./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--dec--tulip--dmfe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:46:08,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:46:09,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:46:09,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:46:09,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:46:09,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:46:09,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:46:09,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:46:09,116 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:46:09,116 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:46:09,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:46:09,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:46:09,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:46:09,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:46:09,119 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:46:09,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:46:09,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:46:09,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:46:09,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:46:09,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:46:09,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:46:09,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:46:09,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:46:09,120 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:46:09,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:46:09,121 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:46:09,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:46:09,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:46:09,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:46:09,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:46:09,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:46:09,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:46:09,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:46:09,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:46:09,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:46:09,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:46:09,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:46:09,123 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:46:09,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:46:09,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:46:09,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:46:09,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:46:09,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:46:09,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:46:09,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:46:09,124 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 [2024-11-23 23:46:09,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:46:09,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:46:09,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:46:09,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:46:09,482 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:46:09,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2024-11-23 23:46:13,019 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/data/b9a197acb/01affa28415048f2b54a6ad8b29dcc1f/FLAGa5f9ff6ca [2024-11-23 23:46:13,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:46:13,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2024-11-23 23:46:13,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/data/b9a197acb/01affa28415048f2b54a6ad8b29dcc1f/FLAGa5f9ff6ca [2024-11-23 23:46:13,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/data/b9a197acb/01affa28415048f2b54a6ad8b29dcc1f [2024-11-23 23:46:13,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:46:13,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:46:13,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:46:13,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:46:13,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:46:13,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:46:13" (1/1) ... [2024-11-23 23:46:13,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5aaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:13, skipping insertion in model container [2024-11-23 23:46:13,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:46:13" (1/1) ... [2024-11-23 23:46:14,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:46:16,120 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_2f10dc03-2079-4295-bc6a-644421750136/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2024-11-23 23:46:16,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:46:16,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:46:16,465 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"); [5603] [2024-11-23 23:46:16,498 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)); [5934-5935] [2024-11-23 23:46:16,505 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)); [5963-5964] [2024-11-23 23:46:16,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7206] [2024-11-23 23:46:16,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7495] [2024-11-23 23:46:16,744 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_2f10dc03-2079-4295-bc6a-644421750136/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2024-11-23 23:46:16,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:46:17,013 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:46:17,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17 WrapperNode [2024-11-23 23:46:17,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:46:17,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:46:17,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:46:17,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:46:17,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:17,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:17,394 INFO L138 Inliner]: procedures = 235, calls = 1628, calls flagged for inlining = 116, calls inlined = 113, statements flattened = 5212 [2024-11-23 23:46:17,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:46:17,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:46:17,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:46:17,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:46:17,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:17,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:17,462 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,384 INFO L175 MemorySlicer]: Split 1005 memory accesses to 19 slices as follows [2, 5, 4, 2, 5, 5, 4, 832, 5, 56, 4, 3, 5, 43, 5, 4, 13, 3, 5]. 83 percent of accesses are in the largest equivalence class. The 63 initializations are split as follows [2, 5, 0, 0, 5, 0, 0, 17, 5, 0, 4, 3, 5, 0, 5, 4, 0, 3, 5]. The 477 writes are split as follows [0, 0, 1, 1, 0, 3, 3, 365, 0, 56, 0, 0, 0, 43, 0, 0, 5, 0, 0]. [2024-11-23 23:46:18,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:46:18,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:46:18,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:46:18,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:46:18,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (1/1) ... [2024-11-23 23:46:18,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:46:18,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:46:18,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:46:18,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:46:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2024-11-23 23:46:18,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2024-11-23 23:46:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 23:46:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 23:46:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 23:46:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 23:46:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 23:46:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 23:46:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 23:46:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 23:46:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 23:46:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:46:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 23:46:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 23:46:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-23 23:46:18,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-23 23:46:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:46:18,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:46:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 23:46:18,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 23:46:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-23 23:46:18,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-23 23:46:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2024-11-23 23:46:18,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2024-11-23 23:46:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-23 23:46:18,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-23 23:46:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-23 23:46:18,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-23 23:46:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-23 23:46:18,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-23 23:46:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:46:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:46:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2024-11-23 23:46:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2024-11-23 23:46:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:46:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:46:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2024-11-23 23:46:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2024-11-23 23:46:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-23 23:46:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-23 23:46:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-23 23:46:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-23 23:46:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-23 23:46:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-23 23:46:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-23 23:46:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-23 23:46:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-23 23:46:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-23 23:46:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 23:46:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 23:46:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 23:46:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 23:46:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-23 23:46:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-23 23:46:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-23 23:46:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-23 23:46:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-23 23:46:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-23 23:46:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 23:46:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 23:46:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 23:46:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 23:46:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 23:46:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 23:46:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 23:46:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 23:46:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 23:46:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 23:46:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 23:46:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-23 23:46:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-23 23:46:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-23 23:46:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-23 23:46:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-23 23:46:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-23 23:46:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-23 23:46:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-23 23:46:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:46:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:46:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-23 23:46:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-23 23:46:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-23 23:46:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-23 23:46:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-23 23:46:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-23 23:46:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-23 23:46:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-23 23:46:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2024-11-23 23:46:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2024-11-23 23:46:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2024-11-23 23:46:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2024-11-23 23:46:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-11-23 23:46:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-11-23 23:46:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:46:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-23 23:46:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-23 23:46:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:46:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:46:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:46:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:46:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:46:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:46:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:46:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 23:46:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 23:46:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-23 23:46:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-23 23:46:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-23 23:46:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-23 23:46:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-23 23:46:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-23 23:46:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-23 23:46:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-23 23:46:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-23 23:46:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-23 23:46:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 23:46:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 23:46:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-23 23:46:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-23 23:46:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2024-11-23 23:46:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2024-11-23 23:46:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:46:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:46:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:46:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2024-11-23 23:46:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2024-11-23 23:46:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-23 23:46:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-23 23:46:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-23 23:46:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2024-11-23 23:46:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2024-11-23 23:46:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-23 23:46:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2024-11-23 23:46:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 23:46:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 23:46:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 23:46:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 23:46:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 23:46:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 23:46:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 23:46:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-23 23:46:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-11-23 23:46:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2024-11-23 23:46:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2024-11-23 23:46:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:46:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2024-11-23 23:46:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:46:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:46:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:46:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:46:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:46:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2024-11-23 23:46:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2024-11-23 23:46:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-23 23:46:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-23 23:46:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-23 23:46:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-23 23:46:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-23 23:46:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-23 23:46:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2024-11-23 23:46:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2024-11-23 23:46:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-23 23:46:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-23 23:46:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2024-11-23 23:46:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2024-11-23 23:46:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:46:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:46:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:46:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:46:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-23 23:46:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-23 23:46:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2024-11-23 23:46:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2024-11-23 23:46:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-23 23:46:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2024-11-23 23:46:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2024-11-23 23:46:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-23 23:46:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:46:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:46:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 23:46:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 23:46:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-23 23:46:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-23 23:46:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-23 23:46:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-23 23:46:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-23 23:46:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-23 23:46:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2024-11-23 23:46:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2024-11-23 23:46:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2024-11-23 23:46:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2024-11-23 23:46:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-23 23:46:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2024-11-23 23:46:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-23 23:46:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-23 23:46:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-23 23:46:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:46:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 23:46:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:46:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:46:20,080 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:46:20,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:46:20,122 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:46:37,637 INFO L? ?]: Removed 1862 outVars from TransFormulas that were not future-live. [2024-11-23 23:46:37,638 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:46:37,722 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:46:37,723 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:46:37,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:46:37 BoogieIcfgContainer [2024-11-23 23:46:37,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:46:37,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:46:37,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:46:37,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:46:37,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:46:13" (1/3) ... [2024-11-23 23:46:37,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57edbde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:46:37, skipping insertion in model container [2024-11-23 23:46:37,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:17" (2/3) ... [2024-11-23 23:46:37,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57edbde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:46:37, skipping insertion in model container [2024-11-23 23:46:37,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:46:37" (3/3) ... [2024-11-23 23:46:37,739 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2024-11-23 23:46:37,765 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:46:37,768 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i that has 92 procedures, 2018 locations, 1 initial locations, 21 loop locations, and 1 error locations. [2024-11-23 23:46:37,926 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:46:37,940 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;@131792eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:46:37,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:46:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 1949 states, 1505 states have (on average 1.412624584717608) internal successors, (2126), 1531 states have internal predecessors, (2126), 369 states have call successors, (369), 74 states have call predecessors, (369), 73 states have return successors, (362), 356 states have call predecessors, (362), 362 states have call successors, (362) [2024-11-23 23:46:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 23:46:37,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:37,997 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 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, 1, 1, 1] [2024-11-23 23:46:38,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:38,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1192638417, now seen corresponding path program 1 times [2024-11-23 23:46:38,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:38,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108594967] [2024-11-23 23:46:38,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:38,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-23 23:46:49,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:49,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108594967] [2024-11-23 23:46:49,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108594967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:46:49,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035295676] [2024-11-23 23:46:49,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:49,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:49,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:46:49,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:46:49,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:47:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:00,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 3649 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:47:00,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:47:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-23 23:47:00,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:47:00,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035295676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:00,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:47:00,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:47:00,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743496673] [2024-11-23 23:47:00,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:00,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:47:00,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:00,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:47:00,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:47:00,422 INFO L87 Difference]: Start difference. First operand has 1949 states, 1505 states have (on average 1.412624584717608) internal successors, (2126), 1531 states have internal predecessors, (2126), 369 states have call successors, (369), 74 states have call predecessors, (369), 73 states have return successors, (362), 356 states have call predecessors, (362), 362 states have call successors, (362) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:47:00,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:00,713 INFO L93 Difference]: Finished difference Result 3893 states and 5801 transitions. [2024-11-23 23:47:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:47:00,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2024-11-23 23:47:00,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:00,748 INFO L225 Difference]: With dead ends: 3893 [2024-11-23 23:47:00,748 INFO L226 Difference]: Without dead ends: 1925 [2024-11-23 23:47:00,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:47:00,773 INFO L435 NwaCegarLoop]: 2812 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2812 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:00,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2024-11-23 23:47:00,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1925. [2024-11-23 23:47:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1491 states have (on average 1.379610999329309) internal successors, (2057), 1508 states have internal predecessors, (2057), 361 states have call successors, (361), 73 states have call predecessors, (361), 72 states have return successors, (360), 354 states have call predecessors, (360), 360 states have call successors, (360) [2024-11-23 23:47:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2778 transitions. [2024-11-23 23:47:01,013 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2778 transitions. Word has length 166 [2024-11-23 23:47:01,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:01,015 INFO L471 AbstractCegarLoop]: Abstraction has 1925 states and 2778 transitions. [2024-11-23 23:47:01,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:47:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2778 transitions. [2024-11-23 23:47:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 23:47:01,038 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:01,038 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2024-11-23 23:47:01,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:47:01,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:47:01,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:47:01,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:01,240 INFO L85 PathProgramCache]: Analyzing trace with hash 348443958, now seen corresponding path program 1 times [2024-11-23 23:47:01,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:01,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795638663] [2024-11-23 23:47:01,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:47:11,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:11,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795638663] [2024-11-23 23:47:11,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795638663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:11,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:11,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:47:11,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409001467] [2024-11-23 23:47:11,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:11,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:47:11,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:11,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:47:11,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:47:11,443 INFO L87 Difference]: Start difference. First operand 1925 states and 2778 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:47:12,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:12,202 INFO L93 Difference]: Finished difference Result 5730 states and 8275 transitions. [2024-11-23 23:47:12,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:47:12,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 153 [2024-11-23 23:47:12,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:12,240 INFO L225 Difference]: With dead ends: 5730 [2024-11-23 23:47:12,240 INFO L226 Difference]: Without dead ends: 3829 [2024-11-23 23:47:12,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:47:12,252 INFO L435 NwaCegarLoop]: 2792 mSDtfsCounter, 2753 mSDsluCounter, 8314 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 11106 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:12,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 11106 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:47:12,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3829 states. [2024-11-23 23:47:12,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3829 to 3820. [2024-11-23 23:47:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3820 states, 2962 states have (on average 1.3801485482781903) internal successors, (4088), 3000 states have internal predecessors, (4088), 714 states have call successors, (714), 144 states have call predecessors, (714), 143 states have return successors, (713), 697 states have call predecessors, (713), 713 states have call successors, (713) [2024-11-23 23:47:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 5515 transitions. [2024-11-23 23:47:12,512 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 5515 transitions. Word has length 153 [2024-11-23 23:47:12,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:12,513 INFO L471 AbstractCegarLoop]: Abstraction has 3820 states and 5515 transitions. [2024-11-23 23:47:12,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:47:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 5515 transitions. [2024-11-23 23:47:12,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 23:47:12,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:12,528 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2024-11-23 23:47:12,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:47:12,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:47:12,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:12,529 INFO L85 PathProgramCache]: Analyzing trace with hash -816220493, now seen corresponding path program 1 times [2024-11-23 23:47:12,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:12,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196183195] [2024-11-23 23:47:12,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:12,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:47:20,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:20,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196183195] [2024-11-23 23:47:20,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196183195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:20,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:20,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:47:20,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54169011] [2024-11-23 23:47:20,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:20,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:47:20,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:20,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:47:20,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:47:20,993 INFO L87 Difference]: Start difference. First operand 3820 states and 5515 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:47:21,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:21,810 INFO L93 Difference]: Finished difference Result 11424 states and 16497 transitions. [2024-11-23 23:47:21,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:47:21,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 154 [2024-11-23 23:47:21,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:21,870 INFO L225 Difference]: With dead ends: 11424 [2024-11-23 23:47:21,870 INFO L226 Difference]: Without dead ends: 7628 [2024-11-23 23:47:21,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:47:21,899 INFO L435 NwaCegarLoop]: 3341 mSDtfsCounter, 2754 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 12752 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:21,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 12752 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:47:21,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7628 states. [2024-11-23 23:47:22,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7628 to 7615. [2024-11-23 23:47:22,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7615 states, 5910 states have (on average 1.3800338409475466) internal successors, (8156), 5985 states have internal predecessors, (8156), 1419 states have call successors, (1419), 286 states have call predecessors, (1419), 285 states have return successors, (1418), 1387 states have call predecessors, (1418), 1418 states have call successors, (1418) [2024-11-23 23:47:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7615 states to 7615 states and 10993 transitions. [2024-11-23 23:47:22,372 INFO L78 Accepts]: Start accepts. Automaton has 7615 states and 10993 transitions. Word has length 154 [2024-11-23 23:47:22,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:22,373 INFO L471 AbstractCegarLoop]: Abstraction has 7615 states and 10993 transitions. [2024-11-23 23:47:22,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:47:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 7615 states and 10993 transitions. [2024-11-23 23:47:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-23 23:47:22,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:22,385 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 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, 1] [2024-11-23 23:47:22,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:47:22,385 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:47:22,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:22,386 INFO L85 PathProgramCache]: Analyzing trace with hash -938038795, now seen corresponding path program 1 times [2024-11-23 23:47:22,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:22,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224999431] [2024-11-23 23:47:22,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:22,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-23 23:47:30,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:30,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224999431] [2024-11-23 23:47:30,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224999431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:30,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:30,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:30,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250122891] [2024-11-23 23:47:30,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:30,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:30,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:30,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:30,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:30,232 INFO L87 Difference]: Start difference. First operand 7615 states and 10993 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:47:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:31,342 INFO L93 Difference]: Finished difference Result 21723 states and 31348 transitions. [2024-11-23 23:47:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:31,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 164 [2024-11-23 23:47:31,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:31,472 INFO L225 Difference]: With dead ends: 21723 [2024-11-23 23:47:31,472 INFO L226 Difference]: Without dead ends: 14132 [2024-11-23 23:47:31,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:31,520 INFO L435 NwaCegarLoop]: 2852 mSDtfsCounter, 2383 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 5520 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:31,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2383 Valid, 5520 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:47:31,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14132 states. [2024-11-23 23:47:32,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14132 to 14109. [2024-11-23 23:47:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14109 states, 10998 states have (on average 1.3820694671758502) internal successors, (15200), 11128 states have internal predecessors, (15200), 2570 states have call successors, (2570), 541 states have call predecessors, (2570), 540 states have return successors, (2585), 2515 states have call predecessors, (2585), 2569 states have call successors, (2585) [2024-11-23 23:47:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14109 states to 14109 states and 20355 transitions. [2024-11-23 23:47:32,270 INFO L78 Accepts]: Start accepts. Automaton has 14109 states and 20355 transitions. Word has length 164 [2024-11-23 23:47:32,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:32,271 INFO L471 AbstractCegarLoop]: Abstraction has 14109 states and 20355 transitions. [2024-11-23 23:47:32,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:47:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 14109 states and 20355 transitions. [2024-11-23 23:47:32,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-23 23:47:32,278 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:32,278 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2024-11-23 23:47:32,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:47:32,279 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:47:32,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:32,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1495820493, now seen corresponding path program 1 times [2024-11-23 23:47:32,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:32,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672794582] [2024-11-23 23:47:32,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:47:40,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672794582] [2024-11-23 23:47:40,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672794582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:40,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:40,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:47:40,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443138310] [2024-11-23 23:47:40,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:40,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:47:40,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:40,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:47:40,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:47:40,398 INFO L87 Difference]: Start difference. First operand 14109 states and 20355 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:47:41,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:41,700 INFO L93 Difference]: Finished difference Result 42334 states and 61067 transitions. [2024-11-23 23:47:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:47:41,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 155 [2024-11-23 23:47:41,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:41,897 INFO L225 Difference]: With dead ends: 42334 [2024-11-23 23:47:41,897 INFO L226 Difference]: Without dead ends: 28249 [2024-11-23 23:47:41,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:47:41,977 INFO L435 NwaCegarLoop]: 2775 mSDtfsCounter, 2755 mSDsluCounter, 8279 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 11054 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:41,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2756 Valid, 11054 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:47:42,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28249 states. [2024-11-23 23:47:43,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28249 to 28206. [2024-11-23 23:47:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28206 states, 21995 states have (on average 1.3817685837690383) internal successors, (30392), 22251 states have internal predecessors, (30392), 5128 states have call successors, (5128), 1083 states have call predecessors, (5128), 1082 states have return successors, (5159), 5023 states have call predecessors, (5159), 5127 states have call successors, (5159) [2024-11-23 23:47:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28206 states to 28206 states and 40679 transitions. [2024-11-23 23:47:43,534 INFO L78 Accepts]: Start accepts. Automaton has 28206 states and 40679 transitions. Word has length 155 [2024-11-23 23:47:43,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:43,535 INFO L471 AbstractCegarLoop]: Abstraction has 28206 states and 40679 transitions. [2024-11-23 23:47:43,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:47:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 28206 states and 40679 transitions. [2024-11-23 23:47:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-23 23:47:43,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:43,548 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2024-11-23 23:47:43,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:47:43,548 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:47:43,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:43,549 INFO L85 PathProgramCache]: Analyzing trace with hash -23324400, now seen corresponding path program 1 times [2024-11-23 23:47:43,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:43,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788881717] [2024-11-23 23:47:43,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:43,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:47:52,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:52,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788881717] [2024-11-23 23:47:52,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788881717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:52,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:52,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:47:52,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707700105] [2024-11-23 23:47:52,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:52,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:47:52,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:52,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:47:52,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:47:52,874 INFO L87 Difference]: Start difference. First operand 28206 states and 40679 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:47:55,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:55,260 INFO L93 Difference]: Finished difference Result 84448 states and 121756 transitions. [2024-11-23 23:47:55,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:47:55,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 156 [2024-11-23 23:47:55,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:55,704 INFO L225 Difference]: With dead ends: 84448 [2024-11-23 23:47:55,705 INFO L226 Difference]: Without dead ends: 56266 [2024-11-23 23:47:55,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:47:55,810 INFO L435 NwaCegarLoop]: 2775 mSDtfsCounter, 2756 mSDsluCounter, 8279 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2757 SdHoareTripleChecker+Valid, 11054 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:55,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2757 Valid, 11054 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:47:55,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56266 states. [2024-11-23 23:47:58,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56266 to 56185. [2024-11-23 23:47:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56185 states, 43815 states have (on average 1.3811023622047245) internal successors, (60513), 44317 states have internal predecessors, (60513), 10205 states have call successors, (10205), 2165 states have call predecessors, (10205), 2164 states have return successors, (10268), 10004 states have call predecessors, (10268), 10204 states have call successors, (10268) [2024-11-23 23:47:59,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56185 states to 56185 states and 80986 transitions. [2024-11-23 23:47:59,244 INFO L78 Accepts]: Start accepts. Automaton has 56185 states and 80986 transitions. Word has length 156 [2024-11-23 23:47:59,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:59,245 INFO L471 AbstractCegarLoop]: Abstraction has 56185 states and 80986 transitions. [2024-11-23 23:47:59,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:47:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 56185 states and 80986 transitions. [2024-11-23 23:47:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 23:47:59,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:59,255 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 23:47:59,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:47:59,255 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:47:59,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:59,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1240814905, now seen corresponding path program 1 times [2024-11-23 23:47:59,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:59,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080359532] [2024-11-23 23:47:59,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:59,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-23 23:48:09,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:09,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080359532] [2024-11-23 23:48:09,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080359532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:48:09,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073802774] [2024-11-23 23:48:09,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:09,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:48:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:48:09,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:48:09,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:48:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:19,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 3685 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:48:19,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:48:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-23 23:48:19,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:48:19,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073802774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:19,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:48:19,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-23 23:48:19,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393591313] [2024-11-23 23:48:19,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:19,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:48:19,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:19,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:48:19,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:48:19,440 INFO L87 Difference]: Start difference. First operand 56185 states and 80986 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, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:48:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:20,355 INFO L93 Difference]: Finished difference Result 56220 states and 81052 transitions. [2024-11-23 23:48:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:48:20,356 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, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 166 [2024-11-23 23:48:20,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:20,649 INFO L225 Difference]: With dead ends: 56220 [2024-11-23 23:48:20,649 INFO L226 Difference]: Without dead ends: 56217 [2024-11-23 23:48:20,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:48:20,691 INFO L435 NwaCegarLoop]: 2777 mSDtfsCounter, 0 mSDsluCounter, 2772 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5549 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:20,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5549 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:48:20,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56217 states. [2024-11-23 23:48:22,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56217 to 56217. [2024-11-23 23:48:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56217 states, 43847 states have (on average 1.3808242297078477) internal successors, (60545), 44349 states have internal predecessors, (60545), 10205 states have call successors, (10205), 2165 states have call predecessors, (10205), 2164 states have return successors, (10268), 10004 states have call predecessors, (10268), 10204 states have call successors, (10268) [2024-11-23 23:48:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56217 states to 56217 states and 81018 transitions. [2024-11-23 23:48:23,313 INFO L78 Accepts]: Start accepts. Automaton has 56217 states and 81018 transitions. Word has length 166 [2024-11-23 23:48:23,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:23,315 INFO L471 AbstractCegarLoop]: Abstraction has 56217 states and 81018 transitions. [2024-11-23 23:48:23,315 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, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:48:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 56217 states and 81018 transitions. [2024-11-23 23:48:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-23 23:48:23,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:23,326 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 23:48:23,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:48:23,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-23 23:48:23,527 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:48:23,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:23,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1029005228, now seen corresponding path program 1 times [2024-11-23 23:48:23,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:23,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260193668] [2024-11-23 23:48:23,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:23,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-23 23:48:35,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:35,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260193668] [2024-11-23 23:48:35,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260193668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:48:35,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296466595] [2024-11-23 23:48:35,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:35,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:48:35,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:48:35,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:48:35,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:48:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:45,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 3690 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:48:45,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:48:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:48:46,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:48:46,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296466595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:46,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:48:46,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-23 23:48:46,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437986141] [2024-11-23 23:48:46,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:46,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:48:46,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:46,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:48:46,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:48:46,842 INFO L87 Difference]: Start difference. First operand 56217 states and 81018 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, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:48:50,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:50,311 INFO L93 Difference]: Finished difference Result 140755 states and 202802 transitions. [2024-11-23 23:48:50,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:48:50,312 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, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 168 [2024-11-23 23:48:50,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:51,018 INFO L225 Difference]: With dead ends: 140755 [2024-11-23 23:48:51,018 INFO L226 Difference]: Without dead ends: 84562 [2024-11-23 23:48:51,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:48:51,437 INFO L435 NwaCegarLoop]: 3678 mSDtfsCounter, 2790 mSDsluCounter, 17449 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 21127 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:51,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2794 Valid, 21127 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:48:51,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84562 states. [2024-11-23 23:48:54,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84562 to 84267. [2024-11-23 23:48:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84267 states, 65738 states have (on average 1.381012504183273) internal successors, (90785), 66510 states have internal predecessors, (90785), 15274 states have call successors, (15274), 3239 states have call predecessors, (15274), 3254 states have return successors, (15409), 14969 states have call predecessors, (15409), 15273 states have call successors, (15409) [2024-11-23 23:48:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84267 states to 84267 states and 121468 transitions. [2024-11-23 23:48:55,745 INFO L78 Accepts]: Start accepts. Automaton has 84267 states and 121468 transitions. Word has length 168 [2024-11-23 23:48:55,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:55,751 INFO L471 AbstractCegarLoop]: Abstraction has 84267 states and 121468 transitions. [2024-11-23 23:48:55,751 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, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:48:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 84267 states and 121468 transitions. [2024-11-23 23:48:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:48:55,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:55,769 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:48:55,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:48:55,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:48:55,977 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:48:55,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:55,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1834419670, now seen corresponding path program 1 times [2024-11-23 23:48:55,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:55,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715855566] [2024-11-23 23:48:55,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:55,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:49:09,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:09,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715855566] [2024-11-23 23:49:09,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715855566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:49:09,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248872216] [2024-11-23 23:49:09,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:09,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:49:09,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:49:09,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:49:09,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:49:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:22,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 3692 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:49:22,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:49:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:49:23,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:49:23,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248872216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:23,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:49:23,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-23 23:49:23,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101205865] [2024-11-23 23:49:23,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:23,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:49:23,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:23,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:49:23,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:49:23,254 INFO L87 Difference]: Start difference. First operand 84267 states and 121468 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:49:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:28,822 INFO L93 Difference]: Finished difference Result 196961 states and 283794 transitions. [2024-11-23 23:49:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:49:28,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 169 [2024-11-23 23:49:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:30,256 INFO L225 Difference]: With dead ends: 196961 [2024-11-23 23:49:30,256 INFO L226 Difference]: Without dead ends: 112718 [2024-11-23 23:49:30,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:49:30,674 INFO L435 NwaCegarLoop]: 3708 mSDtfsCounter, 2790 mSDsluCounter, 17557 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 21265 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:49:30,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2794 Valid, 21265 Invalid, 83 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:49:30,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112718 states. [2024-11-23 23:49:39,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112718 to 112381. [2024-11-23 23:49:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112381 states, 87669 states have (on average 1.3809328268829346) internal successors, (121065), 88743 states have internal predecessors, (121065), 20343 states have call successors, (20343), 4313 states have call predecessors, (20343), 4368 states have return successors, (20574), 19926 states have call predecessors, (20574), 20342 states have call successors, (20574) [2024-11-23 23:49:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112381 states to 112381 states and 161982 transitions. [2024-11-23 23:49:41,229 INFO L78 Accepts]: Start accepts. Automaton has 112381 states and 161982 transitions. Word has length 169 [2024-11-23 23:49:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:41,232 INFO L471 AbstractCegarLoop]: Abstraction has 112381 states and 161982 transitions. [2024-11-23 23:49:41,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:49:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 112381 states and 161982 transitions. [2024-11-23 23:49:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-23 23:49:41,267 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:41,267 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 23:49:41,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:49:41,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:49:41,473 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:49:41,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:41,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1035652933, now seen corresponding path program 1 times [2024-11-23 23:49:41,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:41,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452649834] [2024-11-23 23:49:41,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:41,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:49:55,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:55,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452649834] [2024-11-23 23:49:55,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452649834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:49:55,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894287024] [2024-11-23 23:49:55,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:55,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:49:55,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:49:55,018 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:49:55,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:50:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:06,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 3694 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:50:06,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:50:07,326 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:50:07,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894287024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:07,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:50:07,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-23 23:50:07,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271071555] [2024-11-23 23:50:07,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:07,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:50:07,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:07,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:50:07,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:50:07,328 INFO L87 Difference]: Start difference. First operand 112381 states and 161982 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:50:12,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:12,362 INFO L93 Difference]: Finished difference Result 253167 states and 364786 transitions. [2024-11-23 23:50:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:12,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 170 [2024-11-23 23:50:12,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:13,262 INFO L225 Difference]: With dead ends: 253167 [2024-11-23 23:50:13,262 INFO L226 Difference]: Without dead ends: 140810 [2024-11-23 23:50:13,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:50:13,981 INFO L435 NwaCegarLoop]: 3705 mSDtfsCounter, 2790 mSDsluCounter, 17545 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 21250 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:13,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2794 Valid, 21250 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:50:14,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140810 states. [2024-11-23 23:50:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140810 to 112425. [2024-11-23 23:50:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112425 states, 87701 states have (on average 1.3807938335936876) internal successors, (121097), 88779 states have internal predecessors, (121097), 20343 states have call successors, (20343), 4313 states have call predecessors, (20343), 4380 states have return successors, (20592), 19934 states have call predecessors, (20592), 20342 states have call successors, (20592) [2024-11-23 23:50:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112425 states to 112425 states and 162032 transitions. [2024-11-23 23:50:19,803 INFO L78 Accepts]: Start accepts. Automaton has 112425 states and 162032 transitions. Word has length 170 [2024-11-23 23:50:19,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:19,804 INFO L471 AbstractCegarLoop]: Abstraction has 112425 states and 162032 transitions. [2024-11-23 23:50:19,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:50:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 112425 states and 162032 transitions. [2024-11-23 23:50:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-23 23:50:19,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:19,820 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:19,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:50:20,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 23:50:20,021 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:50:20,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:20,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1255521635, now seen corresponding path program 1 times [2024-11-23 23:50:20,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:20,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397373105] [2024-11-23 23:50:20,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:20,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:50:31,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397373105] [2024-11-23 23:50:31,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397373105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223771803] [2024-11-23 23:50:31,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:31,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:31,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:31,386 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:31,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f10dc03-2079-4295-bc6a-644421750136/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:50:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:42,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 3696 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:50:42,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-23 23:50:43,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:50:43,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223771803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:43,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:50:43,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-23 23:50:43,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096091184] [2024-11-23 23:50:43,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:43,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:50:43,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:43,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:50:43,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:50:43,440 INFO L87 Difference]: Start difference. First operand 112425 states and 162032 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:50:47,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:47,440 INFO L93 Difference]: Finished difference Result 253227 states and 364852 transitions. [2024-11-23 23:50:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:47,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2024-11-23 23:50:47,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:48,629 INFO L225 Difference]: With dead ends: 253227 [2024-11-23 23:50:48,630 INFO L226 Difference]: Without dead ends: 140826 [2024-11-23 23:50:48,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:50:48,940 INFO L435 NwaCegarLoop]: 3705 mSDtfsCounter, 2790 mSDsluCounter, 17545 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 21250 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:48,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2794 Valid, 21250 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:50:49,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140826 states.