024-11-08 18:28:57,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559724354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:57,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:57,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:28:57,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57991987] [2024-11-08 18:28:57,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:57,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:28:57,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:57,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:28:57,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:28:57,678 INFO L87 Difference]: Start difference. First operand 17414 states and 25159 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:29:01,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:29:06,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:29:10,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:31:17,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:17,023 INFO L93 Difference]: Finished difference Result 57682 states and 84155 transitions. [2024-11-08 18:31:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 18:31:17,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 7 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 [2024-11-08 18:31:17,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:17,238 INFO L225 Difference]: With dead ends: 57682 [2024-11-08 18:31:17,238 INFO L226 Difference]: Without dead ends: 40296 [2024-11-08 18:31:17,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-08 18:31:17,314 INFO L432 NwaCegarLoop]: 1480 mSDtfsCounter, 9825 mSDsluCounter, 7550 mSDsCounter, 0 mSdLazyCounter, 10507 mSolverCounterSat, 4789 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10108 SdHoareTripleChecker+Valid, 9030 SdHoareTripleChecker+Invalid, 15299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4789 IncrementalHoareTripleChecker+Valid, 10507 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:17,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10108 Valid, 9030 Invalid, 15299 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4789 Valid, 10507 Invalid, 3 Unknown, 0 Unchecked, 134.0s Time] [2024-11-08 18:31:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40296 states. [2024-11-08 18:31:19,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40296 to 34802. [2024-11-08 18:31:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34802 states, 26111 states have (on average 1.3601930220979663) internal successors, (35516), 26435 states have internal predecessors, (35516), 7374 states have call successors, (7374), 1317 states have call predecessors, (7374), 1316 states have return successors, (7373), 7257 states have call predecessors, (7373), 7373 states have call successors, (7373) [2024-11-08 18:31:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34802 states to 34802 states and 50263 transitions. [2024-11-08 18:31:19,712 INFO L78 Accepts]: Start accepts. Automaton has 34802 states and 50263 transitions. Word has length 185 [2024-11-08 18:31:19,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:19,713 INFO L471 AbstractCegarLoop]: Abstraction has 34802 states and 50263 transitions. [2024-11-08 18:31:19,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:31:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 34802 states and 50263 transitions. [2024-11-08 18:31:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 18:31:19,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:19,728 INFO L215 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, 1] [2024-11-08 18:31:19,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:31:19,729 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:19,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1700604598, now seen corresponding path program 1 times [2024-11-08 18:31:19,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:19,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630910133] [2024-11-08 18:31:19,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:19,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:27,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:31:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:27,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:31:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:31:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:31:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:31:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:27,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:31:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:27,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:31:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:31:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:31:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:31:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:31:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:31:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:31:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:31:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:31:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:31:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:31:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:31:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:31:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:31:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:31:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:31:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:31:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 18:31:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 18:31:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 18:31:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 18:31:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-08 18:31:28,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:31:28,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630910133] [2024-11-08 18:31:28,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630910133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:28,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:28,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:31:28,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342514275] [2024-11-08 18:31:28,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:28,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:31:28,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:31:28,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:31:28,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:31:28,558 INFO L87 Difference]: Start difference. First operand 34802 states and 50263 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:31:32,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:31:36,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:31:41,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:33:00,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:33:00,831 INFO L93 Difference]: Finished difference Result 107828 states and 156935 transitions. [2024-11-08 18:33:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 18:33:00,832 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (22), 6 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 196 [2024-11-08 18:33:00,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:33:01,248 INFO L225 Difference]: With dead ends: 107828 [2024-11-08 18:33:01,249 INFO L226 Difference]: Without dead ends: 73054 [2024-11-08 18:33:01,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:33:01,401 INFO L432 NwaCegarLoop]: 1484 mSDtfsCounter, 10462 mSDsluCounter, 4075 mSDsCounter, 0 mSdLazyCounter, 6007 mSolverCounterSat, 5381 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10672 SdHoareTripleChecker+Valid, 5559 SdHoareTripleChecker+Invalid, 11391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5381 IncrementalHoareTripleChecker+Valid, 6007 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:33:01,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10672 Valid, 5559 Invalid, 11391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5381 Valid, 6007 Invalid, 3 Unknown, 0 Unchecked, 87.0s Time] [2024-11-08 18:33:01,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73054 states. [2024-11-08 18:33:05,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73054 to 62943. [2024-11-08 18:33:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62943 states, 47503 states have (on average 1.3603982906342758) internal successors, (64623), 48117 states have internal predecessors, (64623), 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) [2024-11-08 18:33:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62943 states to 62943 states and 90566 transitions. [2024-11-08 18:33:06,161 INFO L78 Accepts]: Start accepts. Automaton has 62943 states and 90566 transitions. Word has length 196 [2024-11-08 18:33:06,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:33:06,163 INFO L471 AbstractCegarLoop]: Abstraction has 62943 states and 90566 transitions. [2024-11-08 18:33:06,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:33:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 62943 states and 90566 transitions. [2024-11-08 18:33:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-08 18:33:06,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:33:06,171 INFO L215 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] [2024-11-08 18:33:06,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:33:06,171 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:33:06,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:06,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1731149775, now seen corresponding path program 1 times [2024-11-08 18:33:06,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:06,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558862933] [2024-11-08 18:33:06,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:06,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:33:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:33:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:33:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:33:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:33:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:33:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:15,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:16,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:33:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:16,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:33:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:16,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:33:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:16,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:33:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 18:33:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:17,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 18:33:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:17,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 18:33:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:17,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 18:33:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:17,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-08 18:33:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-08 18:33:17,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:17,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558862933] [2024-11-08 18:33:17,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558862933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:33:17,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116178383] [2024-11-08 18:33:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:17,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:33:17,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:33:17,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:33:17,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:33:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:26,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 3954 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:33:26,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:33:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-08 18:33:26,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:33:26,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116178383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:26,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:33:26,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-08 18:33:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995754741] [2024-11-08 18:33:26,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:26,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:26,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:26,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:26,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:33:26,632 INFO L87 Difference]: Start difference. First operand 62943 states and 90566 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) [2024-11-08 18:33:28,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:33:28,383 INFO L93 Difference]: Finished difference Result 62978 states and 90632 transitions. [2024-11-08 18:33:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:28,384 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 [2024-11-08 18:33:28,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:33:28,756 INFO L225 Difference]: With dead ends: 62978 [2024-11-08 18:33:28,756 INFO L226 Difference]: Without dead ends: 62975 [2024-11-08 18:33:28,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:33:28,802 INFO L432 NwaCegarLoop]: 3185 mSDtfsCounter, 0 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6365 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:33:28,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6365 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:33:28,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62975 states. [2024-11-08 18:33:31,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62975 to 62975. [2024-11-08 18:33:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62975 states, 47535 states have (on average 1.360155674765962) internal successors, (64655), 48149 states have internal predecessors, (64655), 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) [2024-11-08 18:33:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62975 states to 62975 states and 90598 transitions. [2024-11-08 18:33:31,818 INFO L78 Accepts]: Start accepts. Automaton has 62975 states and 90598 transitions. Word has length 195 [2024-11-08 18:33:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:33:31,819 INFO L471 AbstractCegarLoop]: Abstraction has 62975 states and 90598 transitions. [2024-11-08 18:33:31,820 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) [2024-11-08 18:33:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 62975 states and 90598 transitions. [2024-11-08 18:33:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 18:33:31,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:33:31,827 INFO L215 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] [2024-11-08 18:33:31,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:33:32,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:33:32,029 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:33:32,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:32,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2043979274, now seen corresponding path program 1 times [2024-11-08 18:33:32,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:32,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010720490] [2024-11-08 18:33:32,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:32,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:33:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 18:33:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:33:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:33:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:33:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:33:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 18:33:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 18:33:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:33:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:33:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 18:33:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:42,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:33:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 18:33:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:43,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 18:33:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:43,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 18:33:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:43,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 18:33:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-08 18:33:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-08 18:33:43,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:43,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010720490] [2024-11-08 18:33:43,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010720490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:33:43,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700832648] [2024-11-08 18:33:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:43,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:33:43,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:33:43,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:33:43,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:33:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:52,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 3959 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 18:33:52,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:33:54,380 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-08 18:33:54,381 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:33:54,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700832648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:54,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:33:54,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-08 18:33:54,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063182311] [2024-11-08 18:33:54,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:54,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:33:54,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:54,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:33:54,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:33:54,391 INFO L87 Difference]: Start difference. First operand 62975 states and 90598 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) [2024-11-08 18:33:59,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:33:59,570 INFO L93 Difference]: Finished difference Result 157629 states and 226718 transitions. [2024-11-08 18:33:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:33:59,571 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 [2024-11-08 18:33:59,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:34:00,458 INFO L225 Difference]: With dead ends: 157629 [2024-11-08 18:34:00,458 INFO L226 Difference]: Without dead ends: 94682 [2024-11-08 18:34:00,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:34:00,669 INFO L432 NwaCegarLoop]: 3623 mSDtfsCounter, 3198 mSDsluCounter, 17629 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3202 SdHoareTripleChecker+Valid, 21252 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:34:00,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3202 Valid, 21252 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 18:34:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94682 states. [2024-11-08 18:34:05,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94682 to 94387. [2024-11-08 18:34:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94387 states, 71256 states have (on average 1.3603205344111373) internal successors, (96931), 72196 states have internal predecessors, (96931), 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) [2024-11-08 18:34:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94387 states to 94387 states and 135812 transitions. [2024-11-08 18:34:05,881 INFO L78 Accepts]: Start accepts. Automaton has 94387 states and 135812 transitions. Word has length 197 [2024-11-08 18:34:05,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:34:05,881 INFO L471 AbstractCegarLoop]: Abstraction has 94387 states and 135812 transitions. [2024-11-08 18:34:05,882 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) [2024-11-08 18:34:05,882 INFO L276 IsEmpty]: Start isEmpty. Operand 94387 states and 135812 transitions. [2024-11-08 18:34:05,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 18:34:05,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:34:05,894 INFO L215 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] [2024-11-08 18:34:05,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:34:06,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b6531-367f-488b-b88e-ad4728d6a500/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:34:06,095 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:34:06,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:34:06,096 INFO L85 PathProgramCache]: Analyzing trace with hash 37800435, now seen corresponding path program 1 times [2024-11-08 18:34:06,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:34:06,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597436125] [2024-11-08 18:34:06,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:34:06,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms